Corrosion behavior of a dual-phase FeNiCrCuAl high entropy alloy in supercritical water

被引：20

作者：

Huang, Xi ^{[1
]}

Zhan, Zixiong ^{[1
]}

Zhao, Qi ^{[1
]}

Liu, Junxiong ^{[1
]}

Wei, Lihua ^{[2
,3
]}

Li, Xiaoyan ^{[1
]}

机构：

[1] East China Univ Technol, Sch Nucl Sci & Engn, 418 Guanglan Rd, Nanchang 330013, Peoples R China

[2] East China Univ Technol, Jiangxi Prov Key Lab Polymer Micro Nano Mfg & Devi, 418 Guanglan Rd, Nanchang 330013, Peoples R China

[3] East China Univ Technol, Sch Chem Biol & Mat Sci, 418 Guanglan Rd, Nanchang 330013, Peoples R China

来源：

CORROSION SCIENCE | 2022年 / 208卷

基金：

中国国家自然科学基金;

关键词：

High entropy alloys; Microstructure characterization; Corrosion kinetics; Oxide films; High temperature corrosion; MARTENSITIC STEEL P92; OXIDE-FILMS; MECHANICAL-BEHAVIOR; OXIDATION BEHAVIOR; STAINLESS-STEEL; BASE ALLOYS; ALUMINUM; RESISTANCE; AL;

D O I：

10.1016/j.corsci.2022.110617

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

High-entropy alloys (HEAs) possess excellent irradiation resistance, however, their corrosion behavior in high temperature water requires further study. The corrosion behavior of a dual-phase FeNiCrCuAl HEA in super-critical water was investigated in this study. The oxidation kinetics follows a parabolic law. An outer FeAl2O4 layer and inner FeCr(2)O(4 )layer formed on the FeCr-rich BCC regions after 100 h of exposure. With an increase in the exposure period, the outer and inner layers gradually transformed into gamma-Al2O3 and CrAl2O4, respectively. An outer gamma-Al2O3 layer and inner NiAl2O4 layer formed on the NiAl-rich BCC regions regardless of the exposure period. Irregular Cu2O particles were deposited on the samples owing to the localized corrosion of the Cu-rich FCC regions.

引用

页数：14

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