Abstract—
We report high-temperature synthesis of cast composite materials in the Cr–Mo–Al–C system. (Cr1 – xMox)2AlC -based materials have been prepared for the first time from a Cr2O3 + MoO3 + Al + C powder mixture by self-propagating high-temperature synthesis in the combustion regime. The synthesis was carried out in a 3-L reactor at an argon pressure of 5 MPa. The composition of the starting mixture has been shown to influence the phase composition and structure of the synthesis products. The synthesized materials contain (Cr1 – xMox)2AlC and (MoxCr1 – x)3Al2C phases of variable composition and secondary chromium and molybdenum carbides and intermetallic phases. The materials have been characterized by X-ray diffraction and electron microscopy.
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Gorshkov, V.A., Kovalev, D.Y., Boyarchenko, O.D. et al. High-Temperature Synthesis of Cr–Mo–Al–C Materials. Inorg Mater 57, 1300–1306 (2021). https://doi.org/10.1134/S0020168521120074
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DOI: https://doi.org/10.1134/S0020168521120074