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    SM-FE-N MAGNET MATERIAL AND SM-FE-N BONDED MAGNET
    83.
    发明公开
    SM-FE-N MAGNET MATERIAL AND SM-FE-N BONDED MAGNET 审中-公开

    公开(公告)号：EP3534382A1

    公开(公告)日：2019-09-04

    申请号：EP19159952.1

    申请日：2019-02-28

    申请人： Daido Steel Co.,Ltd.

    发明人： SAKAZAKI, Iwao

    IPC分类号： H01F1/059

    摘要： The present invention relates to an Sm-Fe-N magnet material including: from 7.0 to 12 at% of Sm; from 0.1 to 1.5 at% of at least one element selected from the group consisting of Hf and Zr; from 0.05 to 0.5 at% of C; from 10 to 20 at% of N; and from 0 to 35 at% of Co, with the remainder being Fe and unavoidable impurities. The present invention also relates to an Sm-Fe-N bonded magnet including a powder of the Sm-FeN magnet material and a binder.

    METHOD FOR PRODUCING NI-BASED SUPERALLOY MATERIAL
    86.
    发明公开
    METHOD FOR PRODUCING NI-BASED SUPERALLOY MATERIAL 审中-公开

    公开(公告)号：EP3327158A1

    公开(公告)日：2018-05-30

    申请号：EP17192803.9

    申请日：2017-09-25

    申请人： Daido Steel Co.,Ltd.

    发明人： NARITA, Shuji ,  IZUMI, Kohki ,  YAMASHITA, Kenta ,  UETA, Shigeki

    IPC分类号： C22C19/05 ,  C22F1/10

    CPC分类号： C22F1/10 ,  B21J5/06 ,  C22C19/056 ,  C22C30/00

    摘要： The present invention relates to a method for producing a precipitation strengthened Ni-based superalloy material having a predetermined composition, containing a blooming forging step of performing a forging at a temperature range of from Ts to Tm and performing an air cooling to form a billet having an average crystal grain size of #1 or more, an overaging thermal treatment step of heating and holding the billet at a temperature range of from Ts to Ts+50°C and slowly cooling it to a temperature of Ts or lower, and a crystal grain fining forging step of performing another forging at a temperature range of from Ts-150°C to Ts and performing another air cooling, in which Ts is from 1,030°C to 1,100°C, and an overall average crystal grain size is #8 or more after the crystal grain fining forging step.

    PRECIPITATION HARDENED HIGH NI HEAT-RESISTANT ALLOY
    87.
    发明公开
    PRECIPITATION HARDENED HIGH NI HEAT-RESISTANT ALLOY 审中-公开
    沉淀硬化高耐热合金

    公开(公告)号：EP3312297A1

    公开(公告)日：2018-04-25

    申请号：EP17197969.3

    申请日：2017-10-24

    申请人： Daido Steel Co.,Ltd.

    发明人： UNO, Koichi

    IPC分类号： C22C19/05

    CPC分类号： C22F1/10 ,  B22D7/005 ,  C22C1/023 ,  C22C19/055 ,  C22C19/056 ,  C22C19/057

    摘要： The present invention relates to a precipitation hardened high Ni heat-resistant alloy having a component composition including, in terms of mass %: Cr: 14 to 25%; Mo: 15% or less; Co: 15% or less; Cu: 5% or less; Al: 4% or less; Ti: 4% or less; Nb: 6% or less; provided that Al+Ti+Nb is 1.0% or more; and inevitable impurities including at least C and N, with the balance being Ni, in which C is contained in an amount of 0.01% or less, and N fixed as carbonitride is contained in such an amount that Michelin point determined from inclusions extracted by an evaluation method according to ASTM-E45 is 100 or less.

    摘要翻译： 本发明涉及具有以质量％计含有Cr：14〜25％的成分组成的析出固化高Ni耐热合金， Mo：15％或更少; Co：15％以下; Cu：5％以下; Al：4％或更少; Ti：4％以下; Nb：6％以下; 条件是Al + Ti + Nb为1.0％或更多; 以及至少包含C和N的不可避免的杂质，余量为Ni，其中C含量为0.01％或更少，并且作为碳氮化物固定的N的含量是由通过由 根据ASTM-E45的评价方法为100以下。

    NI-BASED SUPERALLOY FOR HOT FORGING
    88.
    发明公开
    NI-BASED SUPERALLOY FOR HOT FORGING 有权
    镍基高温合金热锻造

    公开(公告)号：EP3208355A1

    公开(公告)日：2017-08-23

    申请号：EP17154800.1

    申请日：2017-02-06

    申请人： Daido Steel Co.,Ltd.

    发明人： Osaki, Mototsugu ,  Ueta, Shigeki ,  Izumi, Kohki

    IPC分类号： C22C19/05

    CPC分类号： C22C19/056

    摘要： The present invention relates to an Ni-based superalloy for hot forging, containing, in terms of % by mass, C: more than 0.001 % and less than 0.100%, Cr: 11% or more and less than 19%, Co: more than 5% and less than 25%, Fe: 0.1% or more and less than 4.0%, Mo: more than 2.0% and less than 5.0%, W: more than 1.0% and less than 5.0%, Nb: 2.0% or more and less than 4.0%, Al: more than 3.0% and less than 5.0%, and Ti: more than 1.0% and less than 3.0%, with the balance being unavoidable impurities and Ni, in which the component composition satisfies the following two relationships: 3.5 ≤ ([Ti]+[Nb])/[Al]×10

    摘要翻译： 本发明涉及用于热锻的Ni基超合金，其按质量百分比计含有：C：大于0.001％且小于0.100％，Cr：11％以上且小于19％，Co：更多 5％以上且小于25％，Fe：0.1％以上且小于4.0％，Mo：大于2.0％且小于5.0％，W：大于1.0％且小于5.0％，Nb：2.0％或 以上且小于4.0％，Al：大于3.0％且小于5.0％，Ti：大于1.0％且小于3.0％，余量为不可避免的杂质和Ni，其中组分组成满足以下两个 关系：3.5≤（[Ti] + [Nb]）/ [Al]×10 <6.5和9.5≤[Al] + [Ti] + [Nb] <13.0。

    NI-BASED SUPERALLOY FOR HOT FORGING
    89.
    发明公开
    NI-BASED SUPERALLOY FOR HOT FORGING 审中-公开
    镍基高温合金热锻造

    公开(公告)号：EP3208354A1

    公开(公告)日：2017-08-23

    申请号：EP17154798.7

    申请日：2017-02-06

    申请人： Daido Steel Co.,Ltd.

    发明人： OSAKI, Mototsugu ,  UETA, Shigeki ,  IZUMI, Kohki

    IPC分类号： C22C19/05

    CPC分类号： C22C19/056 ,  C22C30/00

    摘要： The present invention relates to an Ni-based superalloy for hot forging, containing, in terms of % by mass, C: more than 0.001 % and less than 0.100%, Cr: 11% or more and less than 19%, Co: more than 5% and less than 25%, Fe: 0.1% or more and less than 4.0%, Mo: more than 2.0% and less than 5.0%, W: more than 1.0% and less than 5.0%, Nb: 0.3% or more and less than 4.0%, Al: more than 3.0% and less than 5.0%, Ti: more than 1.0% and less than 3.0%, and Ta: 0.01 % or more and less than 2.0%, with the balance being unavoidable impurities and Ni, in which the component composition satisfies the following two relationships: 3.5 ≤ ([Ti]+[Nb]+[Ta])/[Al]×10

    摘要翻译： 本发明涉及用于热锻的Ni基超合金，其按质量百分比计含有：C：大于0.001％且小于0.100％，Cr：11％以上且小于19％，Co：更多 5％以上且小于25％，Fe：0.1％以上且小于4.0％，Mo：大于2.0％且小于5.0％，W：大于1.0％且小于5.0％，Nb：0.3％或 以上且小于4.0％，Al：大于3.0％且小于5.0％，Ti：大于1.0％且小于3.0％，Ta：0.01％以上且小于2.0％，其余为不可避免的杂质 和Ni，其中组分组成满足以下两个关系：3.5≤（[Ti] + [Nb] + [Ta]）/ [Al]×10 <6.5和9.5≤[Al] + [Ti] + [Nb ] + [Ta] <13.0。