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    • 29. 发明公开
    • 고속 터보 기기의 무급유 베어링용 중온 코팅제 및 그 코팅방법
    • 用于高速涡轮机的无油轴承的中温涂层材料及其涂层方法
    • KR1020080019924A
    • 2008-03-05
    • KR1020060082461
    • 2006-08-29
    • 한국과학기술연구원
    • 이용복김창호박동진조준현
    • C23C4/04
    • C23C4/04C23C4/02C23C4/06C23C4/18F16C17/024F16C33/14F16C33/6677F16C2204/52F16C2220/70F16C2223/06F16C2223/42Y02T10/865
    • A coating material having heat resistance, wear resistance and low friction characteristics is provided to enable an operating body such as a rotary shaft operated at a high speed in an oil-free state under medium temperature(400 to 500 deg.C) conditions resist well against friction, heating and wear generated due to a contact of the operating body with a bearing by coating the coating material on the operating body, and a coating method that can maintain durability of the coating material coated on the operating body for a long time is provided. In a coating material coated on surfaces of operating bodies of machinery and equipment, the coating material comprises 15 to 25 wt.% of antimony trioxide(Sb2O3), 50 to 70 wt.% of a binder, 10 to 20 wt.% of tungsten disulfide(WS2), and 5 to 15 wt.% of silver(Ag). In a coating material coated on surfaces of operating bodies of machinery and equipment, the coating material comprises 15 to 25 wt.% of antimony trioxide(Sb2O3), 40 to 65 wt.% of a binder, 10 to 20 wt.% of tungsten disulfide(WS2), 5 to 15 wt.% of silver(Ag), and 5 to 15 wt.% of molybdenum oxide(MoO3). The binder comprises 60 to 80 wt.% of nickel(Ni) and 20 to 40 wt.% of chromium(Cr). The binder further comprises more than 0 to 10 wt.% of aluminum(Al) based on the total weight of nickel and chromium. A method of coating a coating material comprises the steps of: (a) crushing the coating material; (b) crushing a binder; (c) primarily coating the crushed binder on a surface of an operating body; (d) secondly coating the crushed coating material on a first coating layer of the binder; and (e) grinding and polishing a surface of a second coating layer of the coating material.
    • 提供具有耐热性,耐磨性和低摩擦特性的涂层材料,以使得诸如在中等温度(400至500℃)条件下无油状态下高速操作的旋转轴的操作体能够良好地抵抗 防止由于操作体与轴承的接触而产生的摩擦,加热和磨损,通过将涂覆材料涂覆在操作体上,以及能够长时间保持涂覆在操作体上的涂层材料的耐久性的涂布方法是 提供。 在涂覆在机械和设备的操作体的表面上的涂料中,涂料包含15-25重量%的三氧化锑(Sb2O3),50-70重量%的粘合剂,10-20重量%的钨 二硫化物(WS2)和5〜15重量%的银(Ag)。 在涂覆在机械和设备的操作体表面上的涂料中,涂料包含15-25重量%的三氧化锑(Sb2O3),40-65重量%的粘合剂,10-20重量%的钨 二硫化物(WS2),5〜15重量%的银(Ag)和5〜15重量%的氧化钼(MoO 3)。 粘合剂包含60至80重量%的镍(Ni)和20至40重量%的铬(Cr)。 基于镍和铬的总重量,粘合剂还包含大于0至10重量%的铝(Al)。 涂覆涂料的方法包括以下步骤:(a)粉碎涂料; (b)压碎粘合剂; (c)主要在操作体的表面上涂覆压碎的粘合剂; (d)二次将粉碎的涂料涂覆在粘合剂的第一涂层上; 和(e)研磨和抛光涂层材料的第二涂层的表面。