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Relevant bibliographies by topics / Hand layup method

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Academic literature on the topic 'Hand layup method'

Author: Grafiati

Published: 4 June 2025

Last updated: 15 July 2025

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Journal articles on the topic "Hand layup method"

1

S, Sravanthee. "A Review on the Performance of Natural Fiber Reinforced Polyester and Epoxy Matrices." International Journal for Research in Applied Science and Engineering Technology 12, no. 6 (2024): 2030–42. http://dx.doi.org/10.22214/ijraset.2024.63448.

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Abstract: Natural fiber reinforced polymer matrix composites have gained significant attention in recent years due to their ecofriendly nature and potential applications in various industries. Hand layup is a widely employed manufacturing method for these composites, offering flexibility and cost-effectiveness in producing complex shapes and structures. This review explores the characteristics of natural fibers, the properties of the resulting composites, and the process of hand layup. The integration of natural fibers with polymer matrices through hand layup is discussed in terms of mechanical performance, environmental impact, and economic feasibility. Challenges and future prospects in the field are also highlighted to guide further research and development efforts.

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Ram, Dhiwakar S., P. N. Bharath Kumar, R. Sandeep Kumar, and B. Vijaya Ramnath. "Evaluation of Mechanical Properties of Sugarcane Reinforced Hybrid Natural Fibre Composites by Conventional Fabrication and Finite Element Method." Key Engineering Materials 841 (May 2020): 327–34. http://dx.doi.org/10.4028/www.scientific.net/kem.841.327.

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Natural Fibre composites are being widely used as a replacement to non-bio-degradable polymer composites. The unavailability of proper processes to treat the natural fibres and the errors in fabrication result in less accurate mechanical properties. The accuracy that is obtained by machine-based processes is not possible in Hand layup method, which is employed in fabrication of natural fibre composites. Finite Element method packages which are specially intended in modelling composite structures give more accurate result of properties than experimental setup, by avoiding fabrication errors. This paper evaluates Impact energy and then the tensile strength, flexural strength of a sugarcane fibre GFRP reinforced polymer matrix both by conventional Hand Layup method and also by Finite Element method.

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Arun A.K, Satish Hiremath, Kavyashree R, and Md Imamali. "Fabrication and Testing of Novel Hybrid Carbon Composite for Aircraft Applications." ACS Journal for Science and Engineering 2, no. 1 (2022): 33–40. http://dx.doi.org/10.34293/acsjse.v2i1.26.

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Even though many advanced composite material fabrication method is available, still hand layup method is a major part of a research work. Hand-layup process is time consuming and inconsistent method, but due its low cost and versatility, this method is used for production of composites. In this project, a hybrid carbon composite has been fabricated and tested for two different compositions. From testing results we studied that carbon-glass composite fiber is tougher than the glass-bagasse-carbon composite fiber and which is harder than the glass-bagasse-carbon composite fiber. The limitation of the carbon-glass composite fiber is more costly than the glass-bagasse-carbon composite fiber but it gives more strength.

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Al Mahmood, Abdullah. "Characterization of Glass Fibre Reinforced Polymer Composite Prepared by Hand Layup Method." American Journal of Bioscience and Bioengineering 5, no. 1 (2017): 8. http://dx.doi.org/10.11648/j.bio.20170501.12.

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Sadashiva, M., S. Praveen Kumar, M. K. Yathish, V. T. Satish, MR Srinivasa, and V. Sharanraj. "Experimental investigation of bending characteristics of hybrid composites fabricated by hand layup method." Journal of Physics: Conference Series 2089, no. 1 (2021): 012033. http://dx.doi.org/10.1088/1742-6596/2089/1/012033.

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Abstract The extensive applications of hybrid composite materials in the field of transportation and structural domine provide prominent advantages in the order of stiffness, strength even cost. However extend the advantages of hybrid campsites in several field such as aviation and marine even more additional properties should be inculcate in them. During production of such profitable composites poses some problems at time at decompose and processing. It’s better to develop environment friendly and reusable composites, bio hybrid composite materials such of the one. In this paper, focused on development of Eco-friendly hybrid bio composites with the ingredients of drumstick fibers, glass fiber along with polyester resin. This hybrid bio composites subjected to bending test and evaluate the characteristics of bending properties, this research evident that bending characteristics of hybrid composites with longitudinal fiber orientation better than transverse.

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IIDA, Makoto, Katuhiko SAKAI, Yasuo SUZUKI, and Nobuaki IKEYA. "G1300-1-5 Mechanical characteristics of CFRP molded by new hand layup method." Proceedings of the JSME annual meeting 2010.4 (2010): 205–6. http://dx.doi.org/10.1299/jsmemecjo.2010.4.0_205.

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Rajput, Virendra, Rohit Soni, Alok Jha, and Alok Agrawal. "Ranking of epoxy/Kota stone dust composite by MCDM approach using hybrid AHP-MOORA methods." MATEC Web of Conferences 393 (2024): 01006. http://dx.doi.org/10.1051/matecconf/202439301006.

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The selection of appropriate materials is crucial in mechanical and structural design processes. This research study focuses on the fabrication of epoxy-based composites reinforced with Kota stone dust using a manual hand layup process. To simplify the material selection process, various Multi-Criteria Decision Making (MCDM) approaches were utilized. In this research, hybrid MCDM approaches, such as the analytical hierarchy process (AHP) and multi-objective optimization based on ratio analysis (MOORA), were employed to rank the epoxy composites filled with Kota stone dust. The AHP method was utilized to determine the weightage of each criterion, while the MOORA technique was used to rank the composites. Manual hand layup method was used for fabrication of composites. The selection of criteria was based on the physical and mechanical properties of the fabricated composites. The results indicate that epoxy composites containing 20% Kota stone dust are the most efficient for structural applications.

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Shabberhussain, Shaik, and Ramachandran Velmurugan. "Effect of Graphene Nanoplatelets on Mechanical Performance of GFRP Composites." Materials Science Forum 1059 (April 25, 2022): 73–80. http://dx.doi.org/10.4028/p-dm021j.

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The carbonaceous nanofillers such as graphene nanoplatelets (GN) due to their unique properties have been increasingly used as nanofillers to improve the mechanical properties of FRP composites. In the present study, unidirectional glass fiber reinforced polymer (GFRP) composites and GFRP composites with graphene nanoplatelets (GN-GFRP) are fabricated using vacuum bag process and hand layup method. The percentage of GN added in GN-GFRP composites is 0.1% and 0.5% in case of hand layup method and 0.5% in case of vacuum bag process. The specimens are tested under uniaxial tension and three-point bending to study the effect of GN on the tensile and flexural performance of GFRP composites. In case of composites fabricated using hand layup method, the tensile strength of GFRP composites increased by 35.8% and 40.4% with the addition of 0.1% and 0.5% GN respectively. The tensile modulus of GN-GFRP composites with 0.5% GN decreased by 11.8% compared to GFRP composites. The flexural strength of GN-GFRP composites with 0.1% and 0.5% GN are found to have increased by 6.5% and 5.3% respectively compared to GFRP composites. The flexural modulus of GN-GFRP with 0.1% GN increased by 11% and the same for GN-GFRP with 0.5% decreased by 8.2% compared to GFRP composites. The tensile strength and modulus of GN-GFRP composites fabricated using vacuum bag process decreased by 24.4% and 7.7% respectively compared to GFRP composites. Scanning Electron Microscope (SEM) investigation reveals that poor adhesion of resin with the fibers caused delamination in GN-GFRP composites fabricated using vacuum bag process resulting in reduction of tensile properties.

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Shabberhussain, Shaik, and Ramachandran Velmurugan. "Effect of Graphene Nanoplatelets on Mechanical Performance of GFRP Composites." Materials Science Forum 1059 (April 25, 2022): 73–80. http://dx.doi.org/10.4028/p-dm021j.

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The carbonaceous nanofillers such as graphene nanoplatelets (GN) due to their unique properties have been increasingly used as nanofillers to improve the mechanical properties of FRP composites. In the present study, unidirectional glass fiber reinforced polymer (GFRP) composites and GFRP composites with graphene nanoplatelets (GN-GFRP) are fabricated using vacuum bag process and hand layup method. The percentage of GN added in GN-GFRP composites is 0.1% and 0.5% in case of hand layup method and 0.5% in case of vacuum bag process. The specimens are tested under uniaxial tension and three-point bending to study the effect of GN on the tensile and flexural performance of GFRP composites. In case of composites fabricated using hand layup method, the tensile strength of GFRP composites increased by 35.8% and 40.4% with the addition of 0.1% and 0.5% GN respectively. The tensile modulus of GN-GFRP composites with 0.5% GN decreased by 11.8% compared to GFRP composites. The flexural strength of GN-GFRP composites with 0.1% and 0.5% GN are found to have increased by 6.5% and 5.3% respectively compared to GFRP composites. The flexural modulus of GN-GFRP with 0.1% GN increased by 11% and the same for GN-GFRP with 0.5% decreased by 8.2% compared to GFRP composites. The tensile strength and modulus of GN-GFRP composites fabricated using vacuum bag process decreased by 24.4% and 7.7% respectively compared to GFRP composites. Scanning Electron Microscope (SEM) investigation reveals that poor adhesion of resin with the fibers caused delamination in GN-GFRP composites fabricated using vacuum bag process resulting in reduction of tensile properties.

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Mohanavel, V., T. Sathish, M. Ravichandran, K. Arul, and Ram Subbiah. "Mechanical properties of waste silk fibre reinforced PLA bio composites manufactured through hand layup method." Journal of Physics: Conference Series 2027, no. 1 (2021): 012016. http://dx.doi.org/10.1088/1742-6596/2027/1/012016.

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Book chapters on the topic "Hand layup method"

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Srinivasababu, Nadendla. "Mechanical Performance of Nanoclay-Cellulose Fibre Particulate Composites Fabricated by Modified Two Stage Wet/Hand Layup Method." In Nanoclay Reinforced Polymer Composites. Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-0950-1_10.

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Verma, Deepak, Garvit Joshi, and Rajneesh Dabral. "Processing Technologies for Green Composites Production." In Materials Science and Engineering. IGI Global, 2017. http://dx.doi.org/10.4018/978-1-5225-1798-6.ch020.

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Green composites became a most important and adaptable theme of research. This area/theme not only harness the agricultural wastes such as bagasse fibres, banana fibres, etc. but also provides a new material manufactured from these wastes which are reduced weight, have low cost, and have high mechanical strength. Currently, there are various methods available for the processing or fabrication of green composites. Some of these methods are hand layup method, injection molding method, spray-up method, compression molding, Resin-Transfer Molding (RTM), etc. In this chapter, we are discussing about the fabrication method of green composite and their important parameters. Various properties and characterization of composite materials made by these methods have also been discussed and reported here.

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Kuppusamy, Raghu Raja Pandiyan. "Development of Liquid Composite Moulded Thermoset Composite Automotive Parts Using Process Simulations." In Design and Optimization of Mechanical Engineering Products. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-3401-3.ch002.

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Hand layup method is normally used for manufacturing composite parts with large and complex geometry where as Resin Transfer Moulding (RTM) process is a better substitute, but is sparingly used due to lack of proper manufacturing technology. Developments of RTM manufacturing process always requires a proper mould design. In addition, difficulty in the tooling design and mould fabrication cost increases with increase in size and complexity of the component. The scale down strategy of full scale product avoids bigger size mould requirements, prototype bulk production for product testing and quality check at the starting phase of product development. Moreover, the mould scale down strategy can be used to validate the process and the product with less capital input. In this work, a methodology to develop a RTM technology for manufacturing a complex and large composite structure utilizing the process simulation were demonstrated using high speed cab front as selected component.

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Wutabachew, Mamaru. "Experimental and Numerical Evaluation of Tensile Strength of Horse Hair-Glass Fiber/Epoxy Hybrid Composites." In Next Generation Fiber-Reinforced Composites - New Insights [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.109018.

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Natural fibers are environmentally friendly with less weight and energy conservation than the synthetic fibers. The present study assessed on mechanical properties of the hybrid composite which is composed of horsehair and glass fiber materials using experimental methods and Digimat simulation. The impact of weight percentage and orientation of fiber on mechanical properties such as tensile strength is investigated. The total weight of the fiber was 70% and the matrix was 30%. The specimen was prepared using the method of hand layup process. The weight percentage increment was 20% and the orientation of the fiber was 0–900 and 0–900. By doing Digimat simulation and testing the composite; it was rich that there is a basic effect of weight percentage and orientation in mechanical property of composite. With a different weight percentage of fiber, the maximum tensile strength was 282.97Mpa in the experiment result and 290 Mpa Digimat simulation result which is 56% of glass fiber plus 14% of horse hair fiber plus 30% of epoxy resin. Whereas the orientation of fiber 00 has the maximum tensile strength which is 127.2 Mpa in the experiment result and 150.12Mpa in the Digimat simulation result. The test outcomes are drawn and the conclusions were made to compare the result of horsehair/epoxy, glass fiber/epoxy and hybrid composite with software simulation. Further investigation is recommended to test with other animal hairs.

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Conference papers on the topic "Hand layup method"

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Miniappan, P. K., S. Marimuthu, and A. Daniel Das. "Investigations on mechanical and metallurgical characteristics of sisal fiber arrangement using hand layup method." In INTERNATIONAL CONFERENCE ON MINERALS, MATERIALS AND MANUFACTURING METHODS (ICMMMM). AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0158808.

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Kumar, R. Sarath, and A. Vasudevan. "Enhancement on Izod impact strength of BFRP epoxy composite addition novel MWCNT particles by hand layup method." In CONTEMPORARY INNOVATIONS IN ENGINEERING AND MANAGEMENT. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0151825.

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Arun, J., and Natrayan Lakshmaiya. "Enrichment of flexural strength of epoxy matrix nanocomposite reinforced with novel calotropis procera/Si nanoparticles fabricated by hand layup method." In THE 12TH ANNUAL INTERNATIONAL CONFERENCE (AIC) 2022: The 12th Annual International Conference on Sciences and Engineering (AIC-SE) 2022. AIP Publishing, 2024. http://dx.doi.org/10.1063/5.0186350.

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Samba, Vamsi Reddy, and Natrayan Lakshmaiya. "Enrichment of tensile strength of epoxy matrix nano-composite reinforced with morus alba/Novel Montmorillonite nanoclay particles fabricated by hand layup method." In ADVANCES IN SUSTAINABLE CONSTRUCTION MATERIALS. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0116766.

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Saleem, Shaik, and A. Vasudevan. "Measurement of surface roughness of epoxy matrix nanocomposites reinforced with bi-directional sisal fiber with novel graphene nanoparticles fabricated by hand layup method." In FIFTH INTERNATIONAL CONFERENCE ON APPLIED SCIENCES: ICAS2023. AIP Publishing, 2024. http://dx.doi.org/10.1063/5.0197524.

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Kumar, G. Shiva, and L. Natrayan. "Improvement of impact strength of epoxy matrix nano composite reinforced with bi-directional woven morus alba with silicon nanoparticles fabricated by hand layup method." In THE 4TH INTERNATIONAL CONFERENCE ON MATERIAL SCIENCE AND APPLICATIONS. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0173121.

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Bharath Kumar, P. E., and Natrayan Lakshmaiya. "Enrichment of flexural strength of epoxy matrix nanocomposites reinforced with novel bi-directional woven morus alba/nano clay particles fabricated by hand layup method." In THE 12TH ANNUAL INTERNATIONAL CONFERENCE (AIC) 2022: The 12th Annual International Conference on Sciences and Engineering (AIC-SE) 2022. AIP Publishing, 2024. http://dx.doi.org/10.1063/5.0186556.

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Hayakawa, Tohru, Zhiyuan Zhang, Yuqiu Yang, and Hiroyuki Hamada. "An Investigation on the Mechanical Property of Unidirectional Basalt Fiber Composites." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-62821.

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Due to its low price and high mechanical property, basalt fiber (BF) is emerging as a novel reinforcement for fiber reinforced polymer (FRP) instead of glass fiber. The research about basalt fiber reinforced composites (BFRP) is insufficient in particularly for the long term life. Therefore, in order to apply BFRP into practical use, the current study was focused on mechanical property and their durable property. Firstly, one layer and six layers laminated unidirectional basalt fiber fabric reinforced unsaturated polyester were made by hand-layup method and tested by tensile, 3-point bending, short span bending and drill hole experiments. On the other hand, for the unidirectional basalt fiber fabric reinforced epoxy which are expected to be used in civil engineering, water and alkali solution immersion at various temperatures were carried out. The evolution of the mechanical properties along with ageing time was investigated. The results indicate that it is needed to improve the interface property between basalt fiber and polymer through surface treatment for enhanced durability performance.

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Kitamura, Takanori, Qianjin Zhang, Kanta Ito, et al. "Mechanical Properties of Paper Thermosetting Resin Composites by Various Paper Materials." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-37798.

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Recycling and reusing is a noticeable method for environment protecting. Recycled paper is one of the most successful cases as it contributes to energy saving, low cost, low wood consumption and environmental protection. During paper recycling process, many different kinds of raw materials can be used. Paperboards made of different raw materials showed different properties. In this study, three kinds of raw materials were selected to fabricate paperboards respectively combining with thermosetting resin, paperboards reinforced plastic composite was laminated by hand layup method. Detailed observation were carried out to analysis the molding stations including the tensile property which was investigated on both unnotched and notched specimens, besides, to investigate the anisotropy, tensile test was conducted on the specimens both in machine rolling direction and transverse direction. SEM was also employed to observe the materials and fracture area respectively.

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Meka, Sai Krishna, Ryan Enos, Yao Sun, and Dianyun Zhang. "IS AUTOMATED FIBER PLACEMENT TRULY FREE FROM DEFECTS IN THE ERA OF INDUSTRY 4.0?" In SAMPE 2025 Indianapolis. Society for the Advancement of Material and Process Engineering, 2025. https://doi.org/10.33599/nasampe/s.25.0198.

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Automated Fiber Placement (AFP) plays a significant role in advanced manufacturing, particularly in the aerospace and automotive industries. AFP technology is of benefit as it enables us to generate layups, based on optimum designs by fiber steering. The primary benefit of AFP is the lower cost through scrap reduction and improved production cycle time as opposed to hand layup methods. However, just as hand layup, AFP also suffers from inherent unintended imperfections. These imperfections could be due to multiple reasons, often the layup imperfections such as gaps and overlaps are studied but enough emphasis is not provided on the defects due to consolidation/curing. Optimized cure cycles are utilized to minimize residual stresses developed during curing, which could affect the mechanical performance of the composites. A continuum-based damage model called the “smeared crack approach” is used to conduct a progressive damage analysis on AFP fabricated coupons where the layup imperfections and consolidation defects are considered simultaneously.

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