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Method of forming a film having excellent heat resistance and wear resistance to the sliding resistance of the titanium or titanium alloy
Method of forming a film having excellent heat resistance and wear resistance to the sliding resistance of the titanium or titanium alloy
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机译：形成具有优异的耐热性和对钛或钛合金的滑动阻力的耐磨性的膜的方法
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摘要
PURPOSE:To improve heat resistance, wear resistance, and sliding resistance by pickling the surface of a Ti metal, exerting Cu or Ni striking, further performing electroplating with Ni or Ni-P alloy, carrying out vacuum heating and surface activation treatment, forming a heat-and wear-resisting film, roughening the surface, and then forming a solid lubricant film on the above surface. CONSTITUTION:After the surface of Ti or Ti alloy is pickled with an aqueous solution of hydrochloric acid and cleaned, Cu or Ni striking is formed to 1-5mum thickness. Subsequently, The above surface of electroplated with Ni or Ni-P alloy to 5-20mum thickness, heated at 450 deg.C for 1hr in a vacuum of 10-1-10-1 Torr to undergo the formation of Ti-Ni or Ti-Cu alloy layer, air-cooled under reduced pressure, and then treated with HF or HNO3 containing aqueous solution to undergo surface activation. Successively, a heat-and wear-resisting film in which Ni-P alloy or Co is used as a matrix and hard pulverized powder of SiC, etc., is dispersed, is formed by an electroplating method, and the surface is formed into rough surface of 1.0-10.0mum RZ by means of the projection of alumina powder, and then, a solid lubricant film of MoS2, graphite, BN, etc., is formed to 5-30mum thickness.
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