Enhancing the oxidation behaviors of Zr alloys for nuclear fuel cladding using nanolamellar Cr/CrN coating

被引：10
|
作者：
Meng, Chuiyi [1 ]
Ma, Jiaojiao [1 ]
Wang, Hui [2 ]
Liu, Wenguan [1 ]
Hu, Yong [3 ]
Zhang, Baoliang [3 ]
Tu, Menghe [3 ]
Yuan, Cenxi [1 ]
He, Xiujie [1 ]
机构：
[1] Sun Yat Sen Univ, Sino French Inst Nucl Engn & Technol, Zhuhai 519082, Guangdong, Peoples R China
[2] Chengdu Univ, Inst Adv Study, Interdisciplinary Mat Res Ctr, Chengdu 610106, Sichuan, Peoples R China
[3] China Inst Atom Energy, Beijing 102413, Peoples R China
来源：
CORROSION SCIENCE | 2024年 / 227卷
基金：
中国国家自然科学基金;
关键词：
Nanolamellar coating; Cr coating; CrN coating; Accident-tolerant fuel; Oxidation; HIGH-TEMPERATURE OXIDATION; CRN; RESISTANCE; SURFACE;
D O I：
10.1016/j.corsci.2023.111725
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Cr, CrN, and nanolamellar Cr/CrN coatings were deposited on Zr-4 substrate by multi-arc ion plating in Ar, N2, and Ar + N2, respectively. The oxidation behaviors of these various types of Cr-based coatings in steam under different temperature-time conditions were compared. The nanolamellar Cr/CrN coating had a smaller weight gain, a smoother oxide surface, fewer pores, no cracks, and could block the interdiffusion between Cr-Zr by generating a ZrN layer. The designed nanolamellar Cr/CrN coating can effectively combine the advantages of Cr and CrN coatings to show better resistance to oxidation. Oxidation mechanisms have also been discussed in detail.
引用
收藏
页数：13
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