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公开(公告)号:US20030155047A1
公开(公告)日:2003-08-21
申请号:US10255716
申请日:2002-09-27
发明人: Ryotaro Magoshi , Hisataka Kawai , Yoshikuni Kadoya , Ryuichi Yamamoto , Toshiharu Noda , Susumu Isobe , Michio Okabe
IPC分类号: B01J023/00 , C22C019/05
摘要: A low thermal expansion Ni-base superalloy contains, by weight % (hereinafter the same as long as not particularly defined) C: 0.15% or less; Si: 1% or less; Mn: 1% or less; Cr: 5 to 20%; at least one of Mo, W and Re of Monullnull (WnullRe) of 17 (exclusive) to 25%; Al: 0.2 to 2%; Ti: 0.5 to 4.5%; Fe of 10% or less; at least one of B: 0.02% and Zr: 0.2% or less; a remainder of Ni and inevitable impurities; wherein the atomic % of AlnullTi is 2.5 to 7.0.
摘要翻译: 低热膨胀性Ni基超合金含有按重量%计(以下有时没有特别限定)C:0.15%以下; Si:1%以下; Mn:1%以下; Cr:5〜20%; Mo,W和Re的至少一种Mo +½(W + Re)为17(独占)至25%; Al:0.2〜2% Ti:0.5〜4.5% 10%以下的Fe; B:0.02%和Zr:0.2%以下中的至少一种; 剩余的Ni和不可避免的杂质; 其中Al + Ti的原子%为2.5〜7.0。