发明公开
EP0674322A1 Fuel assembly for nuclear reactor and manufacturing method thereof
失效
Kernreaktorbrennstoffbündelund Verfahren zur Herstellung。
- 专利标题： Fuel assembly for nuclear reactor and manufacturing method thereof
- 专利标题（中）： Kernreaktorbrennstoffbündelund Verfahren zur Herstellung。
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申请号： EP95103966.8申请日： 1995-03-17
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公开(公告)号： EP0674322A1公开(公告)日： 1995-09-27
- 发明人: Nakamura, Kiyomi , Inagaki, Masahisa , Tanikoshi, Shoko , Maki, Hideo , Hashimoto, Tsuneyuki
- 申请人： HITACHI, LTD.
- 申请人地址： 6, Kanda Surugadai 4-chome Chiyoda-ku, Tokyo 100 JP
- 专利权人： HITACHI, LTD.
- 当前专利权人： HITACHI, LTD.
- 当前专利权人地址： 6, Kanda Surugadai 4-chome Chiyoda-ku, Tokyo 100 JP
- 代理机构： Dost, Wolfgang, Dr.rer.nat., Dipl.-Chem.
- 优先权： JP48266/94 19940318
- 主分类号： G21C3/60
- IPC分类号： G21C3/60 ; C22C43/00
摘要：
A fuel assembly avoiding the generation of irradiation damage, a Zr alloy used for the same, and a manufacturing method thereof. According to one embodiment, a super-saturated solid-solution Zr alloy powder having a crystal grain size in the range of 1000 nm or less and containing Fe, Ni and Cr is prepared by mechanical alloying, and the alloy powder is subjected to HIP, hot-working, cold-working and final heat-treatment.
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