Fabricating tritium permeation barrier for PFC with a new non-coating strategy

被引：1

作者：

Wang, Lu ^{[1
,2
]}

Zhou, Hai-Shan ^{[1
,2
]}

Liu, Hao-Dong ^{[1
,2
]}

Xu, Yu-Ping ^{[1
,2
]}

Wang, Wan-Jing ^{[1
,2
]}

Li, Yan-Fen ^{[3
]}

Luo, Guang-Nan ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Hefei Inst Phys Sci, Inst Plasma Phys, Hefei 230031, Peoples R China

[2] Univ Sci & Technol China, Hefei 230026, Peoples R China

[3] Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China

来源：

PHYSICA SCRIPTA | 2021年 / 96卷 / 12期

基金：

中国国家自然科学基金;

关键词：

tritium permeation barrier; plasma-driven permeation; deuterium; hot isostatic pressing; aluminum oxidation; DEUTERIUM PERMEATION; BEHAVIOR; OXIDATION;

D O I：

10.1088/1402-4896/ac3b6b

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Tritium (T) permeation through plasma-facing component (PFC) into the coolant is a major concern of fusion reactor operation. In this work, deuterium (D) permeation through CLAM steel, CLAM/CLAM and CLAM/Fe-Cr-Al samples prepared by hot isostatic pressing (HIP) are tested in a linear plasma device. Only the downstream surfaces of the samples are oxidized with controlled atmosphere to form permeation barrier. No significant effect on D diffusion and penetration can be observed for the joining interfaces, while the dense oxide layer at the downstream side plays an important role in suppressing D permeation. The downstream surface oxidization of CLAM/Fe-Cr-Al is found to effectively reduce D permeation flux by a factor up to 1000.

引用

页数：6

共 37 条

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