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    • 8. 发明公开
    • Method for applying a low coefficient of friction coating
    • Verfahren zum Aufbringen eine Beschichtung mit niedrigem Verschleisskoeffizient
    • EP1785503A2
    • 2007-05-16
    • EP06122154.5
    • 2006-10-12
    • Sulzer Metco (US) Inc.
    • McCullough, RichardSchmid, Dr., Richard K.
    • C23C4/12C23C24/04C23C4/10
    • C23C24/04C23C4/10C23C4/12C23C4/126C23C4/129
    • The present invention provides a composite coating and a method of preparing a composite coating resistant to galling and fretting. The coating is applied to a substrate and includes a mixture of hard carbide particles in an alloy matrix or oxides and solid lubricant particles captured in a binder. The coating is produced by using a thermal spray process to apply a powder containing both the hard face or oxide phases as well as the self lubricating phases. Thus, the applied coating of the present invention combines the benefits achieved with previous thermal spray coatings in terms of wear, abrasion, heat and corrosion with those afforded by solid lubricants. In addition, the coating of the present invention provides consistently distributed surface porosity to retain liquid lubricant on the coating surface.
    • 本发明提供复合涂层和制备耐磨损和微动的复合涂层的方法。 将涂层施加到基底上,并且包括在合金基体中的硬质合金颗粒或氧化物的混合物和捕获在粘合剂中的固体润滑剂颗粒。 通过使用热喷涂工艺来制造涂层,以施加包含硬面或氧化物相以及自润滑相的粉末。 因此,本发明的涂覆涂层结合了在磨损,磨损,热和腐蚀方面与先前的热喷涂涂层相比,固体润滑剂所提供的优点。 此外,本发明的涂层提供了一致分布的表面孔隙率,以将液体润滑剂保持在涂层表面上。