The dependence of thermal stability on morphology in eutectic high-entropy alloys

被引：0
|
作者：
Xie, Tongbin [1 ]
Xiong, Zhiping [2 ]
Chen, Kaixuan [1 ]
Zu, Guoqing [3 ]
Cheng, Xingwang [2 ]
机构：
[1] Aviat Ind Corp China, China Aeropolytechnol Estab, Beijing 100028, Peoples R China
[2] Beijing Inst Technol, Sch Mat Sci & Engn, Natl Key Lab Sci & Technol Mat Shock & Impact, Beijing 100081, Peoples R China
[3] Changchun Univ Technol, Key Lab Adv Struct Mat, Minist Educ, Changchun 130012, Jilin, Peoples R China
来源：
MATERIALS LETTERS | 2024年 / 362卷
关键词：
High -entropy alloy; Metals and alloys; Microstructure; Thermal stability;
D O I：
10.1016/j.matlet.2024.136113
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In order to explore the thermal stability of eutectic high-entropy alloys (EHEAs), two EHEAs with regular lamellae and irregular lamellae are specifically investigated. Regular lamellae exhibit much better thermal stability than irregular lamellae predominantly due to the existence of an orientation relationship between FCC and Laves phases in the regular lamellae. As a result, the regular lamellae shows relatively constant plasticity after annealing up to 900 degrees C; whereas, the plasticity is deteriorated in the irregular lamellae due to microstructure coarsening.
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页数：5
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