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    • 3. 发明专利
    • Lead-free copper-based sliding material
    • 无铅铜箔滑动材料
    • JP2006307284A
    • 2006-11-09
    • JP2005131339
    • 2005-04-28
    • Taiho Kogyo Co Ltd大豊工業株式会社
    • MUKAI AKIRATSUZUKI TSUNEYAKIRA TOSHIHIKO
    • C22C9/02B22F5/00C22C1/05C22F1/00C22F1/08F16C33/10
    • F16C2204/12
    • PROBLEM TO BE SOLVED: To solve such a problem that, when Cu-plated solid lubricant is mixed with Cu-Sn alloy powder and sintered, the solid lubricant is firmly joined with a copper alloy matrix since Sn in the alloy powder is diffused into the Cu plated layer in a process where the ordinary sintering phenomena such vacancy elimination and grain boundary migration are developed however the conformability of the sintered copper alloy is deteriorated.
      SOLUTION: A lead-free copper-based sintered sliding material is obtained by dispersing the solid lubricant grains with copper-based coating, of MoS
      2 , graphite, WS
      2 , Bn, etc., into the matrix composed of Cu-Sn based alloy grains containing 0.1-15mass% Sn and the balance essentially Cu, wherein the hardness of the copper-based coating under sintered state is lower than the hardness of the matrix.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 解决这样的问题:为了解决这样的问题,当将Cu镀固体润滑剂与Cu-Sn合金粉末混合并烧结时,固体润滑剂与铜合金基体牢固地接合,因为合金粉末中的Sn是 在这样的空穴消除和晶界迁移的普通烧结现象发展的过程中,扩散到Cu镀层中,烧结铜合金的一致性变差。

      解决方案:通过将固体润滑剂颗粒分散在具有MoS 2 ,石墨,WS 2 的铜基涂层而获得的无铅铜基烧结滑动材料 >,Bn等添加到由含有0.1〜15质量%的Sn且余量基本上为Cu的Cu-Sn系合金粒子构成的基体中,其中,烧结状态下的铜系被膜的硬度低于基体的硬度 。 版权所有(C)2007,JPO&INPIT

    • 5. 发明专利
    • ALUMINUM TYPE COMPOSITE SLIDING MATERIAL AND ITS PRODUCTION
    • JPH05202441A
    • 1993-08-10
    • JP3445192
    • 1992-01-24
    • TAIHO KOGYO CO LTDKIUCHI MANABU
    • KIUCHI MANABUKIRA TOSHIHIKOKAMIYA SHOJI
    • B22F7/02B22F5/00C22C1/05C22C21/00C23C24/10
    • PURPOSE:To form a sliding layer having superior properties by scattering a uniform powder mixture of Al alloy powder and solid lubricant grains or further hard grains on the surface of a strip-like body made of Al alloy and then performing heating and compression under specific pressure and temp. conditions. CONSTITUTION:A uniform powder mixture 2 which has a composition consisting of, by volume, 1-30% of the grains of solid lubricant having stretchability, such as MoS2, graphite, and BN, and the grains of soft metal, such as Pb, In, Cd, and Sn, 0.5-10% of the grains of hard ceramics, such as the oxides, carbides, nitrides, and borides of metals, and the balance Al or Al alloy grains is laminated on a supporting plate 1, such as Al alloy strip-like body, steel plate, and copper alloy plate, and pressurized by a roll 3. The resulting preformed body 4 is heated up to about 600 deg.C in a heating furnace 5 to undergo the melting of the Al powder and then pressurized and solidified by means of a outlet roll 6 of the furnace 5, by which a composite Al plate 7 having a sliding layer where the solid lubricant powder and the hard powder are uniformly dispersed in the Al alloy is formed. This plate is joined to a steel strip 9, by which an Al type composite sliding material 14 excellent in lubricity can be produced.