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    Sintered composite sliding part and production method therefor
    2.
    发明公开
    Sintered composite sliding part and production method therefor 有权
    Herstellungsverfahrenfürein gesintertes Verbundwerkstoff-Gleitelement

    公开(公告)号：EP2045346A1

    公开(公告)日：2009-04-08

    申请号：EP08017294.3

    申请日：2008-10-01

    申请人： Hitachi Powdered Metals Co., Ltd.

    发明人： Yoshihiro, Tatsuaki ,  Kawata, Hideaki ,  Mogami, Michiharu ,  Kimura, Yutaka

    IPC分类号： C22C33/02 ,  B22F7/06 ,  B22F7/08

    CPC分类号： B22F7/08 ,  B22F3/16 ,  B32B15/011 ,  C22C1/053 ,  C22C19/07 ,  C22C27/04 ,  C22C33/0207 ,  C22C33/0285 ,  C22C38/18 ,  C22C38/40 ,  F16C33/1095 ,  F16C33/124 ,  Y10T428/12007

    摘要： A sintered composite sliding part has an outer member made of an Fe-based wear resistant sintered member in which a hard phase is dispersed in a matrix at 15 to 70 % by volume and an inner member made of a stainless ingot steel. The matrix is made of an Fe-based alloy including 11 to 35 % by mass of Cr, and the hard phase is formed by precipitating and dispersing at least one selected from the group consisting of intermetallic compounds, metallic silicides, metallic carbides, metallic borides, and metallic nitrides in an alloy matrix made of at least one selected from the group consisting of Fe, Ni, Cr, and Co. The outer member is formed with a hole, the inner member is closely fitted into the hole, and the outer member and the inner member are diffusion bonded together.

    摘要翻译： 烧结复合滑动部件具有由硬质相分散在基体中的体积为15〜70体积％的Fe系耐磨烧结体构成的外部部件和由不锈钢制成的内部部件。 该基体由含有11〜35质量％的Cr的Fe系合金构成，通过使选自金属间化合物，金属硅化物，金属碳化物，金属硼化物中的至少一种析出析出而形成硬相 ，以及由选自Fe，Ni，Cr和Co中的至少一种的合金基体中的金属氮化物。外部构件形成有孔，内部构件紧密地配合到孔中，外部构件 构件和内部构件扩散结合在一起。