Technical issues of reduced activation ferritic/martensitic steels for fabrication of ITER test blanket modules

被引:80
作者
Tanigawa, H. [1 ]
Hirose, T. [1 ]
Shiba, K. [1 ]
Kasada, B. R. [2 ]
Wakaia, E. [1 ]
Serizawa, H. [3 ]
Kawahito, Y. [3 ]
Jitsukawa, S. [1 ]
Kimura, A. [2 ]
Kohno, Y. [4 ]
Kohyama, A. [2 ]
Katayama, S. [3 ]
Mori, H. [5 ]
Nishimoto, K. [5 ]
Klueh, R. L. [6 ]
Sokolov, M. A. [6 ]
Stoller, R. E. [6 ]
Zinkle, S. J. [6 ]
机构
[1] Japan Atom Energy Agcy, Tokai, Ibaraki 3191195, Japan
[2] Kyoto Univ, Inst Adv Energy, Kyoto 6110011, Japan
[3] Osaka Univ, Joining & Welding Res Inst, Osaka 5670047, Japan
[4] Muroran Inst Technol, Dept Mat Sci & Engn, Muroran, Hokkaido 0508585, Japan
[5] Osaka Univ, Div Mat & Mfg Sci, Suita, Osaka 5650871, Japan
[6] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA
关键词
RAFM; F82H; TBM; WCSB; Fabrication; Weld; HAZ; Over-tempered HAZ; Irradiation effect;
D O I
10.1016/j.fusengdes.2008.07.024
中图分类号
TL [原子能技术]; O571 [原子核物理学];
学科分类号
0827 ; 082701 ;
摘要
Reduced activation ferritic/martensitic steels (RAFMs) are recognized as the primary candidate structural materials for fusion blanket systems. The RAFM F82H was developed in Japan with emphasis on high-temperature properties and weldability. Extensive irradiation studies have conducted on F82H, and it has the most extensive available database of irradiated and unirradiated properties of all RAFMs. The objective of this paper is to review the R&D status of F82H and to identify the key technical issues for the fabrication of an ITER test blanket module (TBM) suggested from the recent research achievements in Japan. This work clarified that the primary issues with F82H involve welding techniques and the mechanical properties of weld joints. This is the result of the distinctive nature of the joint caused by the phase transformation that occurs in the weld joint during cooling, and its impact on the design of a TBM will be discussed. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码:1471 / 1476
页数:6
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