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    • 4. 发明申请
    • Cu-BASED SINTERED SLIDING MEMBER
    • 基于Cu的烧结滑动构件
    • US20150037196A1
    • 2015-02-05
    • US14520479
    • 2014-10-22
    • DIAMET CORPORATION
    • Yoshinari IshiiTsuneo MaruyamaYoshiki Tamura
    • B22F3/26B22F1/00B22F5/00B22F3/12
    • B22F3/26B22F1/007B22F3/12B22F5/00B22F2003/248B22F2301/10B22F2302/40B22F2302/45C22C1/0425C22C9/02C22C9/06C22C32/0084C22C32/0089F16C33/121
    • A Cu-based sintered sliding member that can be used under high-load conditions. The sliding member is age-hardened, including 5 to 30 mass % Ni, 5 to 20 mass % Sn, 0.1 to 1.2 mass % P, and the rest including Cu and unavoidable impurities. In the sliding member, an alloy phase containing higher concentrations of Ni, P and Sn than their average concentrations in the whole part of the sliding member, is allowed to be present in a grain boundary of a metallic texture, thereby achieving excellent wear resistance. Hence, without needing expensive hard particles, there can be obtained, at low cost, a Cu-based sintered sliding member usable under high-load conditions. Even more excellent wear resistance is achieved by containing 0.3 to 10 mass % of at least one solid lubricant selected from among graphite, graphite fluoride, molybdenum disulfide, tungsten disulfide, boron nitride, calcium fluoride, talc and magnesium silicate mineral powders.
    • 可在高负荷条件下使用的Cu基烧结滑动件。 滑动构件经时效硬化,其中包括5至30质量%的Ni,5至20质量%的Sn,0.1至1.2质量%的P,其余包括Cu和不可避免的杂质。 在滑动构件中,允许在金属组织的晶界中存在Ni,P和Sn的含量高于其在滑动构件的整个部分中的平均浓度的合金相,从而获得优异的耐磨性。 因此,在不需要昂贵的硬质颗粒的情况下,可以以低成本获得可在高负载条件下使用的Cu系烧结滑动构件。 通过含有0.3〜10质量%的选自石墨,氟化石墨,二硫化钼,二硫化钨,氮化硼,氟化钙,滑石粉和硅酸镁矿物粉末中的至少一种固体润滑剂,可以获得更优异的耐磨性。