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    Cast nickel-based superalloy including iron
    6.
    发明授权
    Cast nickel-based superalloy including iron 有权

    公开(公告)号：EP2796578B1

    公开(公告)日：2018-12-12

    申请号：EP14165495.4

    申请日：2014-04-22

    Applicant: General Electric Company

    Inventor： FENG, Ganjiang ,  SCHAEFFER, Jon Conrad ,  ARNETT, Michael Douglas

    IPC: C22C19/05 ,  C22C30/00

    CPC classification number: C22C30/00 ,  C22C19/055 ,  C22C19/056 ,  C22C19/057

    Abstract: A cast nickel-base superalloy that includes iron added substitutionally for nickel. The cast nickel base superalloy comprises, in weight percent about 1-6% iron, about 7.5-19.1% cobalt, about 7-22.5% chromium, about 1.2-6.2% aluminum, optionally up to about 5% titanium, optionally up to about 6.5% tantalum, optionally up to about 1% Nb, about 2-6% W, optionally up to about 3% Re, optionally up to about 4% Mo, about 0.05-0.18% C, optionally up to about 0.15% Hf, about 0.004-0.015 B, optionally up to about 0.1% Zr, and the balance Ni and incidental impurities. The superalloy is characterized by a ¥' solvus temperature that is within 5% of the ¥' solvus temperature of the superalloy that does not include 1-6% Fe and a mole fraction of ¥' that is within 15% of the mole fraction of the superalloy that does not include 1-6% Fe.

    SPARK PLUG
    7.
    发明授权
    SPARK PLUG 有权

    公开(公告)号：EP1710878B1

    公开(公告)日：2018-11-14

    申请号：EP05704195.6

    申请日：2005-01-27

    Applicant: NGK Spark Plug Co., Ltd.

    Inventor： KUMAGAI, Kenichi ,  MATSUTANI, Wataru ,  KOBAYASHI, Kenji

    IPC: H01T13/39 ,  C22C5/04 ,  C22C19/05

    CPC classification number: C22C19/056 ,  H01T13/39

    Abstract: To provide a spark plug in which separation of a tip can be prevented and enough wear resistance can be obtained without increasing the content of nickel in the tip portion, and a use method of the spark plug. In a spark plug (100) including an outside electrode (10) including an electrode body portion (11) and a tip (12) bonded to the electrode body portion (11), and a center electrode (20), and the tip (12) is opposed to the front end portion of the center electrode (20) through a spark discharge gap (G), the electrode body portion (11) is made of a nickel alloy containing 13 to 18% by mass of Cr, 0.03 to 0.08% by mass of C, 1 to 3.5% by mass of Mo, 0 to 0.8% by mass of Si, Al, Mn and Ti, and 68% by mass or more of Ni, and the tip (12) is made of a platinum alloy containing 0 to 4% by mass of Ni.

    NI-BASE ALLOY WITH EXCELLENT HOT FORGEABILITY AND CORROSION RESISTANCE, AND LARGE STRUCTURAL MEMBER
    9.
    发明授权
    NI-BASE ALLOY WITH EXCELLENT HOT FORGEABILITY AND CORROSION RESISTANCE, AND LARGE STRUCTURAL MEMBER 有权

    公开(公告)号：EP3112484B1

    公开(公告)日：2018-10-10

    申请号：EP14883624.0

    申请日：2014-07-14

    Applicant: Hitachi Metals, Ltd.

    Inventor： SUGAHARA Katsuo

    IPC: C22C19/05

    CPC classification number: C22C19/056 ,  C22C19/05 ,  C22C19/055

    Abstract: A Ni-based alloy having excellent hot forgeability and corrosion resistance includes, by mass%, Cr: more than 18% to less than 21%, Mo: more than 18% to less than 21 %, Ta: 1.1 % to 2.5%, Mg: 0.001 % to 0.05%, N: 0.001 % to 0.04%, Mn: 0.001 % to 0.5%, Si: 0.001% to 0.05%, Fe: 0.01% to 1%, Co: 0.01% or more and less than 1%, Al: 0.01% to 0.5%, Ti: 0.01 % or more and less than 0.1 %, V: 0.005% or more and less than 0.1 %, Nb: 0.001% or more and less than 0.1 %, B: 0.0001 % to 0.01 %, Zr: 0.001 % to 0.05%, and a balance consisting of Ni and unavoidable impurities.

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