발간논문

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Vol.38, No.12, 1652 ~ 1657, 2000
Title
Tribological Behavior of MoS2 - Ti Composite Coatings by D. C. Magnetron Sputtering
안영환Young Hwan Ahn,김선규Sun Kyu Kim
Abstract
Molybdeum disulfide (MoS₂) is widely used as a solid lubricant material for space and bearing applications. In this study, deposition of MoS₂-Ti composite thin films by D.C. magnetron sputtering was investigated to reduce rapid oxidation and the micro-structural change of MoS₂ film. The addition of Ti interlayer significantly extended the film`s wear life in proportion to increasing thickness of Ti. In the deposition of MoS₂-Ti thin film, the film showed best wear resistance when Ti content was in the range of 5-10 wt%. Codeposited Ti functioned as an oxygen getter to form TiO₂. When the Ti content in the composite film exceeded 10%, the interference of Ti in MoS₂ gliding mechanism decreased the film`s wear life.
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