Fluid-mold casting process
    61.
    发明授权
    Fluid-mold casting process 失效
    流体铸造工艺

    公开(公告)号:US3598170A

    公开(公告)日:1971-08-10

    申请号:US3598170D

    申请日:1968-09-19

    申请人: INT NICKEL CO

    发明人: ROBERTS JAMES E

    CPC分类号: B22D11/07 B22D27/20

    摘要: A fluid-mold casting process produces nickel and nickel alloy ingots having improved surface and other metallurgical characteristics using a slag composition containing special amounts of alumina, lime, magnesium oxide, sodium oxide and alkaline earth metal fluoride.

    Levi stevens
    69.
    发明授权

    公开(公告)号:US327033A

    公开(公告)日:1885-09-29

    申请号:US327033D

    CPC分类号: B22D27/20