An overview on tritium permeation barrier development for WCLL blanket concept

被引：77
|
作者：
Aiello, A [1 ]
Ciampichetti, A
Benamati, G
机构：
[1] ENEA, Ctr Ric Brasimone, I-40032 Camugnano, BO, Italy
[2] Politecn Torino, DENER, I-10129 Turin, Italy
来源：
JOURNAL OF NUCLEAR MATERIALS | 2004年 / 329卷
关键词：
D O I：
10.1016/j.jnucmat.2004.04.205
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The reduction of tritium permeation through blanket structural materials and cooling tubes has to be carefully evaluated to minimise radiological hazards. A strong effort has been made in the past to select the best technological solution for the realisation of tritium permeation barriers (TPB) on complex structures not directly accessible after the completion of the manufacturing process. The best solution was identified in aluminium rich coatings, which form Al(2)O(3) at their surface. Two technologies were selected as reference for the realisation of coating in the WCLL blanket concept: the chemical vapour deposition (CVD) process developed on laboratory scale by CEA, and the hot dipping (HD) process developed by FZK. The results obtained during three years of tests on CVD and HD coated specimens in gas and liquid metal phase are summarised and discussed. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：1398 / 1402
页数：5
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