Low thermal expansion Ni-base superalloy
    1.
    发明申请
    Low thermal expansion Ni-base superalloy 有权
    低热膨胀Ni基超合金

    公开(公告)号:US20030155047A1

    公开(公告)日:2003-08-21

    申请号:US10255716

    申请日:2002-09-27

    IPC分类号: B01J023/00 C22C019/05

    CPC分类号: C22C1/02 F22B37/10

    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。