レジン結合固体潤滑剤被膜の摩擦摩耗特性 : 固体潤滑剤がPTFEとMoS_2の場合(機械要素,潤滑,工作,生産管理など)

概要

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In the friction characteristics of the polyamideimide (PAI) resin bonded PTFE films, the friction coefficient (μ) kept approximate constant low value, and then rose, finally turned out to be the value of final use life. Moreover, μ decreased with the content of PTFE. On the other band, the following interesting characteristics were shown in the PAI resin bonded MoS_2. That is, μ initially increased with the sliding distance. After showing the maximum value, μ began to decrease, indicating a low level value for a long distance. And then, μ rose again and reached the value of final use life. In the wear characteristic, the PTFE films showed "initial wear" and "steady-state wear", and the wear rate was different at various content rates. For the PAI resin bonded MoS_2 almost the same thickness as the film thickness was worn out at early states. From the viewpoint of the relative relationship of the hardness between the lubricant particle and the PAI resin binder, it was discussed that PTFE functioned from the first stage as a lubricant, while MoS_2 functioned as a lubricant after the film almost disappeared and MoS_2 particles were extended to the thin film on the friction surface.
社団法人日本機械学会の論文
2004-01-25