Relevant bibliographies by topics / Degree of porosity

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers
  5. Reports

Academic literature on the topic 'Degree of porosity'

Author: Grafiati
Published: 3 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Degree of porosity"

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Bagaiskov, Yu. "Influence of gas permeability of abrasive tools on their structural and mechanical parameters." Journal of Physics: Conference Series 2131, no. 5 (2021): 052043. http://dx.doi.org/10.1088/1742-6596/2131/5/052043.

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Abstract Quality assurance and processing capacity are essential performance parameters of abrasive tools. It is of prime importance for grinding wheels operating at a speed of 35–60 m/s. In this case, the opportunities to increase the high-rate grinding efficiency without burns are associated with using high-porosity and low-hardness wheels. Artificial pore-forming agents are used to manufacture tools. Introduction of pore-forming agents decreases grinding forces and increases the maximum grinding depth without burns. The porosity of filled compound materials can be attributed to the concepti
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Zhang, A. Ying, and Dong Xing Zhang. "Effects of Void on Physical Properties of Hygrothermal Conditioned CFRP." Advanced Materials Research 652-654 (January 2013): 3–6. http://dx.doi.org/10.4028/www.scientific.net/amr.652-654.3.

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The effects of voids and the environment conditions on the curing degree and the Barcol hardness of CFRP laminates were discussed in this paper. The curing degree increased with increasing immersion time. The porosity had the negative effects on the curing degree of the specimens at the same immersion time. The Barcol hardness decreased with increasing immersion time. The porosity had no obvious effects on the Barcol hardness of the specimens at the same immersion time. The curing degree increased in the hygrothermally conditions. The effect of the environment conditions on the Barcol hardness
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Yao, Jian-Tao, Hui Dong, and Li-Shuang Wang. "Porosity Prediction of Porous Materials Deposited by Semi-Molten Spraying Particles." Metals 11, no. 11 (2021): 1702. http://dx.doi.org/10.3390/met11111702.

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To determine the relationship between the deposition characteristics of semi-molten particles and the porosity of porous materials prepared by flame spraying, metal powders of Mo and 316L were used and the melting degree of deposition particles was controlled. Based on the experimental observations, a three-dimensional, random-stacking model was established by introducing the slipping characteristics of semi-molten particles, which could help predict the porosity of the generated porous metal materials. The results show that the maximum porosity of porous materials deposited by semi-molten par
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Wessely, Isabelle D., Yannick Matt, Qi An, Stefan Bräse, and Manuel Tsotsalas. "Dynamic porous organic polymers with tuneable crosslinking degree and porosity." RSC Advances 11, no. 44 (2021): 27714–19. http://dx.doi.org/10.1039/d1ra05265a.

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We synthesised three different POPs via a nitroxide exchange reaction and modulated their crosslinking degree. That allowed us to investigate the influence of the crosslinking degree and the structure of the molecular components on the porosity.
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Zheng, Yuansheng, Jingyuan Gao, Kai Liu, and Cheng Ge. "The Effect of Orientation Degree of Electrospun Polystyrene Fiber on Filtration Performance of Fiber Membrane." AATCC Journal of Research 9, no. 2 (2022): 90–97. http://dx.doi.org/10.1177/24723444221081457.

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In this study, ultrafine polystyrene fiber membranes with different fiber orientation degrees were prepared by and electrospinning method, and two methods were used to characterize the fiber orientation degree. In addition, the effects of fiber orientation degree on the surface wettability and smoke filtration performance of fiber membrane were studied. The results showed that the water repellency and smoke absorption capacity of the polystyrene fiber membrane decrease with the increasing fiber orientation degree and the porosity. The orientation degree of the fiber has a significant influence
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Chemezov, Denis Alexandrovich. "THE DEGREE OF SHRINKAGE POROSITY IN THE CASTINGS AFTER SOLIDIFICATION." Theoretical & Applied Science 51, no. 07 (2017): 1–6. http://dx.doi.org/10.15863/tas.2017.07.51.1.

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Ordovás, J., E. Carmona, M. T. Moreno, and M. C. Ortega. "Characteristics of Internal Porosity of Cork Container Media." HortScience 31, no. 7 (1996): 1177–79. http://dx.doi.org/10.21273/hortsci.31.7.1177.

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The structure of cork (Quercus suber L.) bark presents a series of characteristics, suggesting that internal porosity is partly occluded. This study determined the porosity in the waste cork industry (C) and when such waste product had been composted during 4 (CC-4), 7 (CC-7), and 10.5 months (CC-10.5). The particle density of the intact and finely ground material differed significantly in all particle size ranges larger than 0.5 mm. The porosity of the cork substrates ranged from 80% to 94% of the total volume, according to granulometry and the degree of decomposition. However, large particle
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Yang, Jing, Ling Hao Wang, Fu Li Ma, and Xiao Hong Bai. "Study on Reasonable Feature of Compaction Loess with Air Porosities." Applied Mechanics and Materials 238 (November 2012): 441–46. http://dx.doi.org/10.4028/www.scientific.net/amm.238.441.

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The degree of compaction is usually used as the compaction quality and control indicator of backfill in practical project. However, as the degree of compaction is affected by various internal and external factors, its accuracy is difficult to guarantee. In this paper, compacted loess samples were prepared under different compaction energies by normal compaction method. The curves of compression coefficient and dry density, the compression coefficient and porosity of compaction loess samples under different compaction energy are analyzed while the water content is constant. The air porosities o
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Luna-Galiano, Y., C. Fernández-Pereira, and M. Izquierdo. "Contributions to the study of porosity in fly ash-based geopolymers. Relationship between degree of reaction, porosity and compressive strength." Materiales de Construcción 66, no. 324 (2016): 098. http://dx.doi.org/10.3989/mc.2016.10215.

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The main contribution of this paper relates to the development of a systematic study involving a set of parameters which could potentially have an impact on geopolymer properties: curing temperature, type of activating solution, alkali metal in solution, incorporation of slag (Ca source) and type of slag used. The microstructures, degrees of reaction, porosities and compressive strengths of geopolymers have been evaluated. Geopolymers prepared with soluble silicate presented a more compacted and closed structure, a larger amount of gel, lower porosity and greater compressive strength than thos
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Ramm, M., and K. Bjørlykke. "Porosity/depth trends in reservoir sandstones: assessing the quantitative effects of varying pore-pressure, temperature history and mineralogy, Norwegian Shelf data." Clay Minerals 29, no. 4 (1994): 475–90. http://dx.doi.org/10.1180/claymin.1994.029.4.07.

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AbstractEmpirical porosity/depth trends from the Norwegian Continental Shelf are discussed in the light of models on compactional processes during burial. Linear best-fit lines are useful as a first approximation, illustrating the general decline in porosity with depth. Porosity increases non-linearly with pore-pressure, and notably higher than normal porosity is found in very high overpressure reservoirs. Hydrostatic pressure sandstones from the Haltenbanken area are on average more porous than equivalents from the northern Viking Graben. This may be related to the burial history, as generall
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Dissertations / Theses on the topic "Degree of porosity"

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Cazzaro, Ilaria <1997&gt. "The United States-Mexico border during the Nixon Administration An ambivalent degree of porosity." Master's Degree Thesis, Università Ca' Foscari Venezia, 2022. http://hdl.handle.net/10579/20885.

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Questo lavoro tratta il confine tra Stati Uniti e Messico alla fine degli anni ’60, più precisamente durante il primo anno della presidenza Nixon (1969-1973). L’obiettivo dell’elaborato è quello di analizzare il grado di porosità del confine tra i due paesi mediante due eventi, opposti in termini di chiusura e apertura del confine, lanciati rispettivamente dai due paesi. La scelta temporale è dovuta al fatto che, nel settembre del 1969, l’amministrazione Nixon lanciò un programma, denominato Operation Intercept, con l’obiettivo di bloccare il flusso di droghe e sostanze proveniente dal Messico
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Alali, Firas [Verfasser], and Ugur [Akademischer Betreuer] Yaramanci. "The Influence of Porosity, Saturation Degree, Clay Content and Pore Water Conductivity on NMR and SIP Parameters / Firas Alali. Betreuer: Ugur Yaramanci." Berlin : Universitätsbibliothek der Technischen Universität Berlin, 2011. http://d-nb.info/1018764933/34.

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McFarlane, Andrew James. "The synthesis and characterisation of nano-structured calcium silicate : a thesis submitted to the Victoria University of Wellington in fulfilment of the requirements for the degree of Doctor of Philosophy in Chemistry /." ResearchArchive@Victoria e-Thesis, 2007. http://hdl.handle.net/10063/312.

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Liu, Yu. "Simulation study on PEM fuel cell gas diffusion layers using X-ray tomography based Lattice Boltzmann method." Thesis, Loughborough University, 2011. https://dspace.lboro.ac.uk/2134/9254.

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The Polymer Electrolyte Membrane (PEM) fuel cell has a great potential in leading the future energy generation due to its advantages of zero emissions, higher power density and efficiency. For a PEM fuel cell, the Membrane-Electrode Assembly (MEA) is the key component which consists of a membrane, two catalyst layers and two gas diffusion layers (GDL). The success of optimum PEM fuel cell power output relies on the mass transport to the electrode especially on the cathode side. The carbon based GDL is one of the most important components in the fuel cell since it has one of the basic roles of
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Koutsikas, Peter. "The influence of porosity levels on shear strength and water movement in a resin-modified glass ionomer restorative cement (Fuju II LC Improved) : thesis submitted for the degree of Master of science in Dentistry, Dental School, Faculty of Health Sciences, the University of Adelaide /." Title page, table of contents and abstract only, 2004. http://web4.library.adelaide.edu.au/theses/09DSM/09dsmk882.pdf.

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Zingg, Ludovic. "Influence de la porosité et du degré d’humidité interne sur le comportement triaxial du béton." Thesis, Grenoble, 2013. http://www.theses.fr/2013GRENI039/document.

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Ce mémoire de thèse traite de l'influence de la porosité et de l'eau libre qu'elle est susceptible de contenir sur le comportement du béton sous sollicitations sévères. Ces travaux s'inscrivent dans le cadre d'étude plus général de la vulnérabilité des ouvrages massifs en béton armé. Dans ce contexte on s'intéresse particulièrement au comportement du matériau et des structures sous impact. Le laboratoire 3SR dispose d'une presse triaxiale de grande capacité, baptisée GIGA, permettant d'atteindre des niveaux de contrainte de l'ordre du GPa , appliqués de manière quasi-statique, sur des échantil
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Jaffel, Hamouda. "Caractérisation multi-échelles de matériaux poreux en évolution : cas du plâtre." Phd thesis, Ecole Polytechnique X, 2006. http://tel.archives-ouvertes.fr/tel-00122888.

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Nous présentons une étude détaillée, non-perturbante, de la prise du plâtre par Relaxation Magnétique Nucléaire (RMN) du proton, à bas champ magnétique. Cette technique permet de quantifier en continu le degré d'hydratation et de déduire de manière non-destructive les paramètres microstructuraux d'une pâte de plâtre en cours de durcissement. La décroissance bi-exponentielle des signaux de relaxation de l'eau dans le plâtre prouve l'existence de deux populations d'eau différentes, en échange lent. A partir des mesures de relaxométrie RMN, deux modes d'organisation de la microstructure sont iden
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"THE EFFECT OF SOIL WATER REPELLENCY AND FUNGAL HYDROPHOBICITY ON SOIL WATER DYNAMICS IN THE ATHABASCA OIL SANDS." Thesis, 2014. http://hdl.handle.net/10388/ETD-2014-03-1518.

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Surface mining of the Athabasca Oil Sands of Canada is occurring at an unparalleled rate resulting in large scale disturbances over vast areas. Soil water availability for plants is one of the key issues faced when reclaiming the landscape. A factor which limits the soil water availability is soil water repellency (SWR). Soil water repellency is found on both natural and disturbed sites in this region and can cause reduced infiltration, reduced soil water storage, enhanced runoff, increased preferential flow, and reduced ecosystem productivity. Effective characterization of SWR, determination
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NOVOTNÝ, Jaroslav. "Faktory ovlivňující kvalitu a výživnou hodnodu siláží z travních porostů." Master's thesis, 2011. http://www.nusl.cz/ntk/nusl-50692.

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The paper analyzes the factors affecting the quality and nutritive value of wilted grasssilage. Grass silage sample were collected in the operating conditions for the firstmowing. Three groups were formed after 12 samples. The first group was the controlwithout using preservatives. The sekond group were included in the silage treated withbacterial agents. The third group included the bacterial-enzymetreated silage additives. There were no statistically signifiant differences in lactic acid kontent (P < 0.05) andvalues of thedegree of proteolysis (P < 0.05) between the kontrol group without the
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Book chapters on the topic "Degree of porosity"

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Mahamood, Rasheedat Modupe, and Esther Titilayo Akinlabi. "Modelling of Process Parameters Influence on Degree of Porosity in Laser Metal Deposition Process." In Transactions on Engineering Technologies. Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-017-9588-3_3.

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Tan, Yuxiang, Weizhuo Shi, Bo Li, and Yung-Tsang Chen. "Effects of Superabsorbent Polymers and Natural Zeolite on the Properties and Pore Structure of Ultra-High-Performance Concretes." In Lecture Notes in Civil Engineering. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-69626-8_28.

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AbstractUltra-high-performance concrete (UHPC) often faces challenges due to its low water-to-binder ratio. In this case, cement particles will be unable to fully hydrate, resulting in a high degree of initial dimensional instability. As a promising solution, superabsorbent polymers (SAP) and natural zeolite have potential in mitigating shrinkage and achieving self-stressing properties. Despite prior research on strength, shrinkage, and hydration of UHPC, no systematic study has examined the effects of SAP and natural zeolite on porosity and pore structure. To address this gap, a holistic test
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Middleton, Deborah A. "Typologies of Urban-Garden Interface in 19th C. Parisian Parks with a Syntactic Survey at the Bois de Boulogne." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-4749-1_1.

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Abstract Interfaces in urban spatial structure may be understood as a type of spatial form that establishes relationships between distinctive parts of a whole, characterized by their degree of connectivity and integration and porosity. In order to characterize the way spatial interfaces may be formed between parks and urban fabric, this paper reveals a typology of interface occurring at two different Paris parks, the Bois de Boulogne and Parc Monceau, as set in Baron Haussmann’s redesigned urban fabric of Paris in the mid 19th century. A review of interface in these two parks reveals distincti
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Theodorakopoulos, D. D., and D. E. Beskos. "Harmonic dynamics of poroelastic plates with one or two degrees of porosity." In Solid Mechanics and Its Applications. Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-015-8698-6_19.

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Zhang, Yuetong, Wuwei Zhu, Shenglong Jin, et al. "A Prediction Model for Loess Collapse Coefficient Based on Genetic Algorithm Back Propagation Neural Network." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-5814-2_38.

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AbstractAs an important property of loess, the collapsibility coefficient is commonly used in engineering to evaluate the collapsibility of loess. The main methods for predicting the collapsibility coefficient of loess currently include fuzzy algorithm, principal component analysis, data mining, etc. Due to the numerous indicators that affect the collapsibility of loess and their mutual influence, current research has problems such as incomplete consideration of indicators or insufficient data used to fit prediction models, resulting in insufficient prediction accuracy. Using factor analysis m
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Astafev, Pavel, Karina Zhidel, Jakov Reizenkind, Anatoly Pavlenko, Lidiya Shilkina, and Larisa Reznichenko. "Microwave Absorbing Properties of Modified Solid Solutions Based on Bismuth Ferrite and Lead Ferroniobate with Different Degrees of Porosity." In Springer Proceedings in Materials. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-21572-8_17.

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Anna Pezzetti, Laura, and Helen Khanamiryan. "Regenerative Learning Architecture. The School Campus of Vimercate as a Unit of Urban Morphology." In The Urban Book Series. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-77752-3_32.

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Abstract Over the past decade, the need for innovation in school buildings has emerged globally. While schools are supposedly seen as pivots of districts’ fabric and community life, insufficient theoretical explorations and design strategies have been devoted to learning architecture and its urban role. Innovation focusses merely on indoor environment in terms of learning zoning, modular furniture and flexible classroom settings in relation to new teaching forms and digital technologies. Rooted in the tradition of Italian urban studies, the paper discusses one research by design reframing inno
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Capdetrey, Laurent. "Posséder la terre et contrôler les hommes." In Statuts personnels et main-d’œuvre en Méditerranée hellénistique. Presses universitaires Blaise-Pascal, 2021. https://doi.org/10.4000/13w9y.

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La question de la possession de la terre en Asie Mineure après la conquête d’Alexandre est tout sauf évidente et, du coup, son corollaire, celle du statut de la main-d’œuvre n’est pas moins complexe. Cet article propose une réflexion sur les degrés et les formes de propriété pour tenter de mieux saisir la grande diversité des modalités d’exploitation de la terre et des rapports de domination qui la permette. Il s’agit d’abord de tenter d’échapper à certaines catégories (mode de production asiatique/approche hyper-moderniste des notions de propriété) qui écrasent les réalités. Celles-ci restent
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Ganjoo, Richika, Shveta Sharma, Ashish Kumar, and M. M. Arêmou Daouda. "Activated Carbon: Fundamentals, Classification, and Properties." In Activated Carbon. The Royal Society of Chemistry, 2023. http://dx.doi.org/10.1039/bk9781839169861-00001.

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A class of amorphous carbonaceous materials with large porosity and internal surface area is referred to as “activated carbon,” or AC. Coconut shells, coal, and wood are the basic sources of ACs. Anthracite and bituminous coals have been the main sources of AC until recently, although AC may be made from any carbonaceous material. AC is an extremely effective adsorbent. It may be used to clean, dechlorinate, deodorize, and decolourize both liquid and vapour applications because of its large surface area, pore structure, and high degree of surface reactivity. Since the removal of contaminants r
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Mortimore, R. N. "Chalk water and engineering geology." In The Hydrogeology of the Chalk of North-West Europe. Oxford University PressOxford, 1993. http://dx.doi.org/10.1093/oso/9780198542858.003.0005.

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Abstract To assess the potential engineering hazard created by water in the Chalk it is first necessary to identify the range of engineering operations. It is also necessary to establish the engineering characteristics of chalk that generate particular hazards in combination with pore-water and/or fissure water. Engineering operations that are relevant cover underground excavations, surface earthworks, slope stabilization, preparation of foundations, waste disposal, water disposal in soakaways, and the abstraction of both water and hydrocarbons. Each of these operations is dependent on a knowl
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Conference papers on the topic "Degree of porosity"

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Bandiera, Marco, Alessandro Mancini, Arianna Pavesi, Andrea Bonfanti, Massimiliano Bestetti, and Federico Bertasi. "Optimized Pulsed Anodization for Corrosion Protection of Aluminum Silicon Alloys." In CORROSION 2021. AMPP, 2021. https://doi.org/10.5006/c2021-16431.

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Abstract The manuscript investigates new waveforms for pulsed anodization of Aluminum Silicon alloys (AlSix) and demonstrates: 1) an effective reduction of the anodic layers porosity degree; 2) an enhancement of the thickness homogeneity; and 3) a boost of the corrosion protection capability; of the obtained coatings. The interplay between process parameters (e.g. current/potential waveforms), oxide layer morphology and corrosion resistance is investigated by means of several techniques.In particular, metallography, voltammetry and contact angle methods are used in order to correlate the elect
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Sullivan, James, Christopher Howe, and Jinkyu Choi. "Cold Spray Processing and Repair Design for Helicopter Components." In Vertical Flight Society 73rd Annual Forum & Technology Display. The Vertical Flight Society, 2017. http://dx.doi.org/10.4050/f-0073-2017-12218.

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The cold spray process is currently being utilized to repair metallic production and field-returned helicopter components. The process is a low, solid-state temperature deposition technology in which fine metallic powder particles are injected into a supersonic velocity gas stream to produce a dense deposit by impact onto the substrate surface. The non-melted metallic particles form cold welded bonds with metal substrates, and additional spray passes can achieve deposition layers up to a few inches in thickness. As a result, the cold spray process can be used to repair and rebuild features on
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Paul, Shiladitya. "Cathodic Protection of Offshore Structures by Extreme Damage Tolerant Sacrificial Coatings." In CORROSION 2018. NACE International, 2018. https://doi.org/10.5006/c2018-10949.

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Abstract Sacrificial coatings such as thermally sprayed aluminium (TSA) have been used in offshore oil and gas platforms for decades. They provide a barrier layer when intact and cathodic protection when damaged or in the presence of surface-connected porosity. The damage tolerance of these coatings have been known from experience, but the level of damage these coatings can tolerate whilst still providing sacrificial protection to steel is unexplored. To explore the damage tolerance of TSA, coated carbon steel bar with a high degree of damage was exposed to synthetic seawater and the potential
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Sanchez-Suarez, Rudy M., Juan J. Choquehuanca-Zevallos, F. A. Huaman-Mamani, D. L. Mayta-Ponce, and Jimmy Ludena-Choez. "A Method Based on RF Spectral Featuresfor Evaluating the Porosity Degree in Ceramic Materials." In 2018 IEEE MTT-S Latin America Microwave Conference (LAMC). IEEE, 2018. http://dx.doi.org/10.1109/lamc.2018.8699066.

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Farima, Daniela, Alina Iovandragomir, and Valentin Buliga. "SOFTWARE APPLICATIONS FOR THE EVALUATION OF THE TEXTILE COMPACTNESS." In eLSE 2018. Carol I National Defence University Publishing House, 2018. http://dx.doi.org/10.12753/2066-026x-18-164.

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The textiles are considered capillary-pore materials and their porosity can be evaluated by using the pore percentage, meaning the ratio between the pores’ volume (air) and the textile volume. For knitted fabrics which are characterized by large values of the porosity, it is also relevant to specify the volumetric filling degree, starting with the projection phase, because it expresses the compactness of the analyzed structure. There are differences between the values of these two synthetic indicators (porosity and the volumetric filling degree) because the porosity refers also to the air volu
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Carrara, E., R. Pece, N. Roberti, and T. Vanorio. "Porosity and Saturation Degree of Rocks Evaluated by Joint Measurements of Resistivities and Seismic Velocities." In 1st EEGS Meeting. European Association of Geoscientists & Engineers, 1995. http://dx.doi.org/10.3997/2214-4609.201407489.

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Mota, R., and F. M. dos Santos. "Porosity and water saturation degree from combined resistivity and seismic surveys for geotechnical site characterization." In 9th EAGE/EEGS Meeting. European Association of Geoscientists & Engineers, 2003. http://dx.doi.org/10.3997/2214-4609.201414537.

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Li, Chang-Jiu, Jiao Zou, Hui-Bin Huo, Jian-Tao Yao, and Guan-Jun Yang. "Microstructure and Properties of Porous Abradable Alumina Coatings Flame-Sprayed by Semi-Molten Particles." In ITSC2015, edited by A. Agarwal, G. Bolelli, A. Concustell, et al. ASM International, 2015. http://dx.doi.org/10.31399/asm.cp.itsc2015p0142.

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Abstract High efficiency gas turbine needs high temperature sealing by abradable porous ceramic coatings. In this study, porous Al2O3 coatings were deposited by flame spraying through controlling melting of spray powder particle in a semi-molten state. The effect of melting degree of spray particles changed via spray conditions on coating microstructure and porosity was investigated. The melting degree of spray particles was characterized by using 3D confocal laser microscopy. The porosity of the coating was estimated by image analyzing. The results showed that the melting degree of alumina pa
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Chen, Biao, Chang-Jiu Li, Guan-Jun Yang, Jian-Tao Yao, Hui-Bin Huo, and Cheng-Xin Li. "Preparation and Characterization of Porous Molybdenum by Low-Velocity Flame Spraying of Semi-Molten Particle Deposition." In ITSC 2012, edited by R. S. Lima, A. Agarwal, M. M. Hyland, et al. ASM International, 2012. http://dx.doi.org/10.31399/asm.cp.itsc2012p0851.

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Abstract In this study, porous molybdenum (Mo) materials were prepared by flame spraying semi-molten particles to low velocity levels. The influence of spray particle state, including particle velocity and melting degree, on microstructure and porosity was investigated to understand the formation mechanism of the pore structure and connection between particles. The results showed that Mo sprayed particles at low velocities (&amp;lt;20 m/s) and limited semi-molten state can be generated by flame spraying. The annealed Mo deposits with the porosity ranged from 39% to 61% were deposited. High por
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Fernández, J., J. M. Guilemany, and M. Gaona. "High Crystallinity Degree Hydroxyapatite Coatings using HVOF Spraying." In ITSC2005, edited by E. Lugscheider. Verlag für Schweißen und verwandte Verfahren DVS-Verlag GmbH, 2005. http://dx.doi.org/10.31399/asm.cp.itsc2005p1219.

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Abstract Biomaterial coatings must have high degrees of crystallinity and phase purity, good adhesive and cohesive integrity and adequate porosity to promote bone ingrowth. The most used coating method is atmospheric plasma spraying. However, the main drawback of this technique is the generation of an amorphous phase and other calcium phosphate phases after the spraying process, which are not present in the feedstock and are not desirable. The use of HVOF as a process for obtaining hydroxyapatite coatings on Ti-6Al-4V was used successfully. With optimised HVOF process parameters, coatings with
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Reports on the topic "Degree of porosity"

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Delmer, Deborah, Nicholas Carpita, and Abraham Marcus. Induced Plant Cell Wall Modifications: Use of Plant Cells with Altered Walls to Study Wall Structure, Growth and Potential for Genetic Modification. United States Department of Agriculture, 1995. http://dx.doi.org/10.32747/1995.7613021.bard.

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Our previous work indicated that suspension-cultured plant cells show remarkable flexibility in altering cell wall structure in response either to growth on saline medium or in the presence of the cellulose synthesis inhibitor 2,-6-dichlorobenzonitrile (DCB). We have continued to analyze the structure of these modified cell walls to understand how the changes modify wall strength, porosity, and ability to expand. The major load-bearing network in the walls of DCB-adapted dicot cells that lack a substantial cellulose-xyloglucan network is comprised of Ca2+-bridged pectates; these cells also hav
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Poverenov, Elena, Tara McHugh, and Victor Rodov. Waste to Worth: Active antimicrobial and health-beneficial food coating from byproducts of mushroom industry. United States Department of Agriculture, 2014. http://dx.doi.org/10.32747/2014.7600015.bard.

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Background. In this proposal we suggest developing a common solution for three seemingly unrelated acute problems: (1) improving sustainability of fast-growing mushroom industry producing worldwide millions of tons of underutilized leftovers; (2) alleviating the epidemic of vitamin D deficiency adversely affecting the public health in both countries and in other regions; (3) reducing spoilage of perishable fruit and vegetable products leading to food wastage. Based on our previous experience we propose utilizing appropriately processed mushroom byproducts as a source of two valuable bioactive
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