Microstructure response and LBE corrosion behavior of the FeCrAlY coating after Au-ions irradiation

被引：0

作者：

Zhang, Wei ^{[1
]}

Deng, Jiuguo ^{[1
]}

Zhong, Yilong ^{[1
]}

Liu, Hao ^{[1
]}

Long, Ziyao ^{[2
]}

Wang, Rongshuo ^{[1
]}

Li, Yudong ^{[1
]}

Qu, Guofeng ^{[1
]}

Zhou, Mingyang ^{[2
]}

Yang, Jijun ^{[1
]}

机构：

[1] Sichuan Univ, Inst Nucl Sci & Technol, Key Lab Radiat Phys & Technol, Minist Educ, Chengdu 610064, Peoples R China

[2] Nucl Power Inst China, Sci & Technol Reactor Syst Design Technol Lab, Chengdu 610213, Peoples R China

来源：

CORROSION SCIENCE | 2024年 / 241卷

基金：

中国国家自然科学基金;

关键词：

Au-ions irradiation; LBE corrosion; FeCrAlY coating; 550; DEGREES-C; MECHANICAL-PROPERTIES; POINT-DEFECTS; LEAD ALLOY; CLAM STEEL; T91; RESISTANCE; OXIDATION; AL; TRANSPORT;

D O I：

10.1016/j.corsci.2024.112521

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The microstructure and LBE corrosion behavior of the irradiated (up to 110 dpa) Fe15Cr11Al0.5Y coatings were investigated. The surface roughness and hardness increased with the irradiation dose. Irradiation induces grain growth, and the grown grains contain many dislocations, but no segregation and voids. Irradiation accelerates the corrosion rate of the coating, and the irradiated coatings suffer from serious inward non-uniform growth of the Al2O3 layer. The reaction of Al2O3 with PbO promoted the formation of the outermost PbAl2O4 of the irradiated coating. A "competitive mechanism" was proposed to explain the evolution of the corrosion behavior of the irradiated coatings.

引用

页数：19

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