Effect of welding and coating on deuterium permeation through F82H

被引：3

作者：

Nakamura, Hirofumi ^{[1
]}

Nakamichi, Masaru ^{[2
]}

Tanigawa, Hiroyasu ^{[3
]}

Yamanishi, Toshihiko ^{[1
]}

机构：

[1] Japan Atom Energy Agcy, Tritium Technol Grp, Tokai, Ibaraki 3191195, Japan

[2] Japan Atom Energy Agcy, Blanket Irradiat & Anal Grp, Oarai, Ibaraki 3111393, Japan

[3] Japan Atom Energy Agcy, Fus Struct Mat Dev Grp, Tokai, Ibaraki 3191195, Japan

来源：

JOURNAL OF NUCLEAR MATERIALS | 2011年 / 417卷 / 1-3期

关键词：

FUSION DEMO PLANT; DESIGN; JAERI;

D O I：

10.1016/j.jnucmat.2011.01.098

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Deuterium permeation characteristics through various surface states of F82H such as F82H without surface treatment (bare F82H), welded F82H, and gold plated F82H (Au-F82H) have been investigated in order to understand the effect of surface state on permeation for the realistic tritium permeation evaluation in the fusion reactors especially breeding blanket system, which has many welding points and permeation reduction coatings. Based on obtained permeation behavior, the steady state permeation and the apparent diffusivity derived form the transient permeation behavior have been discussed. As the results, deuterium permeation through bare F82H is smaller than that through clean surface F82H. As to the effect of welding on permeation, the results indicate that significant difference due to welding is not observed between bare F82H and welded F82H. Finally, gold plating on F82H showed good permeation reduction performance. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：1150 / 1153

页数：4

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