Tribology and Lubricants

Korean Tribology Society (한국트라이볼로지학회)
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Tribological Characteristics of MoS$_2$ Coatings in High Vacuum

고진공하에서의 $MoS_2$ 코팅의 트라이볼로지적 특성

  • Published : 2000.12.01
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Abstract

The friction and wear behaviors of MoS$_2$ coatings were investigated by using a pin and disk type tester. The experiment was conducted by using silicon nitride as pin material and MoS$_2$-on-bearing steel as disk material under different operating conditions that include linear sliding velocities in the range of 22-66 ㎜/sec, normal loads varying from 9.8 N to 29.4 N, corresponding to maximum contact pressures of 1.18-2.83 GPa and atmospheric conditions of high vacuum, medium vacuum, ambient air. The results showed that low friction coefficient of the coating has been identified in high vacuum and that friction coefficient and wear volume increased with increasing normal load. Also at high load conditions, the friction coefficient and wear volume increased with increasing sliding velocity.

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