Self-propagating high-temperature synthesis of ceramic materials based on the M n + 1 AX n phases in the Ti-Cr-Al-C system

作者: E. A. Levashov , Yu. S. Pogozhev , D. V. Shtansky , M. I. Petrzhik

DOI: 10.3103/S1067821209020151

关键词: Heat resistanceTitaniumPhase (matter)Ceramic materialsCompactionComposition (visual arts)Materials scienceChromiumCombustionSelf-propagating high-temperature synthesis

摘要: Compact ceramic materials based on the M n + 1 AX phases in Ti-Cr-Al-C system are produced by forced self-propagating high-temperature synthesis (SHS) compaction. The mechanisms of structure and phase formation synthetic products, as well combustion macrokinetics SHS mixture, studied. Complex investigations structure, composition, physical mechanical properties new Ti 2 - x Cr AlC synthesized at different charging parameters ( = 0, 0.5, 1, 1.5, 2) per- formed. highest content (96-98%) composition products is found to be samples where just one host elements (titanium 0) or chromium 2)) present. pro- duced have a high heat resistance, increase concentration favorable an appreciable growth resistance oxidation.

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