Academic literature on the topic 'Protective materials'

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Journal articles on the topic "Protective materials"

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Vakhula, Orest, Myron Pona, Ivan Solokha, Oksana Koziy, and Maria Petruk. "Ceramic Protective Coatings for Cordierite-Mullite Refractory Materials." Chemistry & Chemical Technology 15, no. 2 (May 15, 2021): 247–53. http://dx.doi.org/10.23939/chcht15.02.247.

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The issue of cordierite-mullite refractories protection from the influence of aggressive factors is considered. The interaction between the components of protective coatings has been studied. It has been investigated that in the systems based on poly(methylphenylsiloxane) filled with magnesium oxide, alumina and quartz sand, the synthesis of cordierite (2MgO•2Al2O3•5SiO2), mullite (3Al2O3•2SiO2) or magnesium aluminate spinel (MgO•Al2O3) is possible. The basic composition of the protective coating, which can be recommended for the protection of cordierite-mullite refractory, is proposed.
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Timofeeva, S. V., A. S. Malyasova, and O. G. Khelevina. "Fireproof Protective Materials. Modification Siloxan Protective Materials by Compounds of Aluminium." Пожаровзрывобезопасность 19, no. 10 (August 2011): 25–29. http://dx.doi.org/10.18322/pvb.2010.19.10.25-29.

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Hao, Feiran, Wei Zhou, and Yue Gao. "Recent advances in nuclear radiation protective clothing materials." Materials Express 11, no. 8 (August 1, 2021): 1255–68. http://dx.doi.org/10.1166/mex.2021.1922.

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With the development of science and technology, the opportunities for military forces and general citizens to be exposed to a radioactive environment have greatly increased. It is urgent to establish a mature nuclear, biological and chemical protection system, of which nuclear radiation protective clothing is a vital part. Radiation protective clothing is clothing that ensures the protection of people in a radioactive environment by reducing the radiation exposure dose. Owing to the advances in material science, it is possible to develop radiation protective clothing with better performance. In this review, we focus on X-ray, γ-ray and thermal neutron shielding and elaborate on the following 3 aspects by citing a variety of examples: methods for measuring the shielding performance of radiation protective clothing, radiation protective clothing materials and the prospects and existing problems. In addition, a number of commercial nuclear radiation protective clothing is introduced, and their evaluation is expounded to explain the problems.
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Meteleva, Olga V., M. Surikova, and L. Bondarenko. "Adhesive Joints of Heterogeneous Materials in Protective Wares." Key Engineering Materials 816 (August 2019): 295–301. http://dx.doi.org/10.4028/www.scientific.net/kem.816.295.

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Different materials are often combined in protective sewing goods. Multifunctional adhesive film material for adhesive joints of protective materials is created. The results of experimental estimate of adhesive joint physic-mechanical properties of materials with heterogeneous properties are represented. Adhesive-bonded joints of goods for personal protection are investigated.
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Novikov, Nikolay V., Svetlana V. Samchenko, and Galina E. Okolnikova. "Barite-containing radiation protective building materials." RUDN Journal of Engineering Researches 21, no. 1 (December 15, 2020): 94–98. http://dx.doi.org/10.22363/2312-8143-2020-21-1-94-98.

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Due to the active development of industries using nuclear technology, the creation of highly effective and cost-effective building materials for protection against hazardous ionizing radiation is of increasing interest. Widespread in the field of radiation-protective building materials are barite-containing concrete. The purpose of this article is to establish the prospects of their use in nuclear facilities, as well as to find ways to improve their technical and operational characteristics. For this an analysis of relevant literature and scientific research in the field of radiation-protective materials and, in particular, barite-containing concrete was carried out. The advantages of barite-containing concrete are high radiation-protective properties, environmental friendliness, high density, as well as economic indicators. The disadvantages are high susceptibility to shrinkage deformation and poor resistance to cyclic temperature effects. The addition of barite to the concrete composition allows to increase the coefficient of linear absorption of -rays of the material; also, with the proper selection of the composition, such material may have strength characteristics equal to or superior to the characteristics of concrete with standard compositions. Barite-containing materials have a wide range of applications and can be used both for the production of heavy concrete in the construction of load-bearing structures and in the creation of radiation-protective coatings for walls and floors.
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KRIEGER, JAMES. "Protective materials topic of database." Chemical & Engineering News 65, no. 4 (January 26, 1987): 19. http://dx.doi.org/10.1021/cen-v065n004.p019.

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Tennyson, R. C. "Protective coatings for spacecraft materials." Surface and Coatings Technology 68-69 (December 1994): 519–27. http://dx.doi.org/10.1016/0257-8972(94)90211-9.

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Timofeyeva, S. V., A. E. Osipov, and O. G. Khelevina. "Fireproof Protective Materials. Modification of Siloxan Covering of Protective Materials by Compounds of Boron." Пожаровзрывобезопасность 19, no. 6 (December 2010): 19–22. http://dx.doi.org/10.18322/pvb.2010.19.06.19-22.

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Savvova, O. V. "Protective impact resistant composite materials based on aluminium-silicate glass-ceramics." Functional materials 26, no. 1 (March 22, 2019): 182–88. http://dx.doi.org/10.15407/fm26.01.182.

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Li, Yuan, Hong Xie, and Hongqiong Deng. "Influence of Clothing Materials on Protective Performance in Tennis." Journal of Business Administration Research 6, no. 2 (August 18, 2017): 27. http://dx.doi.org/10.5430/jbar.v6n2p27.

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The main objective of this study is to analyze influence of clothing materials on protective performance in tennis sportswear. Firstly, the paper presented a human protection model on tennis, and deduced two evaluation parameters to describe protection performance. Secondly, the experimental objects wore different gears made by different fabrics for tennis serve and the experiment data was collected to analyze the gears’ protection performance. Thickness, elasticity, fabric composite methods and wrapping types were set as independent variables of the gears. The ANOVA shows that these factors are of great significance to change the evaluation parameters of the upper limbs joints. Thickness of fabrics is more significant (P<0.01) on evaluation parameters than that of elasticity, especially for elbow (P<0.01), while elastic of fabric only affects peak momentum of elbow and wrist, but not obvious. The wrapping ways of pads are important factors to peak momentum changes. This research shows clothing material is an important element to design protective tennis gears.
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Dissertations / Theses on the topic "Protective materials"

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Krumnow, April Anne. "Preserving biological materials in protective polymers." Auburn, Ala., 2005. http://repo.lib.auburn.edu/2005%20Fall/Dissertation/KRUMNOW_APRIL_38.pdf.

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Geoffroy, Laura. "Design of new fire protective multi-materials." Thesis, Lille 1, 2020. http://www.theses.fr/2020LIL1R014.

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Le feu peut causer de graves dégâts matériels et humains. Par conséquent, il est important de mettre au point de nouvelles protections contre le feu. Pour concevoir de nouveaux systèmes toujours plus efficaces, une approche scientifique innovante a été envisagée au sein de cette thèse. Elle consiste à combiner différents concepts et matériaux, tout en jouant sur leur design plutôt que leur formulation pour atteindre de meilleures propriétés de protection thermique. Ainsi, deux nouveaux multi-matériaux de protection contre le feu ont été élaborés, visant dans un cas à limiter la réaction au feu, et dans l’autre cas à augmenter la résistance au feu d’un substrat. Dans une première partie, la fabrication additive s’est révélée être un procédé de choix pour concevoir le matériau ayant une faible réaction au feu. Un design à structure sandwich original inspiré du vivant (nid d’abeille) a été conçu, imprimé en 3D, et optimisé par la combinaison de nombreux concepts (système inhibiteur d’oxygène, barrière physique, revêtement basse émissivité). Grâce à cette association de design et concepts, le multi-matériau, exposé à un flux de chaleur radiatif externe de 50 kW/m2 basé sur la norme ISO 13927 du cône calorimètre, a montré une très faible réaction au feu avec notamment une rapide extinction de flamme et un faible dégagement de chaleur total (inférieur à 10 kW/m2), témoignant de son excellente efficacité. Dans une seconde partie, un système faisant office de barrière thermique a été développé afin de protéger un substrat face à une exposition au feu de 116 kW/m2 (test « burn-through » représentatif du standard aéronautique ISO2685). Cette barrière, combinant les phénomènes d’intumescence et de délamination au sein d’un même design, a permis de réduire considérablement la propagation de la chaleur au sein du système. Le substrat a ainsi été protégé, avec une température en face arrière restant inférieure à 250°C après plus de 15 minutes d’exposition au feu. L’efficacité de ce système optimisé a ensuite été validée sur d’autres substrats. Cette étude prouve que la modification du design de divers matériaux constitue une voie prometteuse pour améliorer la performance des systèmes de protection contre le feu
Fire can cause severe material damage as well as human casualties. The development of new fire protective systems is thus of prime importance. In order to conceive new and more efficient systems, an innovative scientific approach has been considered within this PhD work. It consists in combining various concepts and materials while changing their design rather than their chemistry to achieve superior fire protection. In this way, two novel fireproofing multi-materials were developed and aimed on the one hand to limit the reaction to fire, and on the other hand to increase the fire resistance of a substrate. In the first part, additive manufacturing was selected as a process of choice for designing a material with a low reaction to fire. An original bio-inspired sandwich design (honeycomb-like structure) was elaborated, 3D printed and optimized by the combination of numerous concepts (oxygen inhibitor system, physical barrier, low emissivity coating). Thanks to this association of design and concepts, the multi-material exposed to an external radiant heat flux of 50 kW/m2 based on the ISO 13927 standard of the mass loss cone calorimeter has shown a very low reaction to fire with a fast flame extinguishment and an extremely low total rate of heat release rate (less than 10 kW/m2) evidencing its outstanding efficiency. In a second part, a system acting as a fire barrier was developed to protect a substrate against a fire exposure of 116 kW/m2 (burn-through fire testing mimicking the aeronautical standard ISO2685). Intumescence and delamination phenomena were combined within the same design to elaborate this barrier. This new and optimized assembly dramatically reduces heat propagation and protects the substrate, its backside temperature remaining below 250°C after more than 15 minutes of fire exposure. The effectiveness of this fire barrier was finally tested on other substrates to extend its use. This study proves that modifying the design of various materials can be a promising way to design new and very effective fire protective systems
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Ankrah, Stephanie. "Protective materials for sporting applications : football shin guards." Thesis, University of Birmingham, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.288869.

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Yener, Fatih Yalçın Güneş Korel Figen. "Development of antimicrobial protective food coating materials from edible alginate films/." [s.l.]: [s.n.], 2007. http://library.iyte.edu.tr/tezlerengelli/master/biyoteknoloji/T000658.pdf.

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Lange, Hanna. "Emulsion polymerization of vinyl acetate with renewable raw materials as protective colloids." Thesis, KTH, Skolan för kemivetenskap (CHE), 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-41019.

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Emulsion polymerizations of vinyl acetate (VAc) were performed by fully or partially replacing poly(vinyl alcohol) (PVA) with renewable materials as protective colloids or by adding renewable materials, as additives or fillers, to the emulsions during or after polymerization. The purpose of the study was to increase the amount of renewable materials in the emulsion. A total of 19 emulsions were synthesized. Different recipes were used for the synthesis. The following renewable materials were studied; hydroxyethyl cellulose (HEC) with different molecular weights, starch and proteins. HEC and starch were used as protective colloids. Proteins were used as additives or fillers. Cross-linking agent A and Cross-linking agent B were used as cross-linking agents. A total of 26 formulations were pressed, either cold or hot. The synthesized emulsions were evaluated with respect to pH, solids content, viscosity, minimum film formation temperature (MFFT), glass transition temperature (Tg), particle size and molecular weight (Mw). The tensile shear strengths of the emulsions were evaluated according to EN 204 and WATT 91. It was possible to fully, or partially, replace PVA as protective colloid with renewable materials. It was also possible to use renewable materials as additives or fillers in the emulsions. The emulsions obtained properties that differed from the reference. Generally, emulsions with HEC as protective colloid showed lower viscosity and slightly higher MFFT, Tg and molecular weight than emulsions with PVA as protective colloid. Larger particle sizes than the reference were obtained for emulsions containing PVA combined with renewable materials. The emulsion with starch as protective colloid exhibited the largest particle size. 10 formulations passed the criteria for D2. The emulsions where PVA was fully or partially replaced with HEC or starch showed a water resistance similar to the reference (around D2). The addition of protein did not decrease the water and heat resistance compared to the reference. Addition of protein after polymerization increased the water resistance (D2) compared to addition during polymerization. Addition of cross-linking agents did not increase the water resistance further. Two formulations passed the criteria for D3. The emulsion in the first formulation had PVA as protective colloid and protein B was added during polymerization. The emulsion in the second formulation had HEC as protective colloid. To both of these emulsions, protein A was added after polymerization, as a filler, combined with Cross-linking agent B as cross-linking agent before hot pressing. The first formulation also showed a good heat resistance (passed the criteria for WATT 91).
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Berger, Brian Lee. "Development of a Protective Coating for TAGS-85 Thermoelectric Material." University of Dayton / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1375129912.

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Turel, Tacibaht Gowayed Yasser. "Gas transmission through microporous membranes." Auburn, Ala, 2008. http://repo.lib.auburn.edu/EtdRoot/2008/FALL/Polymer_and_Fiber_Engineering/Dissertation/Turel_Tacibaht_38.pdf.

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Shen, Fengyu. "Study of Perovskite Structure Cathode Materials and Protective Coatings on Interconnect for Solid Oxide Fuel Cells." Diss., Virginia Tech, 2017. http://hdl.handle.net/10919/74973.

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Solid oxide fuel cells (SOFCs) are promising devices to convert chemical energy to electrical energy due to their high efficiency, fuel flexibility, and low emissions. However, there are still some drawbacks hindering its wide application, such as high operative temperature, electrode degradation, chromium poisoning, oxidization of interconnect, and so on. Cathode plays a major role in determining the electrochemical performance of a single cell. In this dissertation, three perovskite cathode materials, La0.6Sr0.4Co0.2Fe0.8O3 (LSCF), Ba0.5Sr0.5Co0.2Fe0.8O3 (BSCF), and Sm0.5Sr0.5Co0.2Fe0.8O3 (SSCF), are comparatively studied through half-cells in the temperature range of 600-800 ºC. Sm0.2Ce0.8O1.9 (SDC) block layer on the yttria-stabilized zirconia (YSZ) electrolyte can lead to smaller polarization resistances of the three cathode materials through stopping the reaction between the cathodes and the YSZ electrolyte. SDC is also used as a catalyst to increase the oxygen reduction reaction (ORR) rate in the LSCF cathode. In addition, interconnect is protected by CoxFe1-x oxide and Co3O4/SDC/Co3O4 tri-layer coatings separately. These coatings are demonstrated to be effective in decreasing the area specific resistance (ASR) of the interconnect, inhibiting the Cr diffusion/evaporation, leading higher electrochemical performance of the SSCF-based half-cell. Only 1.54 at% of Cr is detected on the surface of the SSCF cathode with the Co0.8Fe0.2 oxide coated interconnect and no Cr is detected with the Co3O4/SDC/Co3O4 tri-layer coated interconnect. Finally, single cells with LSCF, BSCF, and SSCF as the cathodes are operated in the temperature range of 600-800 °C fueled by natural gas. BSCF has the highest power density of 39 mW cm-2 at 600 °C, 88 mW cm-2 at 650 °C, and 168 mW cm-2 at 700 °C; LSCF has the highest power density of 263 mW cm-2 at 750 °C and 456 mW cm-2 at 800 °C. Activation energies calculated from the cathode ASR are 0.44 eV, 0.38 eV, and 0.52 eV for the LSCF, BSCF, and SSCF cathodes respectively, which means the BSCF cathode is preferred. The stability test shows that the BSCF-based single cell is more stable at lower operative temperature (600 °C) while the LSCF-based single cell is more stable at higher operative temperature (800 °C).
Ph. D.
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Yan, Jin. "Aspects of instrumented indentation with applications to thermal barrier coatings." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 177 p, 2007. http://proquest.umi.com/pqdweb?did=1397913961&sid=17&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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DRENSKY, GEORGE KERILOV. "AMBIENT AND HIGH TEMPERATURE EROSION INVESTIGATION OF MATERIALS AND COATINGS USED IN TURBOMACHINERY." University of Cincinnati / OhioLINK, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1022846322.

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Books on the topic "Protective materials"

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National Institute of Justice (U.S.). Ballistic resistant protective materials. Washington, D.C: U. S. Dept. of Justice, National Institute of Justice, 1985.

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Tennyson, Roderick C. Protective coatings for spacecraft materials. [S.l.]: [s.n.], 1994.

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Stern, K. H. Metallurgical and Ceramic Protective Coatings. Dordrecht: Springer Netherlands, 1996.

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Ankrah, Stephanie. Protective materials for sporting applications - football shin guards. Birmingham: University of Birmingham, 2002.

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Testing of body armor materials: Phase III. Washington, D.C: National Academies Press, 2012.

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ASTM Committee F-23 on Protective Clothing. ASTM standards on protective clothing. Philadelphia, PA: ASTM, 1990.

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Institute, British Standards. Protective clothing - protection against liquid chemicals: Test method:resistance of materials to permeation by liquids. London: B.S.I., 1993.

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Institution, British Standards. Protective clothing - protection against liquid chemicals - test method : resistance of materials topenetration by liquids. London: B.S.I., 1993.

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Ronk, Richard M. Personal protective equipment for hazardous materials incidents: A selection guide. Morgantown, W. Va: U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, Division of Safety Research, 1985.

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NATO Advanced Research Workshop on Innovative Superhard Materials and Sustainable Coatings (2004 Kiev, Ukraine). Innovative superhard materials and sustainable coatings for advanced manufacturing. Edited by Lee Jay 1957- and Novikov Nikolaĭ Vasilʹevich 1932-. Dordrecht: Springer, 2005.

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Book chapters on the topic "Protective materials"

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Pacek, Dawid. "Fluid Based Protective Structures." In Advanced Structured Materials, 73–81. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-02257-0_6.

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El Messiry, Magdi. "Textile Materials for Flexible Armor." In Protective Armor Engineering Design, 31–62. Includes bibliographical references and index.: Apple Academic Press, 2019. http://dx.doi.org/10.1201/9780429057236-2.

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Karger, A., Friedrich Wilhelm Bach, and C. Pelz. "Protective System for Magnesium Melt." In Materials Science Forum, 85–88. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-968-7.85.

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Mao, Ningtao. "Textile Materials for Protective Textiles." In High Performance Technical Textiles, 107–57. Chichester, UK: John Wiley & Sons, Ltd, 2019. http://dx.doi.org/10.1002/9781119325062.ch5.

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Basak, Santanu, Animesh Laha, Mahadev Bar, and Rupayan Roy. "Recent Advances in Protective Textile Materials." In Advanced Textile Engineering Materials, 55–86. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2018. http://dx.doi.org/10.1002/9781119488101.ch3.

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Lewis, Keith L., Andrew M. Pitt, Desmond R. Gibson, and Ewan M. Waddell. "Ultra-Durable Coatings Using Phosphide Materials." In Protective Coatings and Thin Films, 553–64. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5644-8_43.

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Kim, Jae Won, Seong Hwan Park, H. C. Kim, Yeon Gil Jung, Je Hyun Lee, and Un Gyu Paik. "SiC Oxidation Protective Coating for Graphite Mould." In Key Engineering Materials, 57–62. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-965-2.57.

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El Messiry, Magdi. "Testing Methods for Materials and Protective Vests: Different Components." In Protective Armor Engineering Design, 271–313. Includes bibliographical references and index.: Apple Academic Press, 2019. http://dx.doi.org/10.1201/9780429057236-7.

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Movchan, Boris A., and Kostyantyn Yu Yakovchuk. "Advanced Graded Protective Coatings, Deposited by EB-PVD." In Materials Science Forum, 1681–88. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-432-4.1681.

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Wang, Xiu Chun, Mu Sen Li, Xi Qing Pan, Xiu Xin Wang, and Xiao Jun Li. "Processing of Environment Protective Phosphating and its Coating Properties." In Key Engineering Materials, 1846–49. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-456-1.1846.

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Conference papers on the topic "Protective materials"

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Tsai, S., and S. Que Hee. "262. Permeation of Xylenes Through Protective Materials." In AIHce 1996 - Health Care Industries Papers. AIHA, 1999. http://dx.doi.org/10.3320/1.2764931.

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BORODINA, T. N., D. O. GRIGORIEV, D. V. ANDREEVA, and D. G. SHCHUKIN. "PROTECTIVE COATING FOR THE HYDROGEN STORAGE MATERIALS." In Proceedings of the International Conference on Nanomeeting 2009. WORLD SCIENTIFIC, 2009. http://dx.doi.org/10.1142/9789814280365_0116.

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Shustov, Valentin. "Earthquake-protective pneumatic foundation." In SPIE's 7th Annual International Symposium on Smart Structures and Materials, edited by S. C. Liu. SPIE, 2000. http://dx.doi.org/10.1117/12.383162.

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Li, Qiaofen, Yan Tu, Lanlan Yang, and Harm Tolner. "Theoretical analysis for different PDP protective layer materials." In 2012 IEEE Ninth International Vacuum Electron Sources Conference (IVESC). IEEE, 2012. http://dx.doi.org/10.1109/ivesc.2012.6264192.

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Babich, Yevhenij, Sergij Filipchuk, Victor Karavan, and Justyna Sobczak-Piąstka. "General requirements for materials of fortification protective structures." In SCIENTIFIC SESSION ON APPLIED MECHANICS X: Proceedings of the 10th International Conference on Applied Mechanics. Author(s), 2019. http://dx.doi.org/10.1063/1.5091865.

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Bortsov, Sergey U., Irina B. Kirienko, Vecheslav I. Kirillov, and Vladimir A. Nadolinnyj. "Micro-plasma Protective Coatings." In 2007 8th Siberian Russian Workshop and Tutorial on Electron Devices and Materials. IEEE, 2007. http://dx.doi.org/10.1109/sibedm.2007.4292916.

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Ahmed, Tamseel Murtuza, Zaara Ali, Muhammad Mustafizur Rahman, and Eylem Asmatulu. "Advanced Recycled Materials for Economic Production of Fire Resistant Fabrics." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-88640.

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Fire protective clothing is crucial in many applications, in military/government (Navy, Marine Corps, Army, Air Force, Coast Guard, and Law Enforcement) and industry (working with furnaces, casting, machining and welding). Fire resistant clothes provide protection to those who are at risk for exposure to fire hazards (intense heat and flames) and provide inert barrier between the skin and fire and shields the user from direct exposure to fire and irradiation. Flame retardant and chemical protective apparel consumption was 997 million m2 in 2015. This market size expected to grow more due to substantial increase in military and industrial demand. Advanced materials have long history in these areas to protect human life against the hazards. There are two main application techniques for producing fire resistant clothing: 1) Using fire retardant materials directly in the textile, and 2) Spray coating on the garments. Over the time these physically and chemically treated cloths begin to degrade and become less protective due to UV and moisture exposure, abrasion, wear, and laundry effects which will shorten the useful wear life of those cloths. The study compared the improved fire resistance of fabrics when treated with recycled graphene solution.
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Hand, R. J., J. E. Field, and S. van der Zwaag. "High Modulus Layers As Protective Coatings For 'Window' Materials." In SPIE 1989 Technical Symposium on Aerospace Sensing, edited by Paul Klocek. SPIE, 1989. http://dx.doi.org/10.1117/12.960771.

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Little, Benjamin J., and A. O¨zer Arnas. "Thermally Activated Protective Systems: Material Considerations for Improved Flash/Flame Protection." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-38958.

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This paper is based on an effort to increase the protection from thermal and flash/flame threats due to explosion. The relatively recent threat of Improvised Explosive Devices, IEDs, the large thermal energy associated with them, as well as the secondary fires has prompted an investigation into whether the personal protective equipment available to the individual soldier provides adequate protection from injury. This is a continuation of a previous paper that investigated the full extent of the threat posed by explosions. The research included a profile of the thermal properties of the threat, typical injuries associated with explosions, as well as several possible means of alleviating the dangers. One means that was suggested was the use of intumescent materials. These are materials that expand when exposed to heat, thus increasing the distance between the threat and the person as well as altering their thermal conductivity to make them more resistant to burn. Using this suggestion, in this paper we seek to determine the feasibility of using these materials in a protective garment. It factors in soldier concerns of durability, comfort, et cetera but focuses mainly on the heat transfer aspects of the material.
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Kulkarni, S. G., X. L. Gao, N. V. David, S. E. Horner, and J. Q. Zheng. "Ballistic Helmets: Their Design, Materials, and Performance Against Traumatic Brain Injury." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-86340.

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Protecting a soldier’s head from injury is critical to function and survivability. Traditionally, combat helmets have been utilized to provide protection against shrapnel and ballistic threats, which have reduced head injuries and fatalities. However, home-made bombs or improvised explosive devices (IEDs) have been increasingly used in theatre of operations since the Iraq and Afghanistan conflicts. Traumatic brain injury (TBI), particularly blast-induced TBI, which is typically not accompanied by external body injuries, is becoming increasingly prevalent among injured soldiers. The response of personal protective equipment, especially combat helmets, to blast events is relatively unknown. There is an urgent need to develop head protection systems with blast protection/ mitigation capabilities in addition to ballistic protection. Modern military operations, ammunitions, and technology driven war tactics require a lightweight headgear that integrates protection mechanisms (against ballistics, blasts, heat, and noise), sensors, night vision devices, and laser range finders into a single system. The current paper provides a comparative study on the design, materials, ballistic and blast performance of the combat helmets used by the U.S. Army based on a comprehensive and critical review of existing studies. Mechanisms of ballistic energy absorption, effects of helmet curvatures on ballistic performance, and performance measures of helmets are discussed. Properties of current helmet materials (including Kevlar® K29 and K129 fibers, and thermoset resins) and future candidate materials for helmets (such as nano-composites, thermoplastic polymers, and carbon fibers) are elaborated. Also, experimental and computational studies on blast-induced TBI are examined, and constitutive models developed for brain tissues are reviewed. Finally, the effectiveness of current combat helmets against TBI is analyzed along with possible avenues for future research.
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Reports on the topic "Protective materials"

1

Kirsteins, Andrea, and Cleveland A. Heath. Survey of Hazardous Chemical Protective Suit Materials. Fort Belvoir, VA: Defense Technical Information Center, April 1991. http://dx.doi.org/10.21236/ada237278.

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2

Read, David L., and Larry C. Muszynski. Energy Absorbing Materials for Protective Structures. Phase 2. Fort Belvoir, VA: Defense Technical Information Center, August 1994. http://dx.doi.org/10.21236/ada311039.

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3

Napadensky, Eugene, and Yossef A. Elabd. Breathability and Selectivity of Selected Materials for Protective Clothing. Fort Belvoir, VA: Defense Technical Information Center, July 2004. http://dx.doi.org/10.21236/ada425206.

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4

Lawson, J. Randall, William D. Walton, Nelson P. Bryner, and Francine K. Amon. Estimates of thermal properties for fire fighters' protective clothing materials. Gaithersburg, MD: National Institute of Standards and Technology, 2005. http://dx.doi.org/10.6028/nist.ir.7282.

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5

Rossman, Grant Andrew, Isaac C. Avina, and Bradley Alexander Steinfeldt. Observations Regarding Commonly Available Materials for Face Shield Emulated-Personal Protective Equipment. Office of Scientific and Technical Information (OSTI), April 2020. http://dx.doi.org/10.2172/1616234.

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Rossman, Grant Andrew, Isaac C. Avina, and Bradley Alexander Steinfeldt. Observations Regarding Commonly Available Materials for Face Covering Emulated-Personal Protective Equipment. Office of Scientific and Technical Information (OSTI), April 2020. http://dx.doi.org/10.2172/1616235.

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Lawson, J. Randall, and Tershia A. Pinder. Estimates of thermal conductivity for materials used in fire fighters' protective clothing. Gaithersburg, MD: National Institute of Standards and Technology, 2000. http://dx.doi.org/10.6028/nist.ir.6512.

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8

Malati, Peter, Rahul Ganguli, and Vivek Mehrotra. Sacrificial Protective Coating Materials that can be Regenerated In-Situ to Enable High Performance Membranes. Office of Scientific and Technical Information (OSTI), March 2018. http://dx.doi.org/10.2172/1429323.

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9

Vettori, Robert. Estimates of thermal conductivity for unconditioned and conditioned materials used in fire fighters' protective clothing. Gaithersburg, MD: National Institute of Standards and Technology, 2005. http://dx.doi.org/10.6028/nist.ir.7279.

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10

Last, G. V., M. A. Glennon, M. A. Young, and G. W. Gee. Protective barrier materials analysis: Fine soil site characterization: A research report for Westinghouse Hanford Company. Office of Scientific and Technical Information (OSTI), November 1987. http://dx.doi.org/10.2172/5598007.

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