二円筒試験におけるラジカル窒化ステンレス鋼の摩擦特性

概要

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To clarify the frictional characteristics and the seizure resistance of radical nitrided stainless steel SUS 440 C rollers, a two-roller test was carried out under forced lubrication using Amusler machine. From the tests, the following results were obtained. The coefficient of friction with the roller pairs RA/RB, RA/NB and RA/RC was in the range of 0.063 to 0.077 at the final load range at which seizuring did not occur. The seizure resistance of the radical nitrided roller pair was at least five times as large as that of the untreated roller pair. The critical surface temperature at the incipient stage of seizure for the case of the radical nitrided roller pair was at least 2〜3 times as large as that for the case of the untreated roller pair. A significant effect of the surface treatment due to the radical nitriding on the seizure resistance of the roller pair was recognized for the case of the roller pairs in which both the slower and the faster rollers were nitrided, and/or only the slower roller was nitrided.
社団法人日本機械学会の論文
2000-03-25