Effect of Cr2O3 nanosheet insertion on the deuterium permeation behavior of a Cr-Zr-O coating

被引：0

作者：

田新洛 ^{[1
]}

李和平 ^{[1
]}

郑立雨 ^{[1
]}

李芳健 ^{[1
]}

郑忠洋 ^{[1
]}

尹圣铭 ^{[1
]}

王新云 ^{[1
]}

严有为 ^{[1
]}

机构：

[1] State Key Laboratory of Materials Processing and Die & Mould Technology,International Joint Research Laboratory of Magnetic Confinement Fusion and Plasma Physics,School of Materials Science and Engineering,Huazhong University of Science and Technology

来源：

Plasma Science and Technology | 2022年 / 24卷 / 12期

基金：

中央高校基本科研业务费专项资金资助; 中国国家自然科学基金;

关键词：

D O I：

暂无

中图分类号：

TL62 [聚变工程技术];

学科分类号：

摘要：

In this study,a Cr2O3nanosheet(Cr2O3NS) inserted Cr-Zr-O coating was developed as a hydrogen isotope permeation barrier.The Cr2O3NSs,fabricated by rapid heat treatment,were amorphous with a thickness of only several nanometers.These Cr2O3NSs were then incorporated into a Cr-Zr-O multi-metal oxide composite coating via a dip-coating method to form a coating.The effect of the Cr2O3NS concentration on the morphology,microstructure and deuterium permeation resistance of the coating was studied.With the addition of 1.0 g 1-1Cr2O3NSs,compared with the Cr-Zr-O coating without NSs,the permeation reduction factor of the resultant coating was enhanced from 249℃ to 575℃ at 500℃.The coating,with a thickness of nearly 193 nm,achieved a comparable deuterium resistance that was above two orders of magnitude higher than the steel substrate.The results show that ceramic NSs can serve as effective fillers for enhancing the coating performance when functioning as a hydrogen isotope barrier.

引用

页码：191 / 198

页数：8

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