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Titlebook: Carbon at High Temperatures; Alexander Savvatimskiy Book 2015 Springer International Publishing Switzerland 2015 Blackbody Design.Carbon P

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楼主: cerebral-cortex
发表于 2025-3-26 23:31:40 | 显示全部楼层
Pulse Heating Application to Study High-Pressure Carbon State,y Jon Eggert et al., USA). The more high pressure (terapascal value) is obtained in 2015 year with laser energy up to 0.76 MJ in a 20-ns time to convert diamond to the highest pressure (experiment by R.F. Smith et al. USA).
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Conclusion,nds (as well as graphite),–are important for practice, because refractory carbides and nitrides are included in the coating composition used in gas turbine tracts and nozzles of aircraft, protective plates of missile systems, matrix of nuclear fuels.
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,The First Attempts of Carbon Melting and Obtaining Diamond Phase of Carbon (1911–1939),of carbon in industry is underlined. The clue steady state experimental studies (starting with 1911 year), was discussed up to 1963 year. Particularly the estimation data of Leipunskiy (Russia) are shown to obtain diamond at high pressure (more than 40 kbar) for carbon with dissolved iron and at ele
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,Resistivity and Heat Capacity for Solid Graphite up to 3000 K,p to 3000 K. The specimens were made of commercial graphite POCO; electrical resistivity and heat capacity were obtained against temperature. Temperature was measured with the help of a blackbody model under millisecond current heating (heating rate—from 600 up to 6500 K/s).
发表于 2025-3-28 01:38:25 | 显示全部楼层
Carbon Triple Point (Graphite/Liquid/Vapor), impressive result was obtained only in 1976 (Gokcen) for the pressure at the triple point of carbon (∼120 bar). Study of Shoessov at pressures up to 1000 bar, however, had no progress in temperature measurement. The study only by Haaland (1976) [.] gave a truthful value for the melting temperature
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Stationary Experiments on Physical Carbon Properties (Enthalpy and Thermodynamic Functions) Against up to 4900 K) are discussed. These measurements is stated as the more reliable data among stationary investigations. The resulting data are close to the measurements under fast heating by pulse of electric current. The possible high expansion (50–70 %) of carbon under melting was obtained in some e
发表于 2025-3-28 10:44:55 | 显示全部楼层
Liquid Carbon Properties Against Input Energy Only,ng 1997–2010 years. In spite of the fact that only resistivity and enthalpy were measured the authors gave an important conclusion on the appearing liquid state of carbon and on the dependence of resistance versus pressure. Liquid carbon (at the melting point) diminishes its resistance at a pressure
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