Letteratura scientifica selezionata sul tema "High temperature"

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Articoli di riviste sul tema "High temperature"

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Uludag, Alper, e Dilek Turan. "SiAlON Ceramics for the High Temperature Applications: High Temperature Creep Behavior". International Journal of Materials, Mechanics and Manufacturing 3, n. 2 (2015): 105–9. http://dx.doi.org/10.7763/ijmmm.2015.v3.176.

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V.Seryotkin, Yurii, Werner Joswig, Vladimir V. Bakakin, Igor A. Belitsky e Boris A. Fursenko. "High-temperature crystal structure of wairakite". European Journal of Mineralogy 15, n. 3 (10 giugno 2003): 475–84. http://dx.doi.org/10.1127/0935-1221/2003/0015-0475.

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Leszczyński, Juliusz, Piotr Klimczyk, Krzysztof Wojciechowski e Andrzej Koleżyński. "Studies on high pressure-high temperature synthesis of carbon clathrates". Mechanik, n. 5-6 (maggio 2016): 512–13. http://dx.doi.org/10.17814/mechanik.2016.5-6.62.

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Singh, Hempal, Anu Singh, Vinod Ashokan e B. D. Indu B. D. Indu. "Signature of Anharmonicities in High Temperature Superconductors". Indian Journal of Applied Research 3, n. 4 (1 ottobre 2011): 35–38. http://dx.doi.org/10.15373/2249555x/apr2013/134.

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Dombal, Richard F. De, e Michael A. Carpenter. "High-temperature phase transitions in Steinbach tridymite". European Journal of Mineralogy 5, n. 4 (22 luglio 1993): 607–22. http://dx.doi.org/10.1127/ejm/5/4/0607.

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Morris, D. G., e M. A. Muñoz-Morris. "High temperature mechanical properties of iron aluminides". Revista de Metalurgia 37, n. 2 (30 aprile 2001): 230–39. http://dx.doi.org/10.3989/revmetalm.2001.v37.i2.471.

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Mikheenko, P. N. "Discrete temperatures in high-temperature superconductors". Physica C: Superconductivity 311, n. 1-2 (gennaio 1999): 1–10. http://dx.doi.org/10.1016/s0921-4534(98)00620-0.

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Kim. "A Comparison of Residual Tensile Properties of GFRP Reinforcing Bar at High Temperature and after Exposure to High Temperature". Journal of the Korean Society of Civil Engineers 35, n. 1 (2015): 77. http://dx.doi.org/10.12652/ksce.2015.35.1.0077.

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Lansdown, A. R. "High-Temperature Lubrication". Proceedings of the Institution of Mechanical Engineers, Part C: Mechanical Engineering Science 204, n. 5 (settembre 1990): 279–91. http://dx.doi.org/10.1243/pime_proc_1990_204_109_02.

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Abstract (sommario):
The maximum temperature at which a mechanical system can operate is often determined by the need for lubrication. The paper considers the various heat sources, ambient temperature, mechanical or chemical inputs, and flash temperatures, and discusses their influence on different types of lubrication. The actual temperature limitations are imposed by physical or chemical changes in the lubricant itself, or by changes in a specific lubrication mechanism such as adsorption. The nature of these types of change is described, together with the dominant importance of residence time on the extent of deterioration. Some actual temperature limits for particular lubricants are listed, and the paper suggests some possible design techniques for extending the upper temperature limits for lubrication.
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Thiéblot, Laurent, Jacques Roux e Pascal Richet. "High-temperature thermal expansion and decomposition of garnets". European Journal of Mineralogy 10, n. 1 (26 gennaio 1998): 7–16. http://dx.doi.org/10.1127/ejm/10/1/0007.

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Tesi sul tema "High temperature"

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Wu, Xu. "Development of high temperature PEMFC and high temperature PEMWE". Thesis, University of Newcastle Upon Tyne, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.555981.

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Polymer electrolyte membrane fuel cells (PEMFC) and polymer electrolyte membrane water electrolysers (PEMWE) are promising electrochemical energy conversion devices. This thesis describes research carried out on high temperature PEMFC and PEMWE. High temperature (> 100 QC) operation is one of the most topical research trends of PEMFC and PEMWE, because of the operational and kinetic advantages it can provide. In this research, an anhydrous solid electrolyte, Sb-doped SnP207 was prepared and characterized. The synthesis parameters, microstructure, and conductivity of Sb-doped SnP207 were studied. The Sbo.2Sno.gP207 exhibited good conductivity (0.01-0.l S cm") in the temperature range 100-300 QC, and was initially applied in PEMFCs at intermediate temperatures (200-300 QC). Research into development of polymer acid complex membranes for high temperature PEMFCs, including phosphoric acid and sulphuric acid - doped polybenzimidazole membranes, was also carried out. The maximum power density of high temperature PEMFCs achieved was 0.5-0.7 W cm-2. For high temperature PEMWEs, firstly, Sn and Ir stabilized RU02 nanopartic1es were synthesized and studied as catalysts for the oxygen evolution reaction (OER). Iro.7RUo.302 nanopartic1es were found to be the most stable and active catalysts for OER. Research to develop a catalysts coated membrane (CCM) method for PEMWE membrane electrode assembly (MEA) fabrication is described. A high performance PEMWE was developed by studying fabrication parameters of the CCM method and optimizing electrode compositions of MEAs. High temperature (> 1 00 QC) PEMWE was eventually realized, using a perfluorinated silica composite membrane. The voltage achieved at 1 A cm-2 current density of PEMWE was 1.51 V at 140 QC and 4 bar pressure. The final part of this thesis describes work on catalyst support materials, which are essential for reducing noble metal loading in PEMWEs. Although the costs of PEMFCs and PEMWEs are still high, which is due to noble metal catalysts and expensive membranes, high temperature operation (> 100 QC) can help both devices be more competitive for energy conversion applications.
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Patterson, Peter A. "High temperature cyclones". Thesis, McGill University, 1989. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=75974.

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Gas-solids separation was studied in a 102 mm diameter conventional cyclone operated with air heated to temperatures between 300 K and 2 000 K. Cyclone pressure drops, fractional and overall collection efficiencies were measured as functions of temperature, gas throughput, dust loading and cyclone geometry. Alumina and silica of 100% less than 44 $ mu$m mass median diameter were used as test dusts. Inlet velocities ranged from 3 to 42 m/s and inlet dust loadings were between 0.3 and 235 g/m$ sp3$.
Empirical models were derived to correlate the experimental results for the cyclone collection efficiency, pressure drop, tangential velocity and 50% cut size. The performance of the cyclones at very high temperatures was not significantly different from the room temperature behavior, provided that the effect of temperature on particle, gas and flow properties was adequately treated.
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Black, Victoria J. "High temperature supercapacitors". Thesis, Loughborough University, 2013. https://dspace.lboro.ac.uk/2134/12490.

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The scientific objective of this research program was to determine the feasibility of manufacturing an ionic liquid-based supercapacitor that could operate at temperatures up to 220 °C. A secondary objective was to determine the compatibility of ionic liquids with other cell components (e.g. current collectors) at high temperature and, if required, consider means of mitigating any problems. The industrial motivation for the present work was to develop a supercapacitor capable of working in the harsh environment of deep offshore boreholes. If successful, this technology would allow down-hole telemetry under conditions of mechanical vibration and high temperature. The obstacles, however, were many. All supercapacitor components had to be stable against thermal decomposition up to T ≥ 220 °C. Volatile components had to be eliminated. If possible, the finished device should be able to withstand voltages greater than 4 V, in order to maximise the amount of stored energy. The internal resistance should be as low as possible. Side reactions, particularly faradaic reactions, should be eliminated or suppressed. All liquid components should be gelled to minimise leakage in the event of cell damage. Finally, any emergent problems should be identified.
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Hernandez, Sinuhe. "High Temperature Wear Processes". Licentiate thesis, Luleå tekniska universitet, Maskinelement, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-16827.

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Moving machine assemblies are increasingly exposed to extreme operating conditions involving high temperatures owing to demands on higher power densities, high performance/efficiency and extreme environments. The changes in surface and near surface properties of contacting surfaces caused by exposure to high temperature and deformation govern the occurrence of friction, wear and material transfer of the tribological system. However, these changes have not been thoroughly investigated. In order to enable development of new products and processes, there is a need for new knowledge pertaining to tribological phenomena occurring at elevated temperatures.One of the most commonly used engineering materials is steel as it offers a good compromise between performance and cost even at high temperatures. For example, prehardened (quenched and tempered) tool steels are commonly used in hot forming dies can also be employed in other technological applications involving elevated temperatures. Although the research pertaining to hot stamping, and high temperature tribology in general, has significantly grown during the last years there are still knowledge gaps that need to be bridged. Adhesion and abrasion have been identified as the most dominant wear mechanisms in high temperature tribological systems but the detailed understanding of the mechanisms is still inadequate.The objective of this work is therefore to obtain a deeper understanding of the tribological phenomena associated with adhesion and abrasion that takes place at high temperatures. Unidirectional sliding wear tests have been conducted in order to investigate the influence of contact pressure and temperature on the wear and friction characteristics of tool steel and boron steel pair. Tribological studies involving boron steel, tool steels and heat-treated high-Si steels in a three body abrasive environment were also carried out with a view to explore the effect of temperature on the wear rate, wear mechanisms and to correlate this with material properties like hot hardness and toughness.The results from the unidirectional sliding tests showed that the frictional behaviour of tool steel and boron steel is load and temperature dependent. In general the friction coefficient decreases as both temperature and load are increased as a result of the formation of oxide layers. At temperatures above 200 °C, the compaction and sintering of these layers led to the formation of a wear protective glaze layer. Consequently, the wear rate for both materials decreased at elevated temperatures. Additionally, a friction and wear mechanisms map was developed for the investigated materials.In the case of abrasive wear tests, the results showed that the main wear mechanism presented for each material varied with temperature. In general, a transition from micro-ploughing to a combination of micro-cutting and micro-ploughing was present. The tool steels and boron steel showed a decrease in wear rate in the range of 100 to 400 °C compared to that at room temperature. This was attributed to the toughness in case of the tool steel and the formation of a protective tribolayers for the boron steel. Above 400 °C the wear rate increased for these three materials mainly due to the recovery and recrystallization processes. The wear rate of the high-Si steels increased with testing temperature. At 500 °C, these steels had the same hardness and the differences in wear were attributed to the changes in the material toughness.
Godkänd; 2014; 20140408 (sinher); Nedanstående person kommer att hålla licentiatseminarium för avläggande av teknologie licentiatexamen. Namn: Sinuhe Hernandez Ämne: Maskinelement/Machine Elements Uppsats: High Temperature Wear Processes Examinator: Professor Braham Prakash, Institutionen för teknikvetenskap och matematik, Luleå tekniska universitet Diskutant: Assoc. Prof. Ph.D; Head, Metallic Materials and Tech. Dept. Bojan Podgornik, Institute of Metals and Technology, Ljubljana, Slovenia Tid: Fredag den 16 maj 2014 kl 10.00 Plats: E231, Luleå tekniska universitet
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Lev, Leonid C. (Leonic Charles). "High temperature ceramic composites". Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/38078.

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Heczko, Milan. "High Temperature Deformation Mechanisms". Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-391818.

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Dvě pokročilé vysoce legované austenitické oceli s Fe-Ni-Cr matricí byly studovány za podmínek nízkocyklové únavy jak za pokojové tak vysoké teploty. Široká škála experimentálních a charakterizačních nástrojů byla použita ke studiu vzájemně souvisejících aspektů zahrnujících chemické složení slitin, mikrostrukturu, deformační mechanismy a celkovou odezvu materiálů na externě působící zatížení. Klíčové mechanismy a faktory definující mechanické vlastnosti a výkonnost v reálném provozu byly analyzovány a diskutovány v souvislosti s materiálovým designem. • Standardní únavové experimenty byly provedeny za pokojové teploty a teploty 700°C. Byly získány křivky cyklického zpevnění/změkčení, cyklické deformační křivky, Coffin-Manson a Wöhlerovy křivky. • Ke studiu změn mikrostrukturního stavu slitin v důsledku cyklického zatěžování za pokojové a zvýšené teploty byla použita široká škála technik charakterizace pomocí elektronové mikroskopie. • Únavové chování, pevnost a cyklická plastická odezva studovaných materiálů byla vysvětlena v souvislosti s mikrostrukturními změnami a mikrostrukturními aspekty deformačních mechanismů jak za pokojové tak za zvýšených teplot. • Bylo zjištěno, že Sanicro 25 vykazuje nejvyšší pevnostní charakteristiky ze všech materiálů stejné třídy. Výjimečné vlastnosti této slitiny jsou spojeny s populacemi dvou typů nanočástic, koherentními precipitáty bohatými na měď a nanočásticemi typu MX s charakteristikou disperzoidu. Tyto nanočástice mají klíčový vliv na pevnost a celkovou cyklickou odezvu. V důsledku interakcí s precipitáty způsobujících zachytávání je pohyb dislokací v Sanicro 25 významně zpomalen, což vede k potlačení normálních procesů zotavení obvykle vedoucích ke změně uspořádání dislokační struktury tak, aby byla celková vnitřní energie systému co nejnižší. Takové uspořádání je tvořeno například dislokačními buňkami. Jelikož jsou procesy zotavení potlačeny, dislokační struktura za vysokých teplot je charakteristická homogenní distribucí dislokací o vysoké hustotě s velkou mírou vzájemných interakcí. V kombinaci s dalšími mechanismy zpevnění jako jsou precipitáty a substituční prvky v tuhém roztoku, tyto deformační mechanismy vedou k významnému zvýšení cyklické pevnosti za vysokých teplot.
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Hout, S. R. in't. "High-temperature silicon sensors". Delft, the Netherlands : Delft University Press, 1996. http://books.google.com/books?id=dApTAAAAMAAJ.

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Ohi, Shugo. "High temperature orthorhombic pyroxene --Phase transition between low and high temperature orthorhombic pyroxene and phase relation in enstatite-diopside system at high temperature--". 京都大学 (Kyoto University), 2009. http://hdl.handle.net/2433/124430.

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Xu, Juncheng. "High Temperature High Bandwidth Fiber Optic Pressure Sensors". Diss., Virginia Tech, 2005. http://hdl.handle.net/10919/25988.

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Pressure measurements are required in various industrial applications, including extremely harsh environments such as turbine engines, power plants and material-processing systems. Conventional sensors are often difficult to apply due to the high temperatures, highly corrosive agents or electromagnetic interference (EMI) noise that may be present in those environments. Fiber optic pressure sensors have been developed for years and proved themselves successfully in such harsh environments. Especially, diaphragm based fiber optic pressure sensors have been shown to possess advantages of high sensitivity, wide bandwidth, high operation temperature, immunity to EMI, lightweight and long life. Static and dynamic pressure measurements at various locations of a gas turbine engine are highly desirable to improve its operation and reliability. However, the operating environment, in which temperatures may exceed 600 °C and pressures may reach 100 psi (690 kPa) with about 1 psi (6.9kPa) variation, is a great challenge to currently available sensors. To meet these requirements, a novel type of fiber optic engine pressure sensor has been developed. This pressure sensor functions as a diaphragm based extrinsic Fabry-Pérot interferometric sensor. One of the unique features of this sensor is the all silica structure, allowing a much higher operating temperature to be achieved with an extremely low temperature dependence. In addition, the flexible nature of the sensor design such as wide sensitivity selection, and passive or adaptive temperature compensation, makes the sensor suitable for a variety of applications An automatically controlled CO2 laser-based sensor fabrication system was developed and implemented. Several novel bonding methods were proposed and investigated to improve the sensor mechanical ruggedness and reduce its temperature dependence. An engine sensor testing system was designed and instrumented. The system generates known static and dynamic pressures in a temperature-controlled environment, which was used to calibrate the sensor. Several sensor signal demodulation schemes were used for different testing purposes including a white-light interferometry system, a tunable laser based component test system (CTS), and a self-calibrated interferometric-intensity based (SCIIB) system. All of these sensor systems are immune to light source power fluctuations, which offer high reliability and stability. The fiber optic pressure sensor was tested in a F-109 turbofan engine. The testing results prove the sensor performance and the packaging ruggedization. Preliminary laboratory and field test results have shown great potential to meet not only the needs for reliable and precise pressure measurement of turbine engines but also for any other pressure measurements especially requiring high bandwidth and high temperature capability.
Ph. D.
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Giordano, Valentina. "High-pressure high-temperature phases of carbon dioxide". Paris 6, 2006. http://www.theses.fr/2006PA066529.

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Libri sul tema "High temperature"

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V, Subramanyam S., e Gopal, E. S. R. 1936-, a cura di. High temperature superconductors. New York: Wiley, 1989.

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Burns, Gerald. High-temperature superconductivity: An introduction. Boston: Academic Press, 1992.

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High temperature corrosion. London: Elsevier Applied Science, 1988.

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Tunstall, D. P., W. Barford e P. Osborne. High Temperature Superconductivity. Boca Raton: CRC Press, 2021. http://dx.doi.org/10.1201/9781003209621.

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Saxena, Ajay Kumar. High-Temperature Superconductors. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-00712-5.

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Plakida, Nikolai M. High-Temperature Superconductivity. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-78406-4.

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Willander, M., e H. L. Hartnagel, a cura di. High Temperature Electronics. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-1197-3.

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Saxena, Ajay Kumar. High-Temperature Superconductors. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-28481-6.

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Bhattacharya, Raghu, e M. Parans Paranthaman, a cura di. High Temperature Superconductors. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2010. http://dx.doi.org/10.1002/9783527631049.

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Skelton, R. P., a cura di. High Temperature Fatigue. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3453-5.

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Capitoli di libri sul tema "High temperature"

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Skelton, R. P. "Historical Introduction: Stresses, Strains and Material Behaviour". In High Temperature Fatigue, 1–25. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3453-5_1.

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Skelton, R. P. "Cyclic Stress-Strain Properties During High Strain Fatigue". In High Temperature Fatigue, 27–112. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3453-5_2.

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Miller, D. A., e R. H. Priest. "Materials Response to Thermal-Mechanical Strain Cycling". In High Temperature Fatigue, 113–75. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3453-5_3.

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Plumbridge, W. J. "Metallography of High Temperature Fatigue". In High Temperature Fatigue, 177–228. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3453-5_4.

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Hales, R. "The Physical Metallurgy of Failure Criteria". In High Temperature Fatigue, 229–59. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3453-5_5.

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Thomas, G. B. "The Case for Standards in High Temperature Fatigue". In High Temperature Fatigue, 261–99. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3453-5_6.

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Skelton, R. P. "The Relation Between Laboratory Specimen and the Practical Case". In High Temperature Fatigue, 301–19. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3453-5_7.

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Saxena, Ajay Kumar. "The Phenomenon: Occurrence and Characteristics". In High-Temperature Superconductors, 1–41. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-28481-6_1.

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Saxena, Ajay Kumar. "Crystal Structure of High Temperature Superconductors". In High-Temperature Superconductors, 43–60. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-28481-6_2.

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Saxena, Ajay Kumar. "Critical Current". In High-Temperature Superconductors, 61–99. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-28481-6_3.

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Atti di convegni sul tema "High temperature"

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Tranquada, J. M. "Experimental evidence for topological doping in the cuprates". In High temperature superconductivity. AIP, 1999. http://dx.doi.org/10.1063/1.59636.

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Panas, Itai. "Microscopic theory for high-T[sub c] superconductivity". In High temperature superconductivity. AIP, 1999. http://dx.doi.org/10.1063/1.59584.

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Phillips, J. C. "Filamentary dopant condensation in HgBa[sub 2]CuO[sub 4+δ]". In High temperature superconductivity. AIP, 1999. http://dx.doi.org/10.1063/1.59585.

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Shafranjuk, S. E. "Spontaneous ferroelectric state induced by external fields in a high T[sub c] superconductor". In High temperature superconductivity. AIP, 1999. http://dx.doi.org/10.1063/1.59608.

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Sinha, K. P. "The fermion-lochon model and the pseudogap in cuprate superconductors". In High temperature superconductivity. AIP, 1999. http://dx.doi.org/10.1063/1.59609.

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Cohn, Joshua L. "1/8 doping anomalies and oxygen vacancies in underdoped superconducting cuprates". In High temperature superconductivity. AIP, 1999. http://dx.doi.org/10.1063/1.59620.

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Norman, M. R. "Fermi surfaces, fermi patches, and fermi arcs in high T[sub c] superconductors". In High temperature superconductivity. AIP, 1999. http://dx.doi.org/10.1063/1.59631.

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Anderson, Philip W. "RVB revisited". In High temperature superconductivity. AIP, 1999. http://dx.doi.org/10.1063/1.59578.

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Chen, Qijin, Ioan Kosztin, Boldizsár Jankó e K. Levin. "A BCS–Bose-Einstein crossover theory and its application to the cuprates". In High temperature superconductivity. AIP, 1999. http://dx.doi.org/10.1063/1.59579.

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Demler, Eugene, e Shou-Cheng Zhang. "Resonant neutron scattering on the high Tc cuprates and π and η excitations of the t-J and Hubbard models". In High temperature superconductivity. AIP, 1999. http://dx.doi.org/10.1063/1.59580.

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Rapporti di organizzazioni sul tema "High temperature"

1

Payer. L51904 High Temperature Performance of Existing Pipeline Coatings. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), gennaio 2003. http://dx.doi.org/10.55274/r0011155.

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Abstract (sommario):
The objective was to establish the performance of commonly used pipeline-coating materials over the temperature range from 120F to 200F (49C to 93C). The results are useful for the prediction of in-service limitations, integrity and time-to-failure of coatings. Results at higher temperature are directly relevant to pipelines operating at higher temperatures. In addition, elevated temperature has been an accelerating factor used to predict performance at longer times at ambient temperature.
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2

Wilkowski, G. M., D. Rudland, P. Mincer, B. Metrovich e D. Rider. L52249 Failure Initation Modes of Pipe with High Charpy Transition Temperature. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), maggio 2007. http://dx.doi.org/10.55274/r0012041.

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Abstract (sommario):
This report presents a methodology that determines the lowest temperature where ductile fracture would occur for either sharp cracks or blunt corrosion flaws in older low-toughness line pipe base metals. It is applicable to either axial or circumferential flaws in pipes under quasi-static loading, i.e., normal operating conditions with no sudden transient loads. The results showed that ductile initiation of a surface crack can occur at a significantly lower temperature than the Charpy transition temperature. A master curve of transition temperatures for different pipe thickness and crack geometries was developed and validated on 1927 and 1948 vintage pipes. The master-curve of transition temperatures comes from accounting for thickness effects, loading-rate effects, and constraint effects (for a surface crack) on the transition temperatures of the flawed pipe relative to the Charpy transition temperature. These transition temperature shifts were empirically determined from hundreds of past full-scale tests and literally thousands of laboratory tests, and then checked against data developed on much older vintage line pipe steels, i.e., the 1927 and 1948 pipes in this project.
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3

DeWeese, Mary E., Mary E. DeWeese, Robert A. Kamper e Ronald M. Powell. High-temperature superconductivity. Gaithersburg, MD: National Institute of Standards and Technology, 1988. http://dx.doi.org/10.6028/nist.sp.759.

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4

Eckstein, James N. High Temperature Superconductivity. Fort Belvoir, VA: Defense Technical Information Center, settembre 1992. http://dx.doi.org/10.21236/ada257789.

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5

Eckstein, James N. High Temperature Superconductivity. Fort Belvoir, VA: Defense Technical Information Center, marzo 1990. http://dx.doi.org/10.21236/ada219483.

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6

DeWeese, Mary E., e Mary E. DeWeese. High-temperature superconductivity. Gaithersburg, MD: National Institute of Standards and Technology, 1991. http://dx.doi.org/10.6028/nist.sp.826.

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7

Wilkowski, Gery. L52249 Failure Initiation Modes of Pipe with High Charpy Transition Temperature. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), gennaio 2004. http://dx.doi.org/10.55274/r0010352.

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Abstract (sommario):
This project was developed to establish a general methodology to; (a) determine a simple way to assess what is the lowest temperature where ductile crack initiation will occur for a sharp crack or a blunt flaw (i.e., corrosion), (b) to developed several optional approaches to predict the transition temperature shifts that depend on what type of lab specimen data are available, and (c) show validation from past tests as well as by conducting tests on older vintage linepipe steels. This report presents a methodology that determines the lowest temperature where ductile fracture would occur for either a sharp cracks or blunt corrosion flaws in older low-toughness linepipe base metals. It is applicable to either axial or circumferential flaws in pipes under quasi-static loading, i.e., normal operating conditions with no sudden transient loads. The results showed that ductile initiation of a surface crack can occur at a significantly lower temperature than the Charpy transition temperature. A master curve of transition temperatures for different pipe thickness and crack geometries was developed and validated on 1927 and 1948 vintage pipes. The master-curve of transition temperatures comes from accounting for thickness effects, loading-rate effects, and constraint effects (for a surface crack) on the transition temperatures of the flawed pipe relative to the Charpy transition temperature. These transition temperature shifts were empirically determined from hundreds of past full-scale tests and literally thousands of laboratory tests, and then checked against data developed on much older vintage linepipe steels, i.e., the 1927 and 1948 pipes in this project.
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8

Lyding, Joseph. Ultra High Speed High Temperature Motor. Office of Scientific and Technical Information (OSTI), aprile 2022. http://dx.doi.org/10.2172/1876185.

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9

John Kosek. High Temperature Capacitor Development. Office of Scientific and Technical Information (OSTI), giugno 2009. http://dx.doi.org/10.2172/1015456.

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10

Furth, H. P. High-temperature plasma physics. Office of Scientific and Technical Information (OSTI), marzo 1988. http://dx.doi.org/10.2172/5093874.

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