Synthesis and characterization of Cr2AlC with nanolaminated particles

被引：10
|
作者：
Su, Zhongliang [1 ]
Zeng, Shu [1 ]
Zhou, Jian [1 ]
Sun, Zhimei [1 ]
机构：
[1] Xiamen Univ, Dept Mat Sci & Engn, Coll Mat, Xiamen 361005, Peoples R China
来源：
CHINESE SCIENCE BULLETIN | 2014年 / 59卷 / 26期
基金：
美国国家科学基金会; 中国国家自然科学基金;
关键词：
Nanoparticles; Electroceramics; Pressureless sintering; X-ray techniques; HIGH-TEMPERATURE OXIDATION; MECHANICAL-PROPERTIES; CR;
D O I：
10.1007/s11434-014-0315-5
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
In this work, we reported the large-scale and low cost synthesis of high purity Cr2AlC powders with nanolaminated particles by pressureless sintering. The chemical reactions involved in synthesizing Cr2AlC had been studied and discussed. The results showed that the Al contents in the starting materials and sintering temperatures had significant effects on the synthesis and purity of Cr2AlC. The obtained high purity Cr2AlC powders were stable up to at least 1400 A degrees C. The Cr2AlC powders consisted of nanolaminated particles, the size of which was tunable by adjusting sintering time. The present synthesized nanolaminated Cr2AlC powders would be an excellent reinforcement material for metal matrix composites.
引用
收藏
页码：3266 / 3270
页数：5
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