Journal articles: 'Wood based material'

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Susanto, Dalhar, and Widyarko Widyarko. "Sustainable Material : Used Wood As Building Material." INSIST 2, no. 1 (April 1, 2017): 14. http://dx.doi.org/10.23960/ins.v2i1.26.

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Abstract–Wood consumption as building material and component in Indonesia is still considerably high. This affects forest destruction, in a way that most of the wood production still roots from wood forests. Hence, the demand of these woods better be supplied from other source, one of them is through using used woods. Used wood utilization in building construction is an application of reuse and recycle strategy in sustainable material concept. Due to the assumption among the people that used woods have low performance its utilization is nowadays limited. This paper addresses the result of research and laboratory test on a range of used wood samples collected from Jakarta great area (Jabodetabek), consist of 5 technical parameters: water content, density, compressive strength, flexure strength, and tension strength. The research proves that based on certain parameters, used woods perfom technical capacity as good as – or even better than – newly produced woods.Keyword – sustainable, material, used wood

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Fridley, Kenneth J. "Wood and Wood-Based Materials: Current Status and Future of a Structural Material." Journal of Materials in Civil Engineering 14, no. 2 (April 2002): 91–96. http://dx.doi.org/10.1061/(asce)0899-1561(2002)14:2(91).

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Feng, Hai Lin, Yi Ming Fang, Jian Li, and Guang Hui Li. "Using Stress Wave Based Technology for Wood Material Nondestructive Testing." Advanced Materials Research 143-144 (October 2010): 265–70. http://dx.doi.org/10.4028/www.scientific.net/amr.143-144.265.

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Stress wave based technology has its special advantages in the field of wood nondestructive testing and quality evaluation. To analysis the propagating properties of stress wave in the wood material, a transmitting model in anisotropic material was introduced in rectangular and cylindrical polar coordinate system. The relationship between stress wave propagation and elastic constants was shown. The propagating of stress wave in wood material and the possible solutions with different parameters were studied. The transmitting character of stress wave in symmetry planes was analyzed, and the elastic constants of woods were used to compute the stress wave propagation in wood material.

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KANAYAMA, Kozo. "Flow Deformation of Wood-Based Material." Journal of the Society of Materials Science, Japan 65, no. 12 (2016): 892. http://dx.doi.org/10.2472/jsms.65.892.

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KANAYAMA, Kozo. "Flow Deformation for Wood-based Material." Journal of The Adhesion Society of Japan 52, no. 9 (September 1, 2016): 276–80. http://dx.doi.org/10.11618/adhesion.52.276.

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Kaufhold, Julia, Johannes Kohl, Venkatesh Naidu Nerella, Christof Schroefl, Christoph Wenderdel, Paul Blankenstein, and Viktor Mechtcherine. "Wood-based support material for extrusion-based digital construction." Rapid Prototyping Journal 25, no. 4 (May 13, 2019): 690–98. http://dx.doi.org/10.1108/rpj-04-2018-0109.

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Purpose Extrusion-based digital construction (DC) approaches make it feasible to overcome constraints of conventional construction, namely, high formwork costs, long total construction times, low productivity and geometrical inflexibility. However, to date, no satisfactory solutions for extruding strongly inclined and horizontal elements are available. A wood-starch-composite has been systematically developed as a sustainable support material (SM) for extrusion-based DC. Design/methodology/approach Material and process-specific requirements were identified for this purpose, and a feasible process chain was developed. A parametric study was conducted to determine the influence of SM composition on its extrusion feasibility and compressive strength. Various compositions with two starch types and two wood particle shapes were tested. New, specific testing methods were developed. Selected compositions were tested using a 3D-printing device to verify extrudability and form stability. Findings Relationships between material compositions of SM and its rheological and mechanical properties were identified. All mixtures showed sufficient compressive strength in respect of the loading conditions analysed. However, their flow properties varied significantly. A mixture of native maize starch and wood floor was identified as the best variant (compressive strength 2.3 MPa). Research limitations/implications Comprehensive investigations of possible process chains, as well as full-scale demonstration and optimisation of the process parameters, were not in the scope of this paper. Such investigations are intended in further studies. Practical implications The general applicability of wood-based SM for DC with cement-based construction materials was proved. Originality/value The findings offer a novel and promising solution for 3D-printing of non-vertical concrete elements. Experimental setup and material compositions are detailed to ensure reproducibility.

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Li, Yong Feng, Yi Xing Liu, Yun Lin Fu, Qing Lin Wu, and Xiang Ming Wang. "Durability Improvement of Bio-Based Material by Polymer." Materials Science Forum 675-677 (February 2011): 495–98. http://dx.doi.org/10.4028/www.scientific.net/msf.675-677.495.

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Bio-based materials such as wood, bamboo, bio-straw material are vulnerable to degradation by microorganisms and susceptible to change in dimension under humidity, which greatly reduced their service life. In this study, a novel thought was inspired from the unique porous structure of bio-based material that durability of wood may be capable of being improved by generating polymer in situ the special structure. Maleic anhydride (Man) and Styrene (St) were used to penetrate into wood for further copolymerization. SEM observation shows that polymer filled in wood porous structure and tightly contacted wood matrix (i.e. biopolymers), indicating strong interaction between them. FTIR analysis indicates that polymer chemically grafted onto wood matrix by reaction of anhydride group and hydroxyl group. As the amount of hydroxyl groups greatly reduced for their reacting with polymer, the dimensional stability of wood immersing in water was improved; and as the reaction of wood with polymer, the biopolymers were wrapped by resultant polymer, preventing the sample from attack of microorganisms, thus decay resistance of treated wood against microorganisms was greatly improved. Both of them contributed to the improvement of wood durability.

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Safin, Ruslan R., Lilia Vakifovna Akhunova, Aigul Ravilevna Shaikhutdinova, and Radis Reshidovich Ziatdinov. "The Study of Wood-Based Composites Based on Biodegradable Polymer." Key Engineering Materials 706 (August 2016): 78–81. http://dx.doi.org/10.4028/www.scientific.net/kem.706.78.

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The article presents the wood composite materials based on biodegradable component of polyvinyl acetate with the filler in a form of wood flour of pine trees of two types: unmodified and thermally modified pine. The sorption properties of composite of both species, namely the ability of a material to absorb moisture depending on the quantity and nature of wood filler were studied. The strength characteristics of composite materials with non-modified and modified wood fillers were investigated and revealed. The research of the loss of relative weight of both types of composite materials while standing in soil was conducted.The expediency of preliminary heat treatment of wood filler on politely if necessary some increase in biostability of the composite is found.

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Saidin, Wahab, Abdullah Wagiman, and Mustaffa Ibrahim. "Development of Wood-Based Composites Material for 3D Printing Process." Applied Mechanics and Materials 315 (April 2013): 987–91. http://dx.doi.org/10.4028/www.scientific.net/amm.315.987.

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This paper presents the development of wood-based composites material for 3D Printing process. The aim is to characterize the waste material from wood powder (WD) as an alternative material and low cost production for rapid prototyping product. The powder blends containing wood powder (90-120µm) with commercial ZP102 material from Z Corporation was used as the composite material. The materials were mechanically blended to produce composition of WD/ZP102(vol.%) 25:70, 50:50 and 75:25 respectively. The material was successfully processed on 3D printers machine, to produce three-dimensional components and followed by post-treatment with ZMax solution to enhance the mechanical properties. The mechanical properties, dimensional accuracy and surface quality of the components were evaluated and the results were compared with the standard ZP102 material. The result shows that the mechanical properties improved with the increased of wood powder content up to 50 (vol.%). However, dimensional accuracy and surface quality were decreased as the wood content increased. Further work on powder preparation is continued for surface quality improvement.

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Štefko, Jozef, and Jozef Bednár. "Wood Based Building Envelope Regarding Air Tightness." Key Engineering Materials 688 (April 2016): 160–66. http://dx.doi.org/10.4028/www.scientific.net/kem.688.160.

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The paper deals with laboratory air tightness testing of wood based construction materials with the focus on the proportion of air infiltration through the building envelope in the air exchange of the building. Results of the specific materials testing – cross laminated timber (CLT), OSB and other structural materials are analysed in the paper. Moreover, the effect of production technology, material, its thickness and surface treatment are studied. Results of laboratory testing provide valuable data for detailed computer modelling of air exchange through the infiltration, especially in vapour diffusion-open elements of building envelope.

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Jetsu, Petri, Markku Vilkki, and Ismo Tiihonen. "Utilization of demolition wood and mineral wool wastes in wood-plastic composites." Detritus, no. 10 (March 5, 2020): 19–25. http://dx.doi.org/10.31025/2611-4135/2020.13916.

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Wood and mineral wool fractions from demolished buildings were sorted into different categories and processed to the suitable grain size needed for the manufacturing of wood-plastic composites. Processed construction and demolition waste materials mixed with plastics and additives were extruded into hollow test bars using a conical rotary extruder. Test specimens needed for measurements were cut from test bars. The results showed that the mechanical performance of wood-plastic composites based on construction and demolition waste wood, and mineral wool was at a good level and comparable to commonly used wood-plastic composites in decking applications. The highest strength properties of wood-plastic composites were achieved with a plywood fraction and the lowest with materials containing a particle/fibre board fraction. The mechanical performance can be improved by utilizing mineral wool in the formulation of wood-plastic composites. A material mixture containing several wood fractions as well as mineral wool also gave good strength properties. Only a minor reduction in strength properties was measured when recycled plastic was utilized meaning that wood-plastic composites suitable for many types of applications can be produced entirely from recycled materials.

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Guo, X. L., P. X. Cao, H. N. Liu, Y. Teng, Y. Guo, and H. Wang. "Tribological Properties of Ceramics Tool Materials in Contact with Wood-Based Materials." Advanced Materials Research 764 (September 2013): 65–69. http://dx.doi.org/10.4028/www.scientific.net/amr.764.65.

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Tribological properties of ceramic cutting tool materials in contact with wood based materials were studied in this paper by examining how Al2O3-ceramics and Si3N4-ceramics behave in dry sliding experiment in contact with wood-based materials and by comparing their behavior with tungsten carbide material at the same time. It had been found that the ceramics exhibited much better tribological properties than tungsten carbide material, and Si3N4-ceramic performed better than Al2O3-ceramics. The Al2O3-ceramics with an addition of ZrO2 had better tribological performance than the common Al2O3-ceramics in contact with wood-based materials. The tungsten carbide had better tribological performance than ceramics in tribological contact with wood flour/PE material. A well-marked difference occurred in various cutting materials/MDF frictional pair, but the differences in various cutting materials/PB frictional pair were insignificant. An increase of the normal force didn’t result in any significant decrease of the friction coefficient. An addition of ZrO2 in the Al2O3-ceramics could inhabit corrosive wear.

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Kawamura, Sayuri, and Qingyue Wang. "Wood-Based Epoxy Resin's Synthesis Using Decayed Woody Material from Mushroom Cultivation." International Journal of Design & Nature and Ecodynamics 15, no. 2 (April 30, 2020): 155–60. http://dx.doi.org/10.18280/ijdne.150203.

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Umemura, Kenji. "Introduction of research on sustainable and environmentally friendly wood-based materials." Impact 2020, no. 4 (October 14, 2020): 73–75. http://dx.doi.org/10.21820/23987073.2020.4.73.

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Wood-based materials are used for construction and furniture etc. The demand is expected to increase due to population growth and economic development. Wood-based materials are considered as sustainable material because wood is the main raw material. However, adhesives are indispensable when manufacturing those, and almost wood adhesives are made from chemicals derived from fossil resources. In recent years, breaking away from dependence on fossil resources has become an important global issue. One of the purposes of this work is to develop bio-based adhesives with simple preparation, low dependence of fossil resources and high adhesiveness. Novel bio-based adhesives using citric acid and/or sucrose are being researched. On the other hand, considering significant decrease of global forest area, alternative raw components for wood-based materials is desperately needed in the future. Un-utilized lignocellulosic biomass such as agricultural wastes would be promising for these. The utilization of agricultural wastes also contributes to carbon fixation of lignocellulosic biomass. Now, researchers at the Laboratory of Sustainable Materials are interested in developing new wood-based materials that combine agricultural wastes with bio-based adhesives. These efforts will make wood-based materials more sustainable and environmentally friendly.

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Nakanishi, Atsushi, and Hironori Takahashi. "Terahertz optical material based on wood-plastic composites." Optical Materials Express 8, no. 12 (November 2, 2018): 3653. http://dx.doi.org/10.1364/ome.8.003653.

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Šejnoha, M., L. Kucíková, J. Vorel, J. Sýkora, and W. P. De wilde. "Effective material properties of wood based on homogenization." International Journal of Computational Methods and Experimental Measurements 7, no. 2 (March 31, 2019): 167–80. http://dx.doi.org/10.2495/cmem-v7-n2-167-180.

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Kidalova, Lucia, Nadežda Števulová, and Anton Geffert. "Study of Cement Composites Properties with Filler Based on Wood Pulp." Advanced Materials Research 897 (February 2014): 165–70. http://dx.doi.org/10.4028/www.scientific.net/amr.897.165.

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Sustainable building materials are based on the use of renewable materials instead of non-renewable. A large group of renewable raw materials are materials of plant origin containing cellulosic fibres which are used as filler into building material with reinforcement function of composite. This study aimed to establish the mechanical and physical properties of cement composites with organic filler, such as wood pulp. Pulp derived from wood pulping process is very interesting material as reinforcement in cement which contributes to a reduction of pollutants. In this paper, utilization of unbleached and bleached wood pulp in combination with cement matrix with emphasis on the physical and mechanical properties is studied. Varying the producing technology (wood pulp and cement ratio in mixture) it is possible to obtain composites with density from 940 to 1260 kg.m-3 and with compressive strength from 1.02 to 5.44 MPa after 28 days of hardening. The experimental results of mechanical properties indicate that cement composites with using unbleached wood pulp reaches higher values than composites based on bleached wood pulp. The percentage of water uptake increased with increasing the volume ratio of unbleached wood pulp in composite.

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Khadykina, E. A., and Z. A. Meretukov. "Composite Material Based on Plant Raw Materials." Materials Science Forum 974 (December 2019): 406–12. http://dx.doi.org/10.4028/www.scientific.net/msf.974.406.

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Modern global trends show the preferred low-rise construction, even in large cities. Lightweight concrete is the most common material for low-rise construction. Existing lightweight concrete with the wood residues addition have several disadvantages due to the properties of the aggregate. In the southern regions of Russia, walnut grows in large quantities. Only a small part of the shell is processed, the rest is buried in the ground or burned. The proposed aggregate from crushed walnut shell has several advantages compared to the traditional natural organic fillers: low water demand and decay, high strength. The nutshell in the composition has sugars, which are the cement poisons, there are no data in the literature on the crushed shell technical characteristics. Thus, it is required to determine the crushed shell technical characteristics, to choose a processing method reducing the water-soluble sugars amount in the shell, to select the lightweight concrete composition, ensuring its optimal characteristics. The new kind of lightweight concrete will have characteristics different from existing analogues.

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Zhang, Ji Juan, and Shao Ming Zhang. "Study on the Manufacturing Technology of Wood-Based Artificial Stone Composite Countertop for Integrated Cabinet." Advanced Materials Research 971-973 (June 2014): 183–86. http://dx.doi.org/10.4028/www.scientific.net/amr.971-973.183.

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Countertop of integrated cabinet is the maximum number of contacts and the highest cost component, its material quality directly determines the final using functions. Artificial stone is an ideal material for the cabinet countertop, in order to solve its high cost, easy to crack and deformation problem, we try to develop a new technology to manufacture wood-based artificial stone composite board, which take particle board as core material and artificial stone as a surface material. Article studied the mechanism of composite materials, analyzed the selection principle of raw material for wood-based artificial stone composite countertop, designed two form structure of wood-based artificial stone composite countertop for integrated cabinet. Studied the process techniques and determined the production technology lines and optimum process parameters. Wood-based artificial stone composite countertop not only saved the usage amount of artificial stone, but also retain its lots of advantages, and improved strength, reduced costs, opening up the application scope of artificial stone materials.

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Dunky, Manfred. "Wood Adhesives Based on Natural Resources: A Critical Review Part I. Protein-Based Adhesives." Reviews of Adhesion and Adhesives 8, no. 3 (September 29, 2020): 199–332. http://dx.doi.org/10.7569/raa.2020.097309.

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This series of critical reviews on Wood Adhesives Based on Natural Resources (in total four parts) describes the experience and actual status of wood adhesives based on natural resources and gives an outlook into the future of these materials. Desite boundless results and papers in the development, purely naturally based wood adhesives are in industrial use only in negligible amounts; therefore this review series also reports on combinations of naturally based adhesives with synthetic components, such as modifiers or crosslinkers.<br/> Part I of this series concentrates on general topics and questions related to wood adhesives based on natural resources, such as systematic overview on the various types of naturally based wood adhesives, including cases where the adhesive is not applied separately but is used in situ, originating from the various components of the wood material. As a first product group, proteins from plants and animal sources and their use as wood adhesives will be described in this Part I.

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Ramasamy, Shamala, Kamarudin Hussin, Mohd Mustafa Al Bakri Abdullah, Che Mohd Ruzaidi Ghazali, Andrei Victor Sandu, Mohammed Binhussain, and Noor Fifinatasha Shahedan. "Adhesiveness of Kaolin Based Coating Material on Lumber Wood." Key Engineering Materials 673 (January 2016): 47–54. http://dx.doi.org/10.4028/www.scientific.net/kem.673.47.

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Kaolin, widely used aluminosilicate source material was added with alkaline activator solution, creating geopolymer coating paste.Optimum design for kaolin based coating using geopolymer technology was studied. The work was to analyses the effect of solid liquid ratio, sodium silicate and sodium chloride ratio and sodium chloride molarity on its adhesive performances on lumber wood substrate. Upon observation, coating with 0.9 solid/liquid ratio, 0.45 sodium silicate/sodium chloride ratio and sodium chloride solution with 6M molarity shows promising adhesive strength. These results were further evident with morphological studies.

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Busser, Thomas, Amandine Piot, Mickael Pailha, Simon Rouchier, and Monika Woloszyn. "Experimental and numerical study of wood-based materials: from material to room scale." Energy Procedia 132 (October 2017): 747–52. http://dx.doi.org/10.1016/j.egypro.2017.10.020.

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Adachi, Koji. "Wood Physics and Wood-based Material Science Leading the Way to Future Manufacturing Technology." Mokuzai Gakkaishi 61, no. 3 (2015): 186–90. http://dx.doi.org/10.2488/jwrs.61.186.

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Adedeji, Y. M. D., and A. A. Taiwo. "Sustainable Building Finishes: Use of Renewable Standardized Wood-Based Material in Nigeria." Advanced Materials Research 587 (November 2012): 134–38. http://dx.doi.org/10.4028/www.scientific.net/amr.587.134.

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This paper reports a research on sustainable building finishes in Nigeria. Because the building industry consumes a substantial percentage of the materials entering the global economy, and is responsible for the emission of almost half of the global greenhouse gases, it is important to consider the aspect of material efficiency as a component of achieving sustainability. This paper critically appraises this development as the use of the renewable wood-based materials has impacted remarkable success towards achieving sustainable building finishes in the country. It reports findings on the authors’ research through case studies, observations and structured questionnaire on the influence of use of renewable wood-based materials on the building industry in Nigeria. Findings of empirical survey conducted among professionals such like Architects, Engineers, Quantity Surveyors, Builders and Contractors practising in some selected cities in Nigeria on the use of the material were analysed along side with personal interviews of these professionals to obtain their views on the subject, revealing that the industrial production of standardised wood-based material to a finished stage makes building operation faster, reduces labour and wastages and enhances modular designs and construction thus aligning production with the current global trend. Timber material used for finishes was also observed to have good aesthetic value in building construction. The paper recommends that the material should be made available in the market in finished standard sizes for users to assemble on sites.

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Lin, Hong, Sheng Ling Xiao, and Chen Li. "Optimum Composition Design of Environmental Friendly Wood-Based Composite." Advanced Materials Research 113-116 (June 2010): 702–7. http://dx.doi.org/10.4028/www.scientific.net/amr.113-116.702.

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Taking the wood residues as raw materials, the composition of an environmentally-friendly wood material were designed and optimized, and the effect of such process parameters as PF amount, hot-pressing time, design density on wood composite's properties was studied. Use DPS data processing system for Partial Least-Squares Regressive to analyze the effect of different process parameters on properties and establish mathematical model, so as to optimize the experimental program and ascertain the best conditions, at the same time to verify it.

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Käse, David B., Giovanni Piazza, Elmar Beeh, Horst E. Friedrich, Daniel Kohl, Hoa Nguyen, Dirk Berthold, and Claudia Burgold. "Potential for Use of Veneer-Based Multi-Material Systems in Vehicle Structures." Key Engineering Materials 809 (June 2019): 633–38. http://dx.doi.org/10.4028/www.scientific.net/kem.809.633.

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In the past, the focus for the development of modern vehicle structures was very much on lightweight construction. However, there are increasing aspirations to develop not only light but also sustainable solutions which use resources efficiently. As a result, natural materials become more attractive compared to conventional lightweight construction materials. The "For (s) tschritt" research project investigates the use of veneer-based multi-material systems in vehicle structures. For this purpose, various concepts were developed, ranging from a use of the material to reinforce thin sheet metals to structural components which are produced completely from wood and are only reinforced locally. In order to evaluate the aspired solutions, generic components were derived, manufactured at the Department for Cutting and Joining Manufacturing Processes of the University of Kassel (TFF) and the Fraunhofer Institute for Wood Research, Wilhelm-Klauditz-Institut (WKI), and tested at the Institute of Vehicle Concepts of the German Aerospace Center (DLR). The advantages of the use of wood are particularly evident in structures which are subjected to bending stress and pressure loads: As a result of the lower density, they can be designed with reinforcement. This allows the second moments of inertia to be increased without affecting the weight. The disadvantages of the natural material, such as reduced reproducibility and the complex failure behaviour, are offset by systematic hybridisation of wood and the use of veneer multilayer composites.

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Lamm, Meghan E., Lu Wang, Vidya Kishore, Halil Tekinalp, Vlastimil Kunc, Jinwu Wang, Douglas J. Gardner, and Soydan Ozcan. "Material Extrusion Additive Manufacturing of Wood and Lignocellulosic Filled Composites." Polymers 12, no. 9 (September 17, 2020): 2115. http://dx.doi.org/10.3390/polym12092115.

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Wood and lignocellulosic-based material components are explored in this review as functional additives and reinforcements in composites for extrusion-based additive manufacturing (AM) or 3D printing. The motivation for using these sustainable alternatives in 3D printing includes enhancing material properties of the resulting printed parts, while providing a green alternative to carbon or glass filled polymer matrices, all at reduced material costs. Previous review articles on this topic have focused only on introducing the use of natural fillers with material extrusion AM and discussion of their subsequent material properties. This review not only discusses the present state of materials extrusion AM using natural filler-based composites but will also fill in the knowledge gap regarding state-of-the-art applications of these materials. Emphasis will also be placed on addressing the challenges associated with 3D printing using these materials, including use with large-scale manufacturing, while providing insight to overcome these issues in the future.

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Adamová, Tereza, Jaromír Hradecký, and Marek Prajer. "VOC Emissions from Spruce Strands and Hemp Shive: In Search for a Low Emission Raw Material for Bio-Based Construction Materials." Materials 12, no. 12 (June 24, 2019): 2026. http://dx.doi.org/10.3390/ma12122026.

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Volatile organic compounds (VOCs) reduce indoor air quality. They are associated with negative effects on human health and wellbeing. In terms of legislation requirements and consumer pressure, VOCs from engineered wood materials are reduced due to use of water based additives and adhesives in their formulation. Therefore, the main source of VOCs remains the raw material—the wood itself. Alternatives to wood strands, annual plant materials, are tested nowadays due to their advantages: The short cycle; the raw material is sourced naturally and can be produced more sustainably; and faster sequestering atmospheric carbon. The aim of this work was to investigate volatile organic compounds emitted from untreated and chemically treated hemp shive and compare the emission characteristics to soft wood strands. Simple, yet effective chemical treatments, like tartaric acid, citric acid and sodium bicarbonate were used in order to reduce VOC emissions. Gas chromatography-mass spectrometry (GC-MS) combined with headspace solid-phase microextraction (HS-SPME) was used to analyse the volatile compounds emissions. Specific VOCs like acetic acid; Benzaldehyde; hexanal, α-, β-pinenes; limonene and camphene were monitored before and after the treatments. Non-target screening was performed to identify the most responsible compound for differentiation of samples according to their treatments. Comparing untreated samples, spruce strands showed highest amounts of total VOCs, while untreated hemp shive showed the lowest. Further, due to the chemical modification of hemp woody core components, such as hemicelluloses, lignin, and extractives, the key VOCs showed significant changes leading to an increase in the amount of total emissions.

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Febryano, Indra Gumay, Oktarine Melly Aminah Harum, Christine Wulandari, Wahyu Hidayat, Irwan Sukri Banuwa, Hendra Prasetia, Dian Iswandaru, et al. "Raw material of Besemah traditional house construction in Indonesia." Folia Forestalia Polonica 63, no. 1 (March 1, 2021): 74–80. http://dx.doi.org/10.2478/ffp-2021-0008.

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Abstract The traditional house is one of the nature reserves that have the characteristics of various regions and must be protected and preserved. This research aimed to explain the species of wood used in the manufacture of traditional Besemah houses in the Pelang Kenidai Village, Central Dempo District, Pagaralam City, South Sumatra Province, Indonesia. The implemented methodology of this study was a qualitative approach alongside a case study method. The wood species used in the preservation of traditional Besemah houses (ghumah baghi) consisted of three species: mersawa (Anisoptera sp.), surian (Toona sureni Merr.) and rasamala (Altingia excelsa Noronha). The government is expected to support the preservation of traditional houses through policies on preserving traditional houses, rehabilitating forests and land, cultivating the species of wood used as raw materials for making traditional houses, providing alternative species of other wood as a substitute for these woods, developing culture-based tourism and supporting the community in preserving the culture they have.

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Li, Xiu Rong, De Hua Li, Er De Jiang, Yun Lin Fu, Lian Lai, and Xian Jie Ning. "Research on the Preparation of Wood-Based Composite Materials Using Wood Processing Residues." Applied Mechanics and Materials 357-360 (August 2013): 1254–58. http://dx.doi.org/10.4028/www.scientific.net/amm.357-360.1254.

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Cellulose is one of the most abundant renewable resources on the earth and could meet the increasing demand for environmental protection property and biocompatibility of materials. In recent years, ionic liquid, as a new type of environmentally-friendly medium and soft functional material, has gained widespread concern, for it has provided broad space for the further development of cellulose chemistry. This paper selects 1 - propenyl-3 - methylimidazolium ionic liquid to dissolve and reproduce the cellulose, thereby preparing the gel-type wood-based composite. The reformed fiber bundles constitute an unclosed three-dimensional cross-linked network as the support frame which owns the microstructure similar to balsa wood as well as the stable chemical and physical properties. Its oven dry density is 0.221 g/cm3and the porosity is over 87%. This kind of gel-type wood-based composite prepared by the green chemical processing could fix and store the carbon adsorbed by trees, which is conductive for the environmental protection.

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Fridley, K. J. "Errata for “Wood and wood-based materials: Current status and future of a structural material” by K. J. Fridley." Journal of Materials in Civil Engineering 14, no. 6 (December 2002): 531. http://dx.doi.org/10.1061/(asce)0899-1561(2002)14:6(531).

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Ветошкин, Yuriy Vetoshkin, Яцун, Irina Yatsun, Шишкина, and Svetlana Shishkina. "Application of waste wood of processing in-dustries in the manufacture of construction materials with specific properties." Forestry Engineering Journal 4, no. 3 (December 8, 2014): 220–29. http://dx.doi.org/10.12737/6294.

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Currently, the share of wood based materials with specific properties in total production is significant and it is increasing every year. Cre-ation of composite materials based on wood particles with the inclusion of their design of the various components allows to obtain mate-rials with specific properties. The Department of Mechanical wood processing of USFEU de-veloped a design of PLITOTREN material with specific properties (protection against X-ray radiation). The technological process of manufacturing the material is presented, basic physical and mechanical properties of the plate are obtained, and scope of the material, taking into account the specific properties is proposed.

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Korček, Pavol. "Timber as Renewable Building Material and its Use in Modern Architecture." Advanced Materials Research 899 (February 2014): 457–59. http://dx.doi.org/10.4028/www.scientific.net/amr.899.457.

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Wood is one of the completely renewable natural materials. Thanks to its unique properties, many experts consider wood to be a building material of the 21st century. Characteristics of its qualities. The most commonly used wood based structural systems. Examples of realized wooden buildings.

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Lu, Yao, Wenbo Xie, and Zheng Wang. "Determination of Heat Transfer Coefficient of Two Insulated Cotton Based on Wall Framing." MATEC Web of Conferences 275 (2019): 01014. http://dx.doi.org/10.1051/matecconf/201927501014.

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The heat preservation performance of the light wood frame construction wall directly affects the energy saving effect of the light wood frame construction. In order to strengthen the research of the thermal performance of the light wood structure wall and sandwich wall, in this paper, the heat transfer coefficient of glass-insulated cotton with two kinds of materials was measured in the exterior wall of the same light-weight wooden structure through field test method for heat transfer coefficient of construction so as to compare the test value and theory of the wall insulation coefficient Value, and preferably a thermal insulation cotton filling material. The conclusion shows that the wall filling material of guardian glass insulation performance is better than the Owens Corning Glass insulation cotton, and the former is adapted to the area of hot summer and cold winter and hot in summer and warm in winter, which is suitable for the hot summer and warm winter area. This paper is helpful to promote the energy saving optimization design of the wall structure of the light wood frame construction, and the engineering application value is high. Calculating the heat-conducting value of light wood structure wall, and the calculated values of the temperature of the constituent materials are comparable with the measured values actually, and the composite material theory can be used to predict the heat-conducting property of wood structure construction. The above is mentioned help to improve the level of on-site testing technology of heat-conducting, and provide a useful reference for the energy-saving insulation design work for light wood structure wall in our country, and this study has a high engineering application value.

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Goldhahn, Christian, Etienne Cabane, and Munish Chanana. "Sustainability in wood materials science: an opinion about current material development techniques and the end of lifetime perspectives." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 379, no. 2206 (August 2, 2021): 20200339. http://dx.doi.org/10.1098/rsta.2020.0339.

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Wood is considered the most important renewable resource for a future sustainable bioeconomy. It is traditionally used in the building sector, where it has gained importance in recent years as a sustainable alternative to steel and concrete. Additionally, it is the basis for the development of novel bio-based functional materials. However, wood's sustainability as a green resource is often diminished by unsustainable processing and modification techniques. They mostly rely on fossil-based precursors and yield inseparable hybrids and composites that cannot be reused or recycled. In this article, we discuss the state of the art of environmental sustainability in wood science and technology. We give an overview of established and upcoming approaches for the sustainable production of wood-based materials. This comprises wood protection and adhesion for the building sector, as well as the production of sustainable wood-based functional materials. Moreover, we elaborate on the end of lifetime perspective of wood products. The concept of wood cascading is presented as a possibility for a more efficient use of the resource to increase its beneficial impact on climate change mitigation. We advocate for a holistic approach in wood science and technology that not only focuses on the material's development and production but also considers recycling and end of lifetime perspectives of the products. This article is part of the theme issue ‘Bio-derived and bioinspired sustainable advanced materials for emerging technologies (part 1)’.

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Galyavetdinov, N. R., Ruslan R. Safin, and A. E. Voronin. "Analysis of Physico-Mechanical Properties of Composites Based on Polylactide and Thermally Modified Wood Fibers." Materials Science Forum 870 (September 2016): 202–6. http://dx.doi.org/10.4028/www.scientific.net/msf.870.202.

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Biodegradable polymers based on the renewable resources are a good alternative to raw petrochemical-based materials as they are environmentally safe and rapidly degradable in natural conditions, have no discharge of harmful substances to the environment. However, the reason hampering the widespread use of biodegradable polymers in the production of materials is their high cost. In this regard the technology of obtaining of wood-filled biodegradable composites based on the binder biodegradable polymer polylactide was considered. The thermally modified wood fibers are offered to use as the filler. In the course of the research the samples of wood-plastic composites, which were subsequently tested for strength and water absorption were obtained. It is established that with the increase of temperature of processing of a wood filler there is an increase in the strength characteristics of the resulting composite, the sorption performance of the composite is, on the contrary, reduced. Hence, the proposed composite material may be applied as a solid packaging material.

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Ramasamy, Shamala, Kamarudin Hussin, Mohd Mustafa Al Bakri Abdullah, Che Mohd Ruzaidi Ghazali, Andrei Victor Sandu, and Mohammed Binhussain. "Optical Data Support on Flexural Strength of Kaolin Coated Lumber Wood via Geopolymer Technology." Materials Science Forum 857 (May 2016): 431–36. http://dx.doi.org/10.4028/www.scientific.net/msf.857.431.

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Kaolin, a geopolymer raw material that is rich with aluminosilicate materials is mixed with alkaline activator solution to produce geopolymer based coating material. Geopolymer technology is stil under studied in terms of coating applications especially using kaolin as raw material. Till date, there are no similar work as our effort in this research. Lumber wood is used as our subtrates as it has low grade wood properties such as low resistance to heat, impact or even durability. In this work, optical microscopy data are analysed in support of flexural properties of kaolin coated lumber woods. As discussed in our previous work, flexural properties shows that at solid/liquid ratio of 0.7, silicate/NaOH ratio of 0.40 and 8M of NaOH, kaolin coated lumber is at its best. Our findings on interfacial micrographs of kaolin geopolymer coating and wood substrates are further observed and studied.

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Kidalova, Lucia, Nadezda Stevulova, and Anton Geffert. "Possibility of Using Wood Pulp in the Preparation of Cement Composites." Selected Scientific Papers - Journal of Civil Engineering 9, no. 1 (June 1, 2014): 51–58. http://dx.doi.org/10.2478/sspjce-2014-0006.

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Abstract Sustainable building materials are based on the use of renewable materials instead of non-renewable. Large group of renewable materials composes of plant fibres having high tensile strength are used as fillers into building material with reinforcement function of composite. This study aimed to establish the mechanical and physical properties of cement composites with organic fillers, such as wood pulp. Wood pulp cellulose is very interesting material as reinforcement in cement which contributes to a reduction of pollutants. Varying the producing technology (wood pulp and cement ratio in mixture) it is possible to obtain composites with density from 940 to 1260 kgm-3 and with compressive strength from 1.02 to 5.44 MPa after 28 days of hardening. Based on the experimental results, cement composites with using unbleached wood pulp reach higher values than composites based on bleached wood pulp. Volume ratio of unbleached wood pulp in composites influences water absorbability of cement composites

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Vanerek, Jan, Dagmar Palovcikova, and Ester Helanová. "Durability Evaluation of Wood Based Board Materials against Brown-Rot Fungi Effect." Advanced Materials Research 923 (April 2014): 3–10. http://dx.doi.org/10.4028/www.scientific.net/amr.923.3.

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The aim of the experiment was to determine the durability of wood based board materials against wood-rot fungi (Serpula lacrymans) effect. The particle boards, oriented strands boards and plywood as the testing materials were chosen. The spruce solid wood as the reference testing material was selected due to the fact that is most common timber species in the Central European region. The testing samples were exposed to wood-rot fungi and in the individual time periods the weight loss (declaring the deterioration process) and mechanical properties (static bending strength and tensile strength perpendicular to the plane of the board) was investigated. It was found that the deterioration of board materials in a very small weight decreases (up to 1.0%) leads to a significant decrease of their strength properties.

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Adamová, Tereza, Jaromír Hradecký, and Miloš Pánek. "Volatile Organic Compounds (VOCs) from Wood and Wood-Based Panels: Methods for Evaluation, Potential Health Risks, and Mitigation." Polymers 12, no. 10 (October 6, 2020): 2289. http://dx.doi.org/10.3390/polym12102289.

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Volatile organic compounds (VOCs) are contained in various construction materials and interior equipment. Their higher concentrations in the indoor air are associated with negative effects on human health and are disputed in terms of health risk, since people spend a considerable part of their lifetime indoors. Therefore, the presence of VOCs in indoor air is a case of concern regarding sick building syndrome (SBS). From a historical point of view, wood and wood-based panels represent a widely used material. Nevertheless, wood appears to be nowadays a product and a material of a sustainable future. Depending on wood extractives’ composition and an abundance of diverse wood species, different profiles of volatiles are emitted. In case of wood-based panels, the impact of adhesives and additives that are essentially applied aiming to adjust the panels’ properties is even enriching this cocktail of chemicals. This paper comprises the issue of VOCs emitted from wood and wood-based panels. The most abundant VOCs were summarized. The options of VOCs for analytical determination from these matrixes are described with their benefits and limitations.

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Li, Xiang Yu, Hui Su Chen, Chung Kong Chau, and Zong Jin Li. "Extrusion of MOC-Based Panel." Key Engineering Materials 400-402 (October 2008): 263–67. http://dx.doi.org/10.4028/www.scientific.net/kem.400-402.263.

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Magnesium Oxychloride Cement (MOC) is an air-hardened material with chemical reaction between magnesium oxide and magnesium chloride solution. It has many properties superior to Portland cement. It does not need wet curing, has very good fire resistance, low thermal conductivity. In this study, wood composites were developed by using MOC as binder and wood powders as filler. It was demonstrated that MOC was suitable for binding wood particles in large quantities. In order to ensure smooth extrusion process, additives and rheological modifiers were used to modify the rheology behaviors and properties of the mixture and the rheology behaviors of fresh materials were also investigated with upsetting and relaxation tests simultaneously. Then MOC-based panels with different cross-sections were produced by using extrusion technology and mechanical properties of them were investigated.

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Kolosova, A. S., E. S. Pikalov, and O. G. Selivanov. "Heat-Insulating Composite Material Based on Wood and Polymer Waste." Ecology and Industry of Russia 24, no. 2 (February 26, 2020): 28–33. http://dx.doi.org/10.18412/1816-0395-2020-2-28-33.

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The results of the development of a raw mixture, which contains a filler obtained by grinding a mixture of small-sized wood waste based on light dirt varieties of coniferous and deciduous species, and a binder obtained by dissolving the waste products from polystyrene foam in methylene chloride, are presented. This mixture allows cold mixing and pressing followed by heat treatment at the boiling point of the solvent. In the course of experimental studies, the influence of the ratio of the mixture components and the pressing pressure on the basic properties and structure of the obtained composite material was established. The composition of the raw material mixture and the pressing were selected to ensure low thermal conductivity in combination with low values of water absorption and swelling density and strength compliant with regulatory requirements. Received thermal insulation material for construction purposes from wood and polymer waste, characterized by large volumes of formation and high rates of accumulation.

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Hayrullina, E., V. Stepanov, and G. Ignateva. "Technology of heat-insulating construction material based on wood filler." Актуальные направления научных исследований XXI века: теория и практика 2, no. 4 (November 5, 2014): 295–99. http://dx.doi.org/10.12737/6169.

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Selezneva, O., V. Orlov, and P. Shustov. "Biostability of composite material based on wood waste processing industry." IOP Conference Series: Earth and Environmental Science 751, no. 1 (April 1, 2021): 012122. http://dx.doi.org/10.1088/1755-1315/751/1/012122.

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Filippova, F., and D. Isyangulova. "The development of technology for wood structural material based on gypsum, foam and wood particles." Актуальные направления научных исследований XXI века: теория и практика 2, no. 5 (December 6, 2014): 119–23. http://dx.doi.org/10.12737/7077.

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Stevulova, N., V. Hospodarova, V. Vaclavik, and T. Dvorsky. "Wood pulp as a potential raw material source for manufacturing bio-based building materials." IOP Conference Series: Materials Science and Engineering 549 (June 18, 2019): 012004. http://dx.doi.org/10.1088/1757-899x/549/1/012004.

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Naim, Sultono Bin, and Asep Ahmad Ruri Irwanto. "MAKING SILL TABLE WITH THE MATERIAL OF WOOD WASTE AND RESIN." Journal of Architectural Research and Education 2, no. 2 (December 18, 2020): 198–206. http://dx.doi.org/10.17509/jare.v2i2.29516.

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ABSTRACT – The activity of workshop practicum construction materials-based, Construction Engineering of Civil Engineering Education Department’s Workshop, produces wastes such as woods pieces, sawdust, galvanized pipe pieces/PVC that are still not able to utilized maximally. Every semester, yield of the practicum activity becomes waste. The research making table from wood waste and resin is one of solution and innovation to utilize the waste to become having more economic values. In the previous study, with physical and mechanical test, it could be found that the tighter the assembly of wood waste, the stronger its capability to hold its tensile force.This research used qualitative method. From the supervising of the steps of making sill table from the material of wood waste and resin, there is one type of sill table which was implemented in this research, it is split the wood waste into elongated. This research was done by three times trials with different kinds formula of resin and catalyst.The result of this research is the steps and formula of the volume comparison of resin and catalyst to make sill table from waste and resin that could be a learning guidance for woods construction practice subject and interior finishing practice subject in Construction Engineering Education Study Program and giving solution as a form of responsibility for waste handling. Keywords: Wood waste, Table, Resin.

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Papadopoulos, Antonios N., and Hamid R. Taghiyari. "Innovative Wood Surface Treatments Based on Nanotechnology." Coatings 9, no. 12 (December 16, 2019): 866. http://dx.doi.org/10.3390/coatings9120866.

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This work reviewed innovative wood surface treatments based on nanotechnology. It is well documented in the literature that the cell walls of wood present significant porosity; this porosity is on a molecular scale. The main reason for the use of nanotechnology in wood science and technology is the unique characteristic of nano-based materials to effectively penetrate deeply into wood substrates, which, in turns, results in the alteration of their surface chemistry. This subsequently causes an improvement in wood properties. Any potential change in the wood properties due to treatment with nanomaterials is based on the higher interfacial area which is developed due to the treatment. This occurs because the number of particles is significantly reduced to the nanoscale. The nanomaterials improve the properties of wood as a raw material and alter its original features to a limited extent. However, their potential impact on both health and the environment should be addressed by applying tools such as life-cycle assessments. This will avoid mistakes being made in which new technologies are released on the market prior to an impact assessment having been carried out.

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Storodubtseva, Tamara, B. Bondarev, and K. Pyaduhova. "WASTE OF WOOD AND GLASS FIBER IN COMPOSITE MATERIALS FOR PRODUCTS TRANSPORT CONSTRUCTION." Actual directions of scientific researches of the XXI century: theory and practice 8, no. 1 (October 26, 2020): 156–60. http://dx.doi.org/10.34220/2308-8877-2020-8-1-156-160.

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The results of experimental-theoretical work on the creation of new polymeric materials based on wood waste are considered. This material can be used in the outer layers of a wood-based polymer fiberglass composite in order to increase its strength properties. Instantaneous elastic moduli, conditional tensile strengths, and Poisson's ratio were determined, and the potential chemical activity of the components of the wood-based polymer fiberglass composite was revealed. The fiberglass polymer composite on the furfural-acetone monomer showed good performance when used as a structural composite of containers for storing aggressive liquids, chemically resistant tiles for shop floors, etc., which are exposed to electric current, aggressive liquids, and temperature. This material can be used in wood chemical production, capacities of energy chemical plants, furfural production, as well as in the outer layers of wood-based polymer fiberglass composite in order to increase its strength properties, specifically crack resistance. The basic compositions of the polymer fiberglass composite and its basic regulatory mechanical characteristics are given. This development is a kind of continuation of the theme of the use of forest industry waste for the production of competitive composite materials. This material will allow to utilize a huge amount of forest industry waste. In addition, the use of wood waste as a building material will make it possible to replace wood in some areas, which in turn will reduce logging and increase woodworking efficiency. All this will undoubtedly lead to an improvement in the ecological situation.

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Skurydin, Yu G., and E. M. Skurydina. "Structural features of composite materials made of hydrolyzed birch wood." FORESTRY BULLETIN 25, no. 4 (August 2021): 89–98. http://dx.doi.org/10.18698/2542-1468-2021-4-89-98.

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Structural features and physical and mechanical characteristics of plate composite materials are investigated. The materials are obtained from hydrolyzed birch wood by hot pressing without the addition of binding components. Wood processing is carried out by the method of explosive autohydrolysis without chemical reagents. The influence of pre-moistening of wood on the structure and properties of the composite material is studied. The structural features of the amorphous and crystalline components of the composite material are studied. It was found that the composite material obtained from pre-dried and pre-moistened wood retains the crystalline phase that is present in the original wood. Changes in the structure of wood when obtaining composite materials based on it occur in the amorphous component. Based on the temperature dependences of the dynamic shear modulus and the tangent of the angle of mechanical losses, information on the glass transition temperature of a complex of amorphous components of a composite material is obtained. It was found that the region of transition of lignin and hemicellulose macrochains from a glassy to a highly elastic state in the composite material is shifted towards low temperatures in comparison with the original wood. The offset is more than 70K. It is assumed that structural plasticization is the main cause of the detected effect. Pre-moistening of wood does not affect the position of the temperature transition in the amorphous component of the composite material. The study of the diffusion and sorption of water vapor in the samples of the material shows the presence of large structural inhomogeneities. Diffusion processes obey Fick’s second law and correlate with the density of samples. Data on density, static bending strength, water absorption and swelling characteristics of composite material samples were obtained. It is shown that the use of pre-moistening of wood before barothermal treatment significantly improves the structural uniformity of the resulting material. The value of the dynamic shear modulus at room temperature in comparison with the same indicator for the material obtained on the basis of dry wood increases three times. Mechanical losses are reduced, mechanical strength increases.

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Journal articles on the topic 'Wood based material'

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