二円筒試験におけるすずめっき熱拡散処理層の摩擦特性

概要

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To clarify the frictional characteristics and the seizure resistance of austenitic stainless steel SUS 304 rollers and martensitic stainless steel SUS 440C rollers, of which the surface layer was thermally diffused at a temperature of about 400℃ after being Sn-plated, a two-roller test was carried out under forced lubrication and dry friction using an Amusler machine. From the test, the following results were obtained. Under forced lubrication, the seizure resistance of the rollers with the diffused layer was at least six times as large as that without the diffused layer, and the seizure resistance of SUS 440 C rollers was considerably larger than that of SUS 304 rollers. The coefficient of friction of SUS 440 C rollers with the diffused layer was in the range of 0.05 to 0.06 at a normal load of more than 5 kN. The seizure resistance of the rollers under dry friction was less than a third of that under forced lubrication.
1994-06-25