Effect of the Ar/N2 flow ratio on the microstructure, mechanical properties, and high-temperature steam oxidation behavior of Cr/CrxN coatings for accident-tolerant fuel coatings

被引：13
|
作者：
Chen, Qingsong [1 ]
Yang, Hongyan [2 ]
Wu, Lu [3 ]
Wu, Xiaoyong [3 ]
Zhu, Changda [1 ]
He, Linxin [4 ,5 ]
Liu, Ning [1 ]
Yang, Yuanyou [1 ]
Liao, Jiali [1 ]
Yang, Jijun [1 ]
机构：
[1] Sichuan Univ, Inst Nucl Sci & Technol, Minist Educ, Key Lab Radiat Phys & Technol, Chengdu 610064, Peoples R China
[2] Nucl Power Inst China, Sci & Technol Reactor Fuel & Mat Lab, Chengdu 610213, Peoples R China
[3] Nucl Power Inst China, Subinst 1, Chengdu 610041, Peoples R China
[4] Chengdu Univ Technol, Coll Mat & Chem & Chem Engn, Chengdu 610059, Peoples R China
[5] Sichuan Weiyi Elect Power Fittings Co Ltd, Zigong 643000, Peoples R China
来源：
CORROSION SCIENCE | 2021年 / 192卷
基金：
中国国家自然科学基金;
关键词：
Accident-tolerant fuel coating; Cr/CrxN coating; Multiarc ion plating; Friction and wear; High-temperature steam oxidation behavior; CR COATINGS; ALLOY; RESISTANCE; DEPOSITION; CORROSION; TIALN; STRESS; ROD; TIN;
D O I：
10.1016/j.corsci.2021.109833
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Cr/CrxN coatings were deposited on Zr-4 substrates by multi-arc ion plating for accident-tolerant fuel coatings. The effect of the Ar/N-2 flow ratio on the microstructure, mechanical properties, and high-temperature steam oxidation behavior of the coatings was investigated systematically. All coatings significantly increased the oxidation resistance of Zr-4 by forming a Cr2O3 oxide layer, and the performance degradation was caused by the decomposition of CrxN and the consumption of the Cr layer in the high-N coating and the pores in the oxide layer of the low-N coating. In addition, the mechanism of high-temperature steam oxidation was discussed in detail.
引用
收藏
页数：10
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