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    HIGH-HARDNESS NOBLE METAL ALLOY AND METHOD FOR PRODUCING SAME
    1.
    发明公开
    HIGH-HARDNESS NOBLE METAL ALLOY AND METHOD FOR PRODUCING SAME 审中-实审

    公开(公告)号：EP4379078A1

    公开(公告)日：2024-06-05

    申请号：EP22880852.3

    申请日：2022-10-04

    申请人： Tanaka Kikinzoku Kogyo K.K.

    发明人： EBISUGI, Masato

    IPC分类号： C22C5/02 ,  C22C5/04 ,  C22C30/00 ,  C22C19/03 ,  C22F1/00 ,  C22F1/10 ,  C22F1/14

    CPC分类号： C22C5/02 ,  C22F1/14 ,  C22C5/04 ,  C22C19/03 ,  C22F1/00 ,  C22C30/00 ,  C22F1/10

    摘要： A precious metal alloy mainly including a quaternary alloy of Pt, Au, Ni, and Pd includes 7.5% by atom or more and 72.5% by atom or less of Pt, 5.5% by atom or more and 62.5% by atom or less of Au, 3% by atom or more and 62.5% by atom or less of Ni, and 0.15% by atom or more and 38% by atom or less of Pd. When respective concentrations (% by atom) of Pt, Au, Ni, and Pd represent CPt, CAu, CNi, CPd, the value of the following first compositional parameter z1 is 0.5 or more and 2.88 or less and also the concentration CPd of Pd satisfies CPd ≤ z2 with respect to the following second compositional parameter z2. A present inventive precious metal alloy is a high-hardness precious metal alloy to which a strengthening mechanism by spinodal decomposition and/or ordering is applied. z1=CPt×CAu×CNi/10000 z2=a×CAu3+b×CAu2+c×CAu+d coefficients a, b, c, and d are the following numerical values.
    a = 0. 00077, b = - 0. 102,
    c = 3. 60"l, d = 1. 722

    METHOD FOR PRODUCING LITHIUM METAL COMPOSITE OXIDE
    3.
    发明公开
    METHOD FOR PRODUCING LITHIUM METAL COMPOSITE OXIDE 审中-公开

    公开(公告)号：EP4253327A1

    公开(公告)日：2023-10-04

    申请号：EP21897878.1

    申请日：2021-11-19

    申请人： SUMITOMO CHEMICAL COMPANY, LIMITED

    发明人： MATSUMOTO,Yuki

    IPC分类号： C01G53/00 ,  F27B7/22 ,  F27B9/24 ,  F27B9/30 ,  C22C19/03 ,  H01M4/505 ,  H01M4/525

    摘要： A method for producing a lithium metal composite oxide, in which, in a calcining step of calcining a substance to be calcined using calcining means, the substance to be calcined is a mixture of a metal composite compound and a lithium compound or a mixture raw material containing a reactant of the metal composite compound and the lithium compound, a content rate of Li in the substance to be calcined is more than 5 mass% and 10 mass% or less, the calcining means includes an inner wall, a main material of the inner wall is an alloy, the alloy contains Ni and Al, a content rate of the Ni with respect to a total amount of the alloy is 93 mass% or more and 95 mass% or less, and a content rate of the Al with respect to the total amount of the alloy is 3 mass% or more and 5 mass% or less.

    NICKEL-BASE ALLOY, HEAT-RESISTANT AND CORROSION RESISTANT COMPONENT, AND COMPONENT FOR HEAT-TREATMENT FURNACE
    7.
    发明公开
    NICKEL-BASE ALLOY, HEAT-RESISTANT AND CORROSION RESISTANT COMPONENT, AND COMPONENT FOR HEAT-TREATMENT FURNACE 审中-公开

    公开(公告)号：EP4083554A1

    公开(公告)日：2022-11-02

    申请号：EP20908314.6

    申请日：2020-12-23

    申请人： Kubota Corporation

    发明人： KAMITSUJI, Ayano ,  ASANO, Soichi ,  ENJO, Yohei ,  HASHIMOTO, Kunihide

    IPC分类号： F27B7/00 ,  F27D1/00 ,  C22C19/03

    摘要： The present invention provides a Ni-based alloy, a heat-resistant and corrosion-resistant component, and a heat treatment furnace component, all of which have excellent corrosion resistance and mechanical strength at high temperatures. The Ni-based alloy of the present invention consists of, by mass %, Al: more than 5.0% and up to 26.0%, and Zr: more than 0% and up to 5.0%, the balance being Ni and unavoidable impurities. The Ni-based alloy preferably contains more than 0% and up to 5.0% of B, by mass %, in a combined amount with Zr. Moreover, it is preferable that the Ni-based alloy has P value and Q value and satisfies a relationship of Q value ≥ 0.89 ×P value - 0.53, when the P value is obtained from a formula -18.95 + 0.1956 × Ni% + 0.1977 ×Al% + 0.2886 × Zr% + 12.4 × B%, and the Q value is obtained by dividing an area percentage of Ni 3 Al precipitated on the surface of the alloy by 100.