Characterization and heat flux testing of beryllium coatings on Inconel for JET ITER-like wall project

被引：24
|
作者：
Hirai, T. [1 ]
Linke, J.
Sundelin, P.
Rubel, M.
Kuehnlein, W.
Wessel, E.
Coad, J. P.
Lungu, C. P.
Matthews, G. F.
Pedrick, L.
Piazza, G.
机构：
[1] Assoc EURATOM FZJ, Forschungszentrum Julich, D-52425 Julich, Germany
[2] Assoc EURATOM VR, Alfven Lab, S-10044 Stockholm, Sweden
[3] UKAEA Euratom Fus Assoc, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England
[4] EURATOM, MEdC, Natl Inst Lasers Plasma & Radiat Phys, Bucharest, Romania
[5] EFDA, CSU, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England
来源：
PHYSICA SCRIPTA | 2007年 / T128卷
基金：
英国工程与自然科学研究理事会;
关键词：
D O I：
10.1088/0031-8949/2007/T128/032
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In order to perform a fully integrated material test, JET has launched the ITER-like wall project with the aim of installing a full metal wall during the next major shutdown. The material foreseen for the main chamber wall is bulk Be at the limiters and Be coatings on inconel tiles elsewhere. R&D process comprises global characterization ( structure, purity etc) of the evaporated films and testing of their performance under heat loads. The major results are (i) the layers have survived energy loads of 20 MJ m(-2) which is significantly above the required level of 5 - 10 MJ m(-2), (ii) melting limit of beryllium coating would be at the energy level of 30 MJ m(-2), (iii) cyclic thermal load of 10 MJ m(-2) for up to 50 cycles have not induced any noticeable damage such as flaking or detachment.
引用
收藏
页码：166 / 170
页数：5
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