Effect of Heat Treatment on Microstructure and Aqueous Corrosion Properties of AlCoCrNiFe High Entropy Alloy

被引：0
|
作者：
Saedi, Soheil [1 ]
Korra, Ahmed [2 ]
Raji, Hatim [1 ]
Ibrahim, Hamdy [2 ]
机构：
[1] Florida Inst Technol, Coll Engn & Sci, Dept Mech & Civil Engn, Melbourne, FL 32901 USA
[2] Univ Tennessee, Coll Engn & Comp Sci, Dept Mech Engn, Chattanooga, TN 37403 USA
来源：
CORROSION AND MATERIALS DEGRADATION | 2024年 / 5卷 / 04期
关键词：
corrosion; high entropy alloys; heat treatment; phase transformation; EVOLUTION;
D O I：
10.3390/cmd5040025
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This study examines the effects of heat treatment on corrosion behavior of equiatomic AlCoCrNiFe high-entropy alloy within a solution treatment temperature range of 800-1100 degrees C. Experimental observations on phase formation were compared with thermodynamic predictions. The microstructure, mechanical properties, and aqueous corrosion behavior of the as-deposited alloy were analyzed and contrasted with heat-treated samples. The results showed a decline in the corrosion resistance of the AlCoCrNiFe after heat treatment, which was attributed to chemical segregation and Cr depletion in the microstructure matrix. Additionally, post-corrosion analysis revealed a reduced volume fraction of protective oxides in the heat-treated samples.
引用
收藏
页码：561 / 572
页数：12
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