2312 アルミシリンダ用ピストンリングの摺動評価(S26 エンジントライボロジーと潤滑油,21世紀地球環境革命の機械工学:人・マイクロナノ・エネルギー・環境)

概要

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Sliding evaluation of some surface modified piston rings for aluminum (A390) cylinder was conducted using a reciprocating wear tester. Large amount of wear including abnormal wear has been observed on the cylinder surfaces in combination with piston rings with Cr containing surface modifications, i.e., Cr plating, ion plated CrN, and nitriding of martensitic stainless steel with high Cr content. It has also been observed in sliding with nitrided piston rings that the cylinder wear is increased with Cr content of ring material. On the contrary, DLC (Diamond Like Carbon) coated piston ring has shown superior anti-wear performance (no damage for cylinder) for the aluminum cylinder.
2008-08-02