Influence of a Mo interlayer on the oxidation behavior of a Cr coating on a Zr alloy substrate

被引：41

作者：

Ma, Jiaojiao ^{[1
]}

Tan, Jie ^{[2
]}

Zhou, Yue ^{[1
]}

Meng, Chuiyi ^{[1
]}

Wang, Hui ^{[3
]}

Yang, Weiqi ^{[1
]}

He, Xiujie ^{[1
]}

机构：

[1] Sun Yat sen Univ, Sino French Inst Nucl Engn & Technol, Zhuhai 519082, Guangdong, Peoples R China

[2] Univ South China, Sch Math & Phys, Hengyang 421001, Hunan, Peoples R China

[3] Chengdu Univ, Inst Adv Study, Interdisciplinary Mat Res Ctr, Chengdu 610106, Sichuan, Peoples R China

来源：

CORROSION SCIENCE | 2023年 / 218卷

基金：

中国国家自然科学基金;

关键词：

Mo interlayer; Coating; Accident tolerant fuel; Oxidation; Zirconium alloys; TEMPERATURE STEAM-OXIDATION; TOTAL-ENERGY CALCULATIONS; ELASTIC BAND METHOD; THERMODYNAMIC ASSESSMENT; NUCLEAR-FUEL; COATED ZIRCALOY-4; RESIDUAL-STRESS; ACCIDENT; MICROSTRUCTURE; DIFFUSION;

D O I：

10.1016/j.corsci.2023.111192

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Cr-based coatings with or without a Mo interlayer were deposited on a Zr substrate by multi-arc ion plating, and the effect of the Mo interlayer on the oxidation behavior of the coatings at different time lengths (maximum 90 min) at 1160 degrees C was investigated. Atomic scale characterization confirms that, on the one hand, the Mo inter-layer prevents the Cr coating from reacting with the Zr substrate to form the ZrCr2 Laves phase and, on the other hand, the solid solution structure generated due to Mo doping effectively guarantees the integrity of the Cr2O3 oxide layer and the residual Cr coating.

引用

页数：16

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