PRECIPITATION HARDENING NICKEL-BASE ALLOY, PART MADE OF SAID ALLOY, AND MANUFACTURING METHOD THEREOF
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    发明申请
    PRECIPITATION HARDENING NICKEL-BASE ALLOY, PART MADE OF SAID ALLOY, AND MANUFACTURING METHOD THEREOF 审中-公开
    降低镍基合金,合金部件及其制造方法

    公开(公告)号:US20170002449A1

    公开(公告)日:2017-01-05

    申请号:US15125836

    申请日:2015-03-13

    申请人: AUBERT & DUVAL

    摘要: A precipitation hardened nickel-base alloy, characterized in that its composition is, in weight percentages: 18%≦Cr≦22%, preferably 18%≦Cr≦20%; 18%≦Co≦22%, preferably 19%≦Co≦21%; 4%≦Mo+W≦8%, preferably 5.5%≦Mo+W≦7.5%; trace amounts≦Zr≦0.06%; trace amounts≦B≦0.03%. preferably trace amounts≦B≦0.01%; trace amounts≦C≦0.1%, preferably trace amounts≦C≦0.06%; trace amounts≦Fe≦1%; trace amounts≦Nb≦0.01%; trace amounts≦Ta≦0.01%; trace amounts≦S≦0.008%; trace amounts≦P≦0.015%; trace amounts≦Mn≦0.3%; trace amounts≦Si≦0.15%; trace amounts≦O≦0.0025%; trace amounts≦N≦0.0030%; the remainder being nickel and impurities resulting from the elaboration, the Al and Ti contents further satisfying the conditions: Ti/Al≦3;  (1) Al+1.2 Ti≧2%;  (2) (0.2 Al−1.25)2−0.5 Ti≧0%;  (3) Ti+1.5 Al≦4.5%.  (4) Part made in this alloy and its manufacturing method.

    摘要翻译: 该合金制成的部件及其制造方法。