High-Temperature Synthesis of Cr-Mo-Al-C Materials

被引：2

作者：

Gorshkov, V. A. ^{[1
]}

Kovalev, D. Yu ^{[1
]}

Boyarchenko, O. D. ^{[1
]}

Sychev, A. E. ^{[1
]}

机构：

[1] Russian Acad Sci, Merzhanov Inst Struct Macrokinet & Mat Sci, Chernogolovka 142432, Moscow Oblast, Russia

来源：

INORGANIC MATERIALS | 2021年 / 57卷 / 12期

关键词：

self-propagating high-temperature synthesis; cast materials; MAX phase; solid solutions; carbides; phase composition; microstructure; MAX-PHASE COMPOUNDS; CERAMICS; SHS;

D O I：

10.1134/S0020168521120074

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report high-temperature synthesis of cast composite materials in the Cr-Mo-Al-C system. (Cr1-xMox)(2)AlC -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)(2)AlC and (MoxCr1-x)(3)Al2C 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.

引用

页码：1300 / 1306

页数：7

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