Bibliographies thématiques / HIGH HEAT RESISTANT

Littérature scientifique sur le sujet « HIGH HEAT RESISTANT »

Auteur : Grafiati
Publié le 11 septembre 2023

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Articles de revues sur le sujet "HIGH HEAT RESISTANT"

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Eklund, Wayne, David Ford et Marc Miller. « High-heat-resistant powder coatings ». Metal Finishing 96, no 9 (septembre 1998) : 11–12. http://dx.doi.org/10.1016/s0026-0576(98)81401-3.

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Tao, Zhenghong, Nantiya Viriyabanthorn, Bhavjit Ghumman, Carol Barry et Joey Mead. « Heat Resistant Elastomers ». Rubber Chemistry and Technology 78, no 3 (1 juillet 2005) : 489–515. http://dx.doi.org/10.5254/1.3547893.

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Abstract This paper reviews the different types of heat resistant elastomers and the effects of compounding on the high temperature performance of these materials. Degradation mechanisms and testing procedures are discussed briefly. New developments in improving high temperature resistance are presented.
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Habib, Firdous, et Madhu Bajpai. « UV Curable Heat Resistant Epoxy Acrylate Coatings ». Chemistry & ; Chemical Technology 4, no 3 (15 septembre 2010) : 205–16. http://dx.doi.org/10.23939/chcht04.03.205.

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Polymeric materials are exposed to high temperatures that results in lowering of the film integrity. A blend of an epoxy resin with the silicone acrylate resin was developed to provide high heat resistance UV cured coatings. Earlier siliconized epoxy coatings had been developed by conventional curing. But due to environmental awareness, high productivity rate, low process costs and energy saving UV curable coatings are enjoying considerable growth. Thermally stable UV cured coatings used in the present study were developed from silicone acrylate and epoxy acrylate resin with different diluents and photoinitiator. Such coatings provide higher thermal stability (693 K) along with physical and chemical resistance. In addition, such coatings can also be obtained by using functional amino silanes. The resin developed provides a simple and practical solution to improve heat resistance along with physical and chemical resistance of the UV cured coatings. The purpose of this research paper is to develop UV curable heat resistant coatings by the combination of inorganic and organic polymer, taking epoxy acrylate as a base resin.
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Veselkov, Sergey, Olga Samoilova, Nataliya Shaburova et Evgeny Trofimov. « High-Temperature Oxidation of High-Entropic Alloys : A Review ». Materials 14, no 10 (16 mai 2021) : 2595. http://dx.doi.org/10.3390/ma14102595.

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Over the past few years, interest in high-entropic alloys (HEAs) has been growing. A large body of research has been undertaken to study aspects such as the microstructure features of HEAs of various compositions, the effect of the content of certain elements on the mechanical properties of HEAs, and, of course, special properties such as heat resistance, corrosion resistance, resistance to irradiation with high-energy particles, magnetic properties, etc. However, few works have presented results accumulated over several years, which can complicate the choice of directions for further research. This review article presents the results of studies of the mechanisms of high-temperature oxidation of HEAs of systems: Al-Co-Cr-Fe-Ni, Mn-Co-Cr-Fe-Ni, refractory HEAs. An analysis made it possible to systematize the features of high-temperature oxidation of HEAs and propose new directions for the development of heat-resistant HEAs. The presented information may be useful for assessing the possibility of the practical application of HEAs in the aerospace industry, in nuclear and chemical engineering, and in new areas of energy.
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Sukegawa, Atsuhiko M., Koichi Okuno et Shinji Sakurai. « High-Heat-Resistant Neutron Shielding Resin ». Nuclear Technology 168, no 2 (novembre 2009) : 553–58. http://dx.doi.org/10.13182/nt09-a9242.

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Blinov, V. M., I. O. Bannykh et T. N. Zvereva. « High-plasticity heat-resistant 03Kh14G16N6Yu-type steels with heat-and deformation-resistant austenite ». Russian Metallurgy (Metally) 2008, no 4 (août 2008) : 329–35. http://dx.doi.org/10.1134/s0036029508040101.

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Van Boeijen, Ineke K. H., Christof Francke, Roy Moezelaar, Tjakko Abee et Marcel H. Zwietering. « Isolation of Highly Heat-Resistant Listeria monocytogenes Variants by Use of a Kinetic Modeling-Based Sampling Scheme ». Applied and Environmental Microbiology 77, no 8 (25 février 2011) : 2617–24. http://dx.doi.org/10.1128/aem.02617-10.

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ABSTRACTStable high-hydrostatic-pressure (HHP)-resistantListeria monocytogenesLO28 variants were previously isolated and characterized. These HHP variants were also more resistant to heat. In addition, nonlinear heat inactivation kinetics pointed toward the existence of heat-resistant variants, although these could not be isolated so far. In this study, we used kinetic modeling of inactivation curves of two isolated HHP variants and their wild type, and this revealed that the probability of finding resistant variants should depend on the nature of the inactivation treatment and the time of exposure. At specific heat and HHP conditions, resistant LO28 and EGDe variants were indeed isolated. Resistant LO28 variants were even isolated after a heat inactivation at 72°C in milk, and these variants showed high resistance to standard pasteurization conditions. The increased resistance of part of the isolated LO28 and EGDe variants was due to mutations in theirctsRgenes. For the variants whosectsRgenes and upstream regions were not altered, the mechanisms leading to increased resistance remain to be elucidated. This research showed the strength of kinetic modeling in unraveling the causes of nonlinear inactivation and facilitating the isolation of heat-resistantL. monocytogenesvariants.
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Skulsky, V. Yu, V. V. Zhukov, M. A. Nimko, S. I. Moravetsky et L. D. Mishchenko. « Evaluation of susceptibility to temper brittleness of heat-resistant steels using high-temperature testing ». Paton Welding Journal 2016, no 2 (28 février 2016) : 22–27. http://dx.doi.org/10.15407/tpwj2016.02.04.

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Kamoshida, Mamoru, Takeshi Hiranuma et Masashi Shimizu. « ICONE15-10362 DEVELOPMENT OF HEAT-RESISTANT NEUTRON SHIELDING RESIN FOR HIGH PAYLOAD METAL CASK ». Proceedings of the International Conference on Nuclear Engineering (ICONE) 2007.15 (2007) : _ICONE1510. http://dx.doi.org/10.1299/jsmeicone.2007.15._icone1510_183.

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Waku, Yoshiharu. « High Temperature Strength of Heat-Resistant Ceramics ». Materia Japan 37, no 11 (1998) : 925. http://dx.doi.org/10.2320/materia.37.925.

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Thèses sur le sujet "HIGH HEAT RESISTANT"

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Calmunger, Mattias. « On High-Temperature Behaviours of Heat Resistant Austenitic Alloys ». Doctoral thesis, Linköpings universitet, Konstruktionsmaterial, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-122945.

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Advanced heat resistant materials are important to achieve the transition to long term sustainable power generation. The global increase in energy consumption and the global warming from greenhouse gas emissions create the need for more sustainable power generation processes. Biomass-fired power plants with higher efficiency could generate more power but also reduce the emission of greenhouse gases, e.g. CO2. Biomass offers no net contribution of CO2 to the atmosphere. To obtain greater efficiency of power plants, one option is to increase the temperature and the pressure in the boiler section of the power plant. This requires improved material properties, such as higher yield strength, creep strength and high-temperature corrosion resistance, as well as structural integrity and safety. Today, some austenitic stainless steels are design to withstand temperatures up to 650 °C in tough environments. Nickel-based alloys are designed to withstand even higher temperatures. Austenitic stainless steels are more cost effective than nickel-based alloys due to a lower amount of expensive alloying elements. However, the performance of austenitic stainless steels at the elevated temperatures of future operation conditions in biomass-red power plants is not yet fully understood. This thesis presents research on the influence of long term high-temperature ageing on mechanical properties, the influence of very slow deformation rates at high-temperature on deformation, damage and fracture, and the influence of high-temperature environment and cyclic operation conditions on the material behaviour. Mechanical and thermal testing have been performed followed by subsequent studies of the microstructure, using scanning electron microscopy, to investigate the material behaviours. Results shows that long term ageing at high temperatures leads to the precipitation of intermetallic phases. These intermetallic phases are brittle at room temperature and become detrimental for the impact toughness of some of the austenitic stainless steels. During slow strain rate tensile deformation at elevated temperature time dependent deformation and recovery mechanisms are pronounced. The creep-fatigue interaction behaviour of an austenitic stainless steel show that dwell time gives shorter life at a lower strain range, but has none or small effect on the life at a higher strain range. Finally, this research results in an increased knowledge of the structural, mechanical and chemical behaviour as well as a deeper understanding of the deformation, damage and fracture mechanisms that occur in heat resistant austenitic alloys at high-temperature environments. It is believed that in the long term, this can contribute to material development achieving the transition to more sustainable power generation in biomass-red power plants.
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Nam, Jae-Do. « Polymer matrix degradation : characterization and manufacturing process for high temperature composites / ». Thesis, Connect to this title online ; UW restricted, 1991. http://hdl.handle.net/1773/9867.

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Moricca, Maria del Pilar. « High temperature oxidation characteristics of Nb-10W-XCr alloys ». To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2009. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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Liu, Yi Johnson R. Wayne. « Packaging of silicon carbide high temperature, high power devices processes and materials / ». Auburn, Ala., 2006. http://repo.lib.auburn.edu/2006%20Spring/doctoral/LIU_YI_31.pdf.

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Mignanelli, Paul Michael. « The design of new nickel-base superalloys with high niobium contents ». Thesis, University of Cambridge, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.709110.

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Fox, Bronwyn Louise. « The manufacture, characterization and aging of novel high temperature carbon fibre composites ». View thesis entry in Australian Digital Theses Program, 2001. http://thesis.anu.edu.au/public/adt-ANU20011207.114246/index.html.

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Khattab, Ahmed. « Exploratory development of VARIM process for manufacturing high temperature polymer matrix composites ». Diss., Columbia, Mo. : University of Missouri-Columbia, 2006. http://hdl.handle.net/10355/4186.

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Thesis (Ph. D.)--University of Missouri-Columbia, 2006.
The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file viewed on (month day, year) Vita. Includes bibliographical references.
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Garimella, Narayana. « Multicomponent interdiffusion in austenitic Ni-, Fe-Ni-base alloys and L1₂-Ni₃Al intermetallic for high-temperature applications ». Orlando, Fla. : University of Central Florida, 2009. http://purl.fcla.edu/fcla/etd/CFE0002521.

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Pang, Lisa Yee San. « Thin film diamond : electronic devices for high temperature, high power and high radiation applications ». Thesis, University College London (University of London), 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.313317.

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Callender, Chad M. « Refractory metal to nickel-based alloy joining technologies for high temperature applications ». Auburn, Ala., 2006. http://repo.lib.auburn.edu/2006%20Summer/Theses/CALLENDER_CHAD_35.pdf.

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Livres sur le sujet "HIGH HEAT RESISTANT"

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R, Luise Robert, dir. Applications of high temperature polymers. Boca Raton : CRC Press, 1997.

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S, Stoloff N., et Jones Russell H, dir. Processing and design issues in high temperature materials. Warrendale, Pa : Minerals, Metals & Materials Society, 1996.

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G, Fuchs, et Wahl J, dir. High temperature alloys : Processing for properties. Warrendale, Pa : TMS, 2003.

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(Canada), Nickel Development Institute, dir. Practical guide to high-temperature alloys. Toronto, Ont : Nickel Development Institute, 1990.

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B, Marriott J., Commission of the European Communities. Directorate-General for Energy. et Petten International Conference (1985), dir. High temperature alloys : Their exploitable potential. London : Elsevier Applied Science, 1987.

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High temperature coatings. Amsterdam : Elsevier Butterworth-Heinemann, 2007.

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E, Bullock, dir. Research and development of high temperature materials for industry. London : Elsevier Applied Science, 1989.

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Li, Zhengwei. High temperature corrosion of intermetallics. Hauppauge, N.Y : Nova Science Publishers, 2008.

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United States. National Aeronautics and Space Administration., dir. Development of high Tc (>110K) Bi, TI and Y-based materials as superconducting circuit elements. [Clemson, S.C.?] : Clemson University, Dept. of Ceramic Engineering, College of Engineering, 1992.

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Morel, M. Tailored metal matrix composites for high-temperature performance. [Washington, DC : National Aeronautics and Space Administration, 1992.

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Chapitres de livres sur le sujet "HIGH HEAT RESISTANT"

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Yan, Wei, Wei Wang, Yiyin Shan, Ke Yang et Wei Sha. « Silicon-Bearing High-Chromium Heat-Resistant Steels ». Dans 9-12Cr Heat-Resistant Steels, 45–64. Cham : Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-14839-7_3.

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Bao, Chong Gao, Jian Dong Xing, Yi Min Gao et Enze Wang. « Wear Resistant of Al2O3/Heat-Resistant Steel at High Temperature ». Dans High-Performance Ceramics III, 1119–22. Stafa : Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-959-8.1119.

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Nishimura, Toshiyuki, et Xin Xu. « Introduction : Deformation of Silicon Nitride at High Temperatures ». Dans Fabrication of Heat-Resistant and Plastic-Formable Silicon Nitride, 1–3. Tokyo : Springer Japan, 2015. http://dx.doi.org/10.1007/978-4-431-55384-7_1.

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Zhao, Zhongling, Dan Wang, Lina Yu, Jian Han, Kejin Zhang, Xinran Cui, Tingting Cao et Shuli Chen. « Preparation and Property of High Heat-Resistant Ceramic Composited PET Separator ». Dans Lecture Notes in Electrical Engineering, 89–95. Berlin, Heidelberg : Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-45043-7_9.

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Kobayashi, Akira. « Performance of Thick TiN Composite Coating as High Heat Resistant TBC ». Dans Materials Science Forum, 511–16. Stafa : Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-980-6.511.

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Bershtein, Vladimir A., et Pavel N. Yakushev. « Introduction. About Heat-Resistant Polymer Thermosets Used as Matrices for Nanocomposites ». Dans High-Temperature Polymer Nanocomposites Based on Heterocyclic Networks from Nitrile Monomers, 1–8. Cham : Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-32943-2_1.

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Yang, Huimin. « A Heat Resistant Label Material and Its Application in High Temperature Processing ». Dans Advances in Porcelain Enamel Technology, 77–78. Hoboken, NJ, USA : John Wiley & Sons, Inc., 2010. http://dx.doi.org/10.1002/9780470640906.ch14.

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Ferge, Dirk, Takumi Mio, Toyoki Sugiyama, Satou Fumihiko et Satoshi Shinoda. « Auxiliary power supply system for EPS with high heat-resistant Li-cap ». Dans Proceedings, 505–13. Wiesbaden : Springer Fachmedien Wiesbaden, 2019. http://dx.doi.org/10.1007/978-3-658-26435-2_34.

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Zhou, Yuqing, Dening Zou, Wei Zhang, Yingbo Zhang et Lei Du. « Formation Mechanism of Oxide Scales Grown on X10CrAlSi18 and 310S Heat-Resistant Stainless Steels Under High Temperature in Air ». Dans High Performance Structural Materials, 759–66. Singapore : Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-0104-9_81.

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Fukuda, Yuji, et Masaru Shimizu. « Hot Corrosion and Steam Oxidation Properties of New Heat Resistant Steels for Ultra Super Critical Boilers ». Dans High-Temperature Oxidation and Corrosion 2005, 189–96. Stafa : Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-409-x.189.

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Actes de conférences sur le sujet "HIGH HEAT RESISTANT"

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SHIMURA, M., N. TAKETANI, S. TANNO, H. ASANO et T. ABE. « High-heat-resistant plastic optical fiber ». Dans Optical Fiber Communication Conference. Washington, D.C. : OSA, 1989. http://dx.doi.org/10.1364/ofc.1989.we3.

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Kobayashi, Yuma, Akihiro Tagaya et Yasuhiro Koike. « Analysis of heat shrinkage of uniaxially heat-drawn films and synthesis of heat-resistant temperature-independent zero-birefringence polymer (Conference Presentation) ». Dans Ultra-High-Definition Imaging Systems, sous la direction de Toyohiko Yatagai, Yasuhiro Koike et Seizo Miyata. SPIE, 2018. http://dx.doi.org/10.1117/12.2288980.

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Kanezaki, Noboru. « High Wear and Heat Resistant P/M Valve Guides ». Dans SAE 2000 World Congress. 400 Commonwealth Drive, Warrendale, PA, United States : SAE International, 2000. http://dx.doi.org/10.4271/2000-01-0394.

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Abe, F., F. Masuyama, Y. Sawaragi et K. Kimura. « Validity of High-Temperature Strength Standards for Heat Resistant Steels ». Dans ASME/JSME 2004 Pressure Vessels and Piping Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/pvp2004-2252.

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The ASME allowable stress is evaluated for 2.25Cr-1Mo, Mod.9Cr-1Mo and type 304 (18Cr-8Ni) steels. The change in coefficient for tensile strength for the allowable stress from 1/4 to 1/3.5 causes a shift of boundary temperature between the tensile and creep regions to lower temperature only by 20–30°C, although it increases the allowable stress by 15% in the tensile region for 2.25Cr-1Mo steel. Whether the allowable stress is determined by 80% of the minimum stress or 67% of the average stress to cause rupture at the end of 105 h depends on the width of scatter band of creep rupture. Type 304 steel exhibits large heat-to-heat variation in time to rupture at long times and the 105 h creep rupture stress distinctly depends on impurity contents such as Al. The stress to produce a creep rate of 0.01% /1000h is about 50 MPa lower than the stress to produce a minimum creep rate of 0.01%/1000h, corresponding to 10−5%/h, for 1Cr-0.5Mo steel. This results from the strain accumulation due to easy deformation in the transient or primary creep.
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Araujo, Paulo, José Carlos Teixeira, Dionisio Silveira, Elisabete Silva, Delfim Soares, Raul Fangueiro et Maria Cândida Vilarinho. « Development of Fiber Structures for High Performance Heat Resistant Curtains ». Dans ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-24016.

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Abstract The protection of human life and goods assumes a growing concern in all forms of activities. The fire and smoke curtains have as main role to act as a physical barrier to prevent the fire from spreading between spaces as well as to staunch the smoke and heat transfer to adjacent areas. They can also be easily operated (opening and closing) causing a minimal interference with the flow of materials and humans within confines spaces, such as warehouses and industries, while providing adequate protection. Thus, there are a set of characteristics that these products must exhibit high fire protection, thermal resistance and gas impermeability. The classification of the heat resistance, described in the European Standard BS EN 1634-1: Fire resistance and smoke control tests for door, shutter and, openable window assemblies and elements of building hardware — fire resistance tests for doors, shutters and openable windows, is the procedure that allows determining the response of a product in contributing by its decomposition to a fire to which it is exposed, being according to three criteria: (i) integrity, (ii) insulation and (iii) radiation. Usually curtains are based on fiber-based structures which can be coated to enhance their protective capabilities. In addition, the fibrous structure can be tailored to optimize its behaviour using 2D and 3D complex architectures, with single or multiple materials. The performance assessment of the curtains regarding the aforementioned parameters is performed resorting to several experimental procedures that are detailed in the specific standards. The present paper reports the development of novel fibrous structures used for heat protection curtains. They are based on the various combinations of hybrid structures combining 2 or 3 different yarn materials. The tests are carried out in a purpose built oven that induces a steep temperature rate (approximately 600 °C in 5 min) on one side of the sample followed by a slower rate up to 950 °C in 60 min. The sample is placed under stress during the test in order to mimic that caused by its own weight. Thermocouples monitor the temperature on both sides of the sample and its integrity is assessed by both the occurrence of fabric rupture and smoke release due to ignition. Both the fabric integrity and the temperature on the back side of the sample are an indicator of its performance which follows the European Standard BS EN 13501-2: Fire classification of construction products and building elements. Classification using data from fire resistance tests, excluding ventilation services. From the results one can conclude that hybrid structures, including either basalt and glass fibers, are the most suitable.
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Watanabe, lyoshi, Masayoshi Usui, Seiya Takahata et Teruhisa Takahashi. « High Heat-and-Corrosion Resistant Surface Treatment for Automotive Piping ». Dans SAE Automotive Corrosion and Prevention Conference and Exposition. 400 Commonwealth Drive, Warrendale, PA, United States : SAE International, 1993. http://dx.doi.org/10.4271/932349.

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Vilarinho, Maria Cândida, Paulo Araújo, José Carlos Teixeira, Elisabete Silva, Dionisio Silveira, Delfim Soares, Maria C. Paiva, Daniel Ribeiro et Marisa Branco. « Influence of Coating on High Performance Heat Resistant Textile Curtains ». Dans ASME 2021 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/imece2021-73307.

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Abstract The protection of human life and goods assumes a growing concern in all forms of activities. The fire and smoke curtains act as a physical barrier to prevent the fire from spreading between spaces as well as to staunch the smoke and heat transfer to adjacent areas, while causing minimal interference. Usually, curtains are based on fiber structures that can be coated to enhance their protective capabilities. Also, the fiber structure can be developed into a complex pattern of 2D and 3D threads, with single or multiple materials that can be tailored to optimize its behavior. The thermal and fire protection depends on the fibers, fabric pattern and coatings. The present paper reports the development of novel coated structures of fibers used for fire protection curtains. Basalt and glass fibers are used as yarn materials. Following the certification standards the samples were assessed for their thermal resistance by measuring the temperature differential they provide while their integrity is evaluated. The sample is placed under stress in an attempt to mimic its own weight effect when in service. The temperature is monitored using thermocouples which are placed at both sides of the fabric and the integrity parameter is assessed through the occurrence of fabric rupture and smoke and/or odor release motivated by its deterioration. Regarding the uncoated samples, the one composed of glass-fiber in both directions presents the best thermal performance. The addition of an alumina coating significantly improves the performance of all samples. However, while a thinner (0.05 μm) alumina layer provides better results for the sample with glass-fiber in both warp and weft directions, the behavior of samples composed of glass-fiber and basalt is superior when a thicker (0.3 μm) alumina layer is used. In both cases, an alumina coating application results in an increase of the gradient temperature (between curtain inside/outside temperatures) of about 38.0% (310.0 °C vs. 427.0 °C for the first and 386.0 °C vs. 526.0 °C for the latter.
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Demura, T., M. Fujii, Y. Miyashita, Win Maw Soe, S. Nakajima et T. Goshima. « Development of electro-deposition insulation for high heat-resistant magnet wire ». Dans Proceedings of 2005 International Symposium on Electrical Insulating Materials, 2005. (ISEIM 2005). IEEE, 2005. http://dx.doi.org/10.1109/iseim.2005.193447.

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Ishihama, Kiyoshi, Seiichi Matsumura, Takahisa Funabiki, Yukiko Kushima, Junichi Nakamura, Kenji Kusunoki, Isamu Hiwatashi et Mana Iwaki. « Development of a Plate Heat Exchanger for High-Temperature and High-Pressure ». Dans ASME 2013 Power Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/power2013-98061.

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A gasketed plate heat exchanger that has a seal pressure of 6.5 MPa or more has been developed. This heat exchanger can be applied to heat exchangers (design temperature: 182°C, design pressure: 3.43 MPa) for the residual heat removal (RHR) systems of boiling water reactors (BWR). Practical use of gasketed plate heat exchangers under the condition of higher temperature and higher pressure has been achieved by developing a high-pressure-retaining plate and frame, as well as a heat- and radiation-resistant gasket. Various element tests related to strength and performance were conducted in the process of this development. A verification test using a prototype heat exchanger was also conducted, and pressure resistance, heat resistance, radiation resistance, endurance against thermal transients, and heat transfer performance have been confirmed. As a result of this development, gasketed plate heat exchangers can be applied for use under the condition of higher temperature and higher pressure, and various effects such as lower system flow, smaller footprint, easier maintenance, and lower cost for weld inspection are expected, compared to conventional shell & tube heat exchangers.
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Kesav Kumar, S., S. Krishnamoorthy et S. V. Subba Rao. « Thermophysical Properties Evaluation of High Temperature Resistant Materials by Hot wire Method ». Dans 9th AIAA/ASME Joint Thermophysics and Heat Transfer Conference. Reston, Virigina : American Institute of Aeronautics and Astronautics, 2006. http://dx.doi.org/10.2514/6.2006-3138.

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Rapports d'organisations sur le sujet "HIGH HEAT RESISTANT"

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Kamal, S., C. Grandy, M. Farmer et A. Brunsvold. High strength and heat resistant chromium steels for sodium-cooled fast reactors. Office of Scientific and Technical Information (OSTI), décembre 2004. http://dx.doi.org/10.2172/836536.

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Sutipatanasomboon, Arpaporn. How to Clean and Handle the Different Types of Lab Glassware. ConductScience, juin 2022. http://dx.doi.org/10.55157/cs20220621.

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Lab glassware serves as a vital tool for storing, mixing, and handling biological and chemical substances in laboratories. Thanks to its inert and heat-resistant properties, glassware can withstand high temperatures and is chemically neutral, making it indispensable for various lab applications. Glassware types include borosilicate, which is resistant to high temperatures and corrosion; soda-lime, which is durable but less heat-resistant; and quartz, known for its purity and strength. Different types of lab glassware are designed for specific tasks, such as beakers for mixing and heating, flasks for boiling and distillation, and burettes and pipettes for precise liquid measurement. When handling lab glassware, careful considerations include decontamination, cleaning methods, and adhering to proper usage guidelines to ensure safety and accuracy in laboratory operations.
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Wang, Yong-Yi, Zhili Feng, Wentao Cheng et Sudarsanam Suresh Babu. L51939 Weldability of High-Strength Enhanced Hardenability Steels. Chantilly, Virginia : Pipeline Research Council International, Inc. (PRCI), septembre 2003. http://dx.doi.org/10.55274/r0010384.

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Since the 1970s, the development of high-strength pipeline steels has followed the route of progressively reduced harden ability through lower carbon and alloying element contents. Micro-alloying, controlled rolling (CR), and thermo-mechanical controlled processing (TMCP) have been used extensively to achieve the high-strength and other material property requirements despite the trend towards lower carbon content. The primary driving force behind the evolution of these alloying and processing strategies stems from the concerns over the weld ability, particularly the hydrogen induced cracking (HIC), at ever-increasing strength levels. Accompanying the extensive reliance on micro-alloying, CR, and TMCP, there has been a movement to tighter restrictions on micro-alloy variability, the increased use of heavy reduction at low inter-critical temperatures and, in some instances, the reliance on cold expansion. The objective of this project was to evaluate alternate steels with enhanced harden ability and identify those that would have a potential to (1) meet the high strength/high toughness requirement but without the adverse effects of the early trial heats of micro-alloyed TMCP X80 and X100 line pipe steels, and (2) exhibit sufficient resistance to hydrogen induced cracking (HIC) when welded with processes and consumables representative of state-of-the-art, low-hydrogen field girth welding practices. The focus of the project was on the weld ability and properties of the base metal and the heat-affected zone (HAZ). The selection and development of suitable weld consumables were not part of this project.
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Hansen, Peter J., Zvi Roth et Jeremy J. Block. Improving oocyte competence in dairy cows exposed to heat stress. United States Department of Agriculture, janvier 2014. http://dx.doi.org/10.32747/2014.7598163.bard.

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Original Objectives. The overall goal is to develop methods to increase pregnancy rate in lactating dairy cows exposed to heat stress through methods that minimize damage to the oocyte and embryo caused by heat stress. Objectives were as follows: (1) examine the protective effects of melatonin on developmental competence of oocytes exposed to elevated temperature in vitro; (2) test whether melatonin feeding can improve developmental competence of oocytes in vivo and, if so, whether effects are limited to the summer or also occur in the absence of heat stress; and (3) evaluate the effectiveness of improving fertility by facilitating follicular turnover in the summer and winter. Revised Objectives. (1) Examine protective effects of melatonin and follicular fluid on developmental competence of oocytes exposed to elevated temperature in vitro; (2) examine the protective effects of melatonin on developmental competence of embryos exposed to elevated temperature in vitro; (3) evaluate effectiveness of improving fertility by administering human chorionicgonadotropin (hCG) to increase circulating concentrations of progesterone and evaluate whether response to hCG depends upon genotype for four mutations reported to be related to cow fertility; and (4) identify genes with allelic variants that increase resistance of embryos to heat shock. Background. The overall hypothesis is that pregnancy success is reduced by heat stress because of damage to the oocyte and cleavage-stage embryo mediated by reactive oxygen species (ROS), and that fertility can be improved by provision of antioxidants or by removing follicles containing oocytes damaged by heat stress. During the study, additional evidence from the literature indicated the potential importance of treatment with chorionicgonadotropin to increase fertility of heat- stressed cows and results from other studies in our laboratories implicated genotype as an important determinant of cow fertility. Thus, the project was expanded to evaluate hCG treatment and to identify whether fertility response to hCG depended upon single nucleotide polymorphisms (SNP) in genes implicated as important for cow fertility. We also evaluated whether a SNP in a gene important for cellular resistance to heat stress (HSPA1L, a member of the heat shock protein 70 family) is important for embryonic resistance to elevated temperature. Major conclusions, solutions & achievements. Results confirmed that elevated temperature increases ROS production by the oocyte and embryo and that melatonin decreases ROS. Melatonin reduced, but did not completely block, damaging effects of heat shock on the oocyte and had no effect on development of the embryo. Melatonin was protective to the oocyte at 0.1-1 μM, a concentration too high to be achieved in cows. It was concluded that melatonin is unlikely to be a useful molecule for increasing fertility of heat-stressed cows. Treatment with hCG at day 5 after breeding increased first-service pregnancy rate for primiparous cows but not for multiparous cows. Thus, hCG could be useful for increasing fertility in first-parity cows. The effectiveness of hCG depended upon genotype for a SNP in COQ9, a gene encoding for a mitochondrial-function protein. This result points the way to future efforts to use genetic information to identify populations of cows for which hormone treatments will be effective or ineffective. The SNP in HSPA1L was related to embryonic survival after heat shock. Perhaps, genetic selection for mutations that increase cellular resistance to heat shock could be employed to reduce effects of heat stress on fertility. Implications, both scientific and agricultural. This project has resulted in abandonment of one possible approach to improve fertility of the heat-stressed cow (melatonin therapy) while also leading to a method for improving fertility of primiparous cows exposed to heat stress (hCG treatment) that can be implemented on farms today. Genetic studies have pointed the way to using genetic information to 1) tailor hormonal treatments to cow populations likely to respond favorably and 2) select animals whose embryos have superior resistance to elevated body temperatures.
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Fuchs, Marcel, Ishaiah Segal, Ehude Dayan et K. Jordan. Improving Greenhouse Microclimate Control with the Help of Plant Temperature Measurements. United States Department of Agriculture, mai 1995. http://dx.doi.org/10.32747/1995.7604930.bard.

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A model of the energy balance of a transpiring crop in a greenhouse was developed in a format suitable for use in climate control algorithms aimed at dissipating excess heat during the warm periods. The model's parameters use external climatic variables as input. It incorporates radiation and convective transfer functions related to the operation of control devices like shading screens, vents, fans and enhanced evaporative cooling devices. The model identified the leaf boundary-layer resistance and the leaf stomatal and cuticular resistance as critical parameters regulating the temperature of the foliage. Special experiments evaluated these variables and established their relation to environmental factors. The research established that for heat load conditions in Mediterranean and arid climates transpiring crops maintained their foliage temperature within the range allowing high productivity. Results specify that a water supply ensuring minimum leaf resistance to remain below 100 s m-1, and a ventilation rate of 30 air exchanges per hour, are the conditions needed to achieve self cooling. Two vegetable crops, tomato and sweet pepper fulfilled maintained their leaf resistance within the prescribed range at maturity, i.e., during the critical warm season. The research evaluates the effects of additional cooling obtained from wet pad systems and spray wetting of foliage.
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Lurie, Susan, David R. Dilley, Joshua D. Klein et Ian D. Wilson. Prestorage Heat Treatment to Inhibit Chilling Injury and Delay Ripening in Tomato Fruits. United States Department of Agriculture, juin 1993. http://dx.doi.org/10.32747/1993.7568108.bard.

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The research had two specific goals; (1) to develop and optimize a postharvest heat treatment and characterize the response of tomato to the heat and subsequent cold storage, and (2) to investigate the involvement of heat shock proteins (HSP) in resistance to chilling injury. For the first goal we have investigated many time-temperature treatments using dry heat and found that 48 h at 38oC is optimum for Israeli cultivars, while 48 h at 42oC worked better for American cultivars in preventing chilling injury. We have also compared hot water to hot air and found hot water to be effective, but less so than hot air. Membrane lipid composition in relation to chilling injury was investigated after hot water and hot air treatments. Investigation of fruit ripening found that mRNAs of ripening-related genes were inhibited by high temperature, but recovered during the subsequent storage period and allowed normal ripening to proceed. Sensory studies showed no difference in the taste of heated or nonheated fruit. Following the production of HSP in heated and stored fruit allowed us to determine that during low temperature storage the HSP remained present in the fruit tissue, and their presence was correlated with resistance to chilling injury. HSP clones have been isolated by both differential screening of a cDNA library of heated and chilled tomatoes (Israel) and by mRNA differential display (United States). These clones are being characterized.
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Sabau, Adrian. Review of Thermal Contact Resistance of Flexible Graphite Materials for Thermal Interfaces in High Heat Flux Applications. Office of Scientific and Technical Information (OSTI), octobre 2022. http://dx.doi.org/10.2172/1896991.

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Williams et Maxey. NR198709 Evaluation of a Heat-Treated X80 Grade Pipe. Chantilly, Virginia : Pipeline Research Council International, Inc. (PRCI), avril 1987. http://dx.doi.org/10.55274/r0011140.

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Steel producers have developed in recent years a number of new types of line pipe to meet demand for high strength pipe with superior low temperature toughness and good field weldability. Obtaining independent evaluation of these new products is the objective, so that information on these pipes will be available when construction activities increase. Tests to determine the susceptibility of the pipe to hydrogen-induced stepwise cracking showed it to be susceptible; considerable cracking was observed after exposure to the NACE test solution. The pipe was not produced for use in the transport of sour gas, so a sulfide inclusion shape control addition had not been made. Presumably, resistance to hydrogen-induced stepwise cracking would have been significantly improved if such an addition had been made.
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Taylor, Christopher, Brett Tossey, Taiwu Yu, Yunzhi Wang et Steve Niezgoda. ICME for Advanced Manufacturing of Ni Superalloy Heat Exchangers with High Temperature Creep + Oxidation Resistance for Supercritical CO2. Office of Scientific and Technical Information (OSTI), février 2022. http://dx.doi.org/10.2172/1844170.

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Tompkins, Randy P., et Danh Nguyen. Contactless Mobility, Carrier Density, and Sheet Resistance Measurements on Si, GaN, and AlGaN/GaN High Electron Mobility Transistor (HEMT) Wafers. Fort Belvoir, VA : Defense Technical Information Center, février 2015. http://dx.doi.org/10.21236/ada618164.

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