Effect of Boron on Microstructure and High Temperature Oxidation Properties of AlFeCoNi High Entropy Alloy

被引：0
|
作者：
Hou Lili [1 ]
Guo Qiang [2 ]
Gao Yuyu [3 ]
Yao Yuhong [4 ]
Liu Jiangnan [4 ]
机构：
[1] Shaanxi Polytech Inst, Xianyang 712000, Peoples R China
[2] Western Superconducting Technol Co Ltd, Xian 710018, Peoples R China
[3] Shaanxi Inst Technol, Xian 710300, Peoples R China
[4] Xian Technol Univ, Xian 710021, Peoples R China
来源：
RARE METAL MATERIALS AND ENGINEERING | 2021年 / 50卷 / 09期
关键词：
B atom; high entropy alloy; microstructure; high temperature oxidation; MECHANICAL-PROPERTIES; AL; CR;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
AlFeCoNiBx (x=0.00, 0.15, 0.20) high entropy alloy was prepared by vacuum arc melting, and its microstructure and high temperature oxidation behavior were studied. The results show that the increase of B content leads to the transformation of the alloy from "pure B2 phase" to "B2 phase +(fccr(1)-fcc(2))(eutectic)" After oxidation of AlFeCoNiBx (x=0.00, 0.15, 0.20) at 900 degrees C, with the increase of B content, the thickness of outer CoFe2O4 oxide increases rapidly, while that of inner layer Al2O3 remains unchanged. However, when the content of B exceeds 0.15at%, the continuity of oxide film becomes worse. When the content of B is 0.15at%, the oxidation mass gain is the smallest, the oxide film is well bonded with the alloy substrate, and the oxidation resistance is the best.
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页码：3342 / 3352
页数：11
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