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        고체윤활제 Cu₂S첨가 소결청동의 미끄럼 마찰마모특성 연구

        이한영(Han-young Lee),池永 明(Akira Ikenaga) 韓國潤滑學會 2007 한국윤활학회지(윤활학회지) Vol.23 No.2

        MoS₂ is a well-known metal sulfide applied as solid lubricants and an additive to prolong the life of sintered bearings under severe conditions. However, the high price of MoS₂ limited its wide application. This study is aimed to investigate the possibility for application to solid lubricants for Cu₂S as a substitute of MoS₂. Bronzes added Cu₂S and MoS₂ are produced by powder metallurgy in this study, and then evaluated their friction and wear properties., as well as sintered bronze. The sliding wear test using pin-on-disc type machine, was conducted at several sliding speeds for three type test pieces, sintered bronzes added Cu₂S and MoS₂ and sintered bronze without lubricants. Addition of Cu₂S to bronze leads to relatively good friction properties, although it is not so good as addition of MoS₂. However, the wear properies of sintered bronze added Cu₂S are better than that of sintered bronze added MoS₂.

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