Fe_5Si_3粒子分散Si_3N_4の摺動過程における潤滑油中の清浄分散剤の挙動とその摩擦特性に及ぼす影響

概要

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Frictional properties of Fe_5Si_3 dispersed Si_3N_4 were investigated using polyolester and normal oil with additives as lubricants ; the following results were obtained : 1) when polyolester was used, Fe_5Si_3 dispersed Si_3N_4 showed obviously lower friction coefficient than cast iron while friction coefficient of both materials were almost the same under normal oil testing conditions ; 2) chemical analysis proved that a relatively high amount of calcium-sulphonate as detergent-dispersant existed on wear track of Fe_5Si_3 dispersed Si_3N_4, while oiliness-agent was not detected. Those results suggested that adhering of calcium-sulphonate to the surface of Fe_5Si_3 dispersed Si_3N_4 reduced oiliness and raised the friction coefficient.
社団法人日本セラミックス協会の論文
2003-08-01