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    HIGHLY CORROSION-RESISTANT AND WEAR-RESISTANT MEMBER WITH THERMALSPRAYED LAYER FORMED THEREON AND THERMAL-SPRAYED LAYER FORMING POWDER FOR FORMING THE SAME
    7.
    发明申请
    HIGHLY CORROSION-RESISTANT AND WEAR-RESISTANT MEMBER WITH THERMALSPRAYED LAYER FORMED THEREON AND THERMAL-SPRAYED LAYER FORMING POWDER FOR FORMING THE SAME 有权
    具有形成其热层的耐腐蚀耐磨构件和形成粉末的热喷涂层的高耐腐蚀和耐磨性构件

    公开(公告)号：US20120094147A1

    公开(公告)日：2012-04-19

    申请号：US13263934

    申请日：2009-03-10

    申请人： Kengo Iwanaga ,  Yuji Yamazaki ,  Kourou Hirata

    发明人： Kengo Iwanaga ,  Yuji Yamazaki ,  Kourou Hirata

    IPC分类号： B32B15/04 ,  C22C1/05 ,  C22C32/00

    CPC分类号： C22C29/14 ,  B22F1/0096 ,  C23C4/06 ,  C23C4/10 ,  Y10T428/12826

    摘要： Provided is a corrosion-resistant and wear-resistant member where a thermal-sprayed layer having corrosion resistance and wear resistance is formed on a surface of a metallic member which is brought into contact with a resin which generates a highly corrosive gas. Also provided is a thermal-spraying powder. The highly corrosion-resistant and wear-resistant member having a thermal-sprayed layer is one obtained by thermally spraying metallic powder on a metallic base material to form a thermal-sprayed layer on a surface of the metallic base material. The member is characterized in that the thermal-sprayed layer is a composite boride cermet of a tetragonal Mo2(Ni,Cr)B2-type or a tetragonal Mo2(Ni,Cr,V)B2-type. The powder for forming a thermal-sprayed layer is made of a composite boride cermet of a Mo2(Ni, Cr)B2-type and comprises 4.0 to 6.5 mass % of boron, 39.0 to 64.0 mass % of molybdenum, and 7.5 to 20.0 mass % of chromium, a balance being 5 mass % or more of nickel and unavoidable elements.

    摘要翻译： 本发明提供一种耐腐蚀和耐磨构件，其在与产生高腐蚀性气体的树脂接触的金属构件的表面上形成具有耐腐蚀性和耐磨性的热喷涂层。 还提供了热喷涂粉末。 具有热喷涂层的高耐腐蚀和耐磨构件是通过在金属基材上喷射金属粉末以在金属基材的表面上形成热喷涂层而获得的。 其特征在于，热喷涂层是四方晶Mo2（Ni，Cr）B2型或四方晶Mo2（Ni，Cr，V）B2型的复合硼化物金属陶瓷。 用于形成热喷涂层的粉末由Mo2（Ni，Cr）B2型的复合硼化物金属陶瓷制成，并且包含4.0〜6.5质量％的硼，39.0〜64.0质量％的钼和7.5〜20.0质量％ 铬的比例为5质量％以上，镍为不可避免的元素。