Thermal stability and decomposition paths of MoAlB ceramic

被引：7
|
作者：
Liang, Baoyan [1 ,2 ]
Dai, Zhen [1 ]
Zhang, Wangxi [1 ,2 ]
Li, Qisong [1 ]
Jiao, Mingli [1 ]
Yang, Li [3 ]
Guan, Xiaoyan [1 ]
机构：
[1] Zhongyuan Univ Technol, Mat & Chem Engn Sch, Zhengzhou 450007, Peoples R China
[2] Natl & Local Joint Lab Engn Diamond Technol, Zhengzhou, Peoples R China
[3] Kunming Univ Sci & Technol, Fac Met & Energy Engn, Kunming, Yunnan, Peoples R China
来源：
JOURNAL OF ASIAN CERAMIC SOCIETIES | 2021年 / 9卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Thermal stability; MoAlB; decomposition; BEHAVIOR;
D O I：
10.1080/21870764.2021.1913867
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 thermal stability of MoAlB powder was studied. The effects of vacuum, Ar protection, molten salt treatment, and additives (B and C) on its thermal stability were studied. Results showed that MoAlB powder would react with a small amount of O-2 in the furnace under vacuum and low temperature to form MoB, Al3Mo, B2O3, and Al2O3. At higher temperature, MoAlB first decomposed into MoB and Al. Al was oxidized to Al2O3. The thermal stability of MoAlB powder was better under the protection of Ar. However, molten salt heat treatment and additives such as B and C could promote the decomposition of MoAlB.
引用
收藏
页码：719 / 727
页数：9
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