Effect of annealing temperature on the microstructure evolution and corrosion behavior of Carbon-interstitial FeMnCoCrNi high-entropy alloys

被引：19

作者：

Jin, Zijing ^{[1
]}

An, Fengchao ^{[2
]}

Li, Shuxin ^{[1
]}

Cui, Zhongyu ^{[3
]}

Lu, Wenjun ^{[2
]}

Lu, Siyuan ^{[1
]}

机构：

[1] Ningbo Univ, Sch Mech Engn & Mech, Part Rolling Key Lab Zhejiang Prov, Key Lab Impact & Safety Engn, Ningbo 315211, Peoples R China

[2] Southern Univ Sci & Technol, Dept Mech & Energy Engn, Shenzhen 518055, Peoples R China

[3] Ocean Univ China, Sch Mat Sci & Engn, Qingdao 266100, Peoples R China

来源：

CORROSION SCIENCE | 2024年 / 228卷

基金：

中国国家自然科学基金;

关键词：

High-entropy alloys; Heat treatments; Corrosion resistance; Precipitation; STAINLESS-STEEL; PASSIVE FILM; ELECTROCHEMICAL POLARIZATION; PITTING CORROSION; PERFORMANCE; MECHANISM; DESIGN;

D O I：

10.1016/j.corsci.2023.111813

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The microstructure evolution, corrosion resistance, and passive -film properties of an interstitial FeMnCoCrNi high -entropy alloys annealed at different temperature were investigated. Deformation twins, Strip -shape and ellipsoidal M23C6 carbides are remained within grains and precipitated along the grain boundaries of the HEAs annealed at 500 and 700 degrees C. The 900 degrees C annealed i-Cantor alloys are fully recrystallized without deformation twins and precipitated with round M23C6 carbides. The corrosion resistance of the cold -rolled HEAs was deteriorated by annealing at 500 and 700 degrees C, but improved by annealing at 900 degrees C, which decreases the dislocation densities and depresses the Cr-depleted regions in i-Cantor alloys.

引用

页数：17

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