Self-propagating high-temperature synthesis of MAX phases in Ti-Zr-Al-C system (C:P15)

被引：4
作者：
Aghajanyan, N. N. [1 ]
Dolukhanyan, S. K. [1 ]
Ter-Galstyan, O. P. [1 ]
Muradyan, G. N. [1 ]
Hovhannisyan, A. A. [1 ]
Nalbandyan, A. B. [1 ]
机构：
[1] Armenian Natl Acad Sci, Inst Chem Phys, Yerevan, Armenia
来源：
CERAMICS INTERNATIONAL | 2023年 / 49卷 / 14期
关键词：
Carbide; Hydride; MAX phase; Self-propagating high-temperature synthesis; TI2ALC; CERAMICS; HYDROGEN; TI3ALC2;
D O I：
10.1016/j.ceramint.2022.11.041
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The paper reports the results of the Self-propagating High-temperature Synthesis (SHS) in ternary Ti-Al-C and quaternary 2xTi - 2(1-x)Zr - Al - C (x = 0.5-0.9) systems, combusted in argon and hydrogen environments. The effect of the initial mixture composition on the microstructure, phase composition, and crystallographic parameters of the synthesized compounds was investigated. Rietveld analysis of X-ray diffraction patterns was used to calculate the lattice parameters and quantitative phase composition. The combustion of the Ti-Al-C system resulted in the formation of Ti2AlC and Ti3AlC2 MAX phases (85-89%), as well as TiCx phase (11-15%). The combustion of Ti-Zr-Al-C system depending on the Ti/Zr ratio and Al and C contents, along with the main Ti2AlC, Ti3AlC2, Zr2AlC MAX phases, the FCC carbides of transition metals also formed. The highest percentage (91%) of MAX phases was produced by SHS of the 0.9Ti+0.1Zr+0.5Al+0.5C mixture in the argon atmosphere.
引用
收藏
页码：24165 / 24170
页数：6
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