Effect of Nb content on microstructure, mechanical property, high-temperature corrosion and oxidation resistance of CrNb coatings for accident tolerant fuel cladding

被引：19
|
作者：
Su, Hanxuan [1 ]
Wu, Xiaoyong [2 ]
Wu, Lu [2 ]
Zhao, Sha [1 ]
Zhong, Yuxin [1 ]
Ning, Zhien [2 ]
Liu, Ning [1 ]
Yang, Jijun [1 ]
机构：
[1] Sichuan Univ, Key Lab Radiat Phys & Technol, Minist Educ, Inst Nucl Sci & Technol, Chengdu 610064, Peoples R China
[2] Nucl Power Inst China, First Sub Inst, Chengdu 610041, Peoples R China
来源：
INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS | 2023年 / 110卷
基金：
中国国家自然科学基金;
关键词：
CrNb coating; Accident tolerant fuel; Zr cladding; Magnetron sputtering; COATED ZIRCALOY-4; BEHAVIOR; HYDROGEN; WETTABILITY; EVOLUTION; KINETICS; CONTACT;
D O I：
10.1016/j.ijrmhm.2022.106010
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Five CrNb coatings containing different Nb contents were deposited on zircalloy substrate by magnetron sput-tering technology. The effect of Nb content on microstructure, mechanical property, high-temperature corrosion and oxidation resistance of the coatings were investigated systematically. With increasing Nb content, the surface wetting characteristics of the coating changed from hydrophilic to hydrophobic, the wear performance and the nanohardness were enhanced. The Nb addition has little effect on the corrosion resistance of the coatings. The optimal mechanical and high temperature oxidation properties were obtained for the coating with 21at% Nb content.
引用
收藏
页数：17
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