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  • Summary & Details

Development of Thick DLC Coated Piston Ring for Stainless Steel Thermal Spray Coating of Cylinder Bores

ステンレス溶射ボアに対応した厚膜DLCピストンリングの開発

Detailed Information

Category(J)技術論文

Translation

Category(E)TechnicalPaper
Author(J)1) 平山 勇人, 2) 柴田 大輔, 3) 内海 貴人, 4) 樋口 毅, 5) 野間 俊, 6) 篠原 章郎
Author(E)1) Hayato Hirayama, 2) Daisuke Shibata, 3) Yoshito Utsumi, 4) Tsuyoshi Higuchi, 5) Takashi Noma, 6) Akio Shinohara
Affiliation(J)1) 日産自動車, 2) 日産自動車, 3) 日産自動車, 4) 日産自動車, 5) 日産自動車, 6) リケン
Abstract(J)ステンレス溶射ボアに対応した厚膜DLCピストンリングを開発した。FVA法を用いたDLCの成膜により、ドロップレットが少ない状態で厚膜化および低硬度化を実現し、CrN膜の廃止による凝着摩耗課題およびDLC膜変形能向上によるアブレシブ摩耗課題の両方を解決した。

Translation

Abstract(E)A thick hydrogen-free diamond-like carbon (DLC) coated piston ring was developed for stainless steel sprayed bores. By applying the filtered vacuum arc method, the thick DLC and low hardness were achieved with less droplets, which solves both the adhesive wear by eliminating the chromium nitride coating and the abrasive wear by improving the DLC deformation ability.

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