Effect of LBE corrosion on microstructure of amorphous Al2O3 coating by magnetron sputtering

被引：36
作者：
Zhong, Yilong [1 ]
Zhang, Wei [1 ]
Chen, Qingsong [1 ]
Yang, Jian [1 ]
Zhu, Changda [1 ]
Li, Qingyu [1 ]
Yang, Jiaqi [1 ]
Liu, Ning [1 ]
Yang, Jijun [1 ]
机构：
[1] Sichuan Univ, Inst Nucl Sci & Technol, Key Lab Radiat Phys & Technol Minist Educ, Chengdu 610064, Peoples R China
来源：
SURFACE & COATINGS TECHNOLOGY | 2022年 / 443卷
关键词：
Al; 2; O; 3; coating; LBE; Magnetron sputtering; Corrosion resistance; 550; DEGREES-C; FLOWING PB-BI; OXIDE SCALE; STRUCTURAL-MATERIALS; STAINLESS-STEEL; IN-SITU; LEAD; TEMPERATURE; RESISTANCE; OXIDATION;
D O I：
10.1016/j.surfcoat.2022.128598
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The amorphous Al2O3 coating with a thickness of approximately 3.3 mu m was prepared on ferritic/martensitic steel to investigate the corrosion resistance in contact with static liquid lead-bismuth eutectic from 100 h to 1000 h at 550 degrees C. The results showed that Al2O3 coating had poor wettability and could effectively protect the substrate from liquid lead-bismuth eutectic corrosion. However, the structure of the coating changed from an amorphous phase to a dual-phase structure during the corrosion process, leading to the formation of voids. The microscopic corrosion mechanism of Al2O3 coating was also elucidated in detail.
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页数：13
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