Microstructure and mechanical properties of Mo0.9Cr0.1AlB solid solution

被引：8
作者：
Wang, Ruijie [1 ,2 ]
Wang, Shuai [1 ,3 ]
Xu, Yanjie [4 ]
Pang, Xianjuan [1 ]
Li, Wuhui [2 ]
Yang, Jun [3 ]
Ni, Feng [1 ,2 ]
Zhang, Yongzhen [1 ]
机构：
[1] Henan Univ Sci & Technol, Natl United Engn Lab Adv Bearing Tribol, Luoyang 471023, Peoples R China
[2] Henan Univ Sci & Technol, Sch Mat Sci & Engn, Luoyang 471023, Peoples R China
[3] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China
[4] Luoyang Inst Sci & Technol, Sch Environm Engn & Chem, Luoyang 471023, Peoples R China
来源：
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2023年 / 43卷 / 03期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Mo0.9Cr0.1AlB; Solid solution; Microstructure; Mechanical properties; THERMAL-SHOCK RESISTANCE; MOALB CERAMICS; BEHAVIOR; COMPOSITES; STRENGTH; PHASES; N=1;
D O I：
10.1016/j.jeurceramsoc.2022.10.075
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：
In this study, Mo0.9Cr0.1AlB solid solution ceramic bulks were prepared from the element powder mixtures using hot pressing sintering method. Compared with MoAlB ceramics, the grains of as-prepared Mo0.9Cr0.1AlB were refined obviously. The lattice constants of Mo0.9Cr0.1AlB were confirmed to be a = 3.205 A, b = 13.999 A and c = 3.098 A. The density of Mo0.9Cr0.1AlB was lower than that of MoAlB due to the incorporation of Cr element. In addition, the effect of doping Cr element on the comprehensive mechanical properties was studied as well. The hardness and compressive strength were improved significantly. In comparison with MoAlB ceramic, the improvement of mechanical properties could be attributed to solid solution strengthening and grain refinement.
引用
收藏
页码：824 / 830
页数：7
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