Microstructure and corrosion characteristics of CrCuFeMoNi HEA coatings with different compositions in high-temperature and high-pressure water

被引：15

作者：

Chen, Q. S. ^{[1
]}

Liu, C. H. ^{[1
]}

Long, J. P. ^{[1
]}

Wang, J. ^{[1
]}

Zhang, R. Q. ^{[2
]}

Yang, H. Y. ^{[2
]}

Zhang, W. ^{[3
,4
]}

Yao, F. Y. ^{[1
]}

Zhao, S. ^{[1
]}

Zhang, Q. ^{[1
]}

机构：

[1] Chengdu Univ Technol, Coll Mat & Chem & Chem Engn, Chengdu 610059, Sichuan, Peoples R China

[2] Nucl Power Inst China, Lab Sci & Technol Reactor Fuel & Mat, Chengdu 610041, Sichuan, Peoples R China

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

[4] Sichuan Univ Sci & Engn, Analyt & Testing Ctr, Zigong 643000, Peoples R China

来源：

MATERIALS RESEARCH EXPRESS | 2019年 / 6卷 / 08期

基金：

中国国家自然科学基金;

关键词：

magnetron sputtering; HEA coating; accident-tolerant fuel (ATF); corrosion resistance; HIGH-ENTROPY ALLOYS; OXIDATION RESISTANCE; BEHAVIOR; IRRADIATION;

D O I：

10.1088/2053-1591/ab19ed

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Surface modification technology consists of a coating technique is one important method to improve the operational performance of nuclear fuel cladding. In this paper, different compositions of a CrCuFeMoNi high-entropy alloy (HEA) coating were deposited on a Zr-4 substrate by magnetron cosputtering. The microstructures, mechanical properties and high-temperature corrosion behaviors of the CrCuFeMoNi HEA coatings were investigated. All as-deposited HEAcoatings have an fcc structure and are well adhered to the Zr-4 substrate. The nanoindentation and autoclave test results showed that the as-deposited Cr(0.26)Cu(0.3)Fe(0.1)Mo(0.15)Ni(0.19)HEA coating had superior hardness (12.5 GPa) and high-temperature corrosion resistance relative to others. The corrosion mechanisms of the CrCuFeMoNi HEA coatings with different compositions are also discussed.

引用

页数：10

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