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  • Summary & Details

Friction Reduction Mechanism by Combination of Nano and Micro-Texture on Hydrogen-Free DLC Coatings

水素フリーDLC膜上におけるナノ周期構造とマイクロテクスチャの組合せによる低フリクション化メカニズム

Detailed Information

Author(J)1) 樋口 毅, 2) 伊澤 佳典, 3) 平山 勇人, 4) 丸山 典良, 5) 高橋 育郎, 6) 小野 敬, 7) 宮原 裕之
Author(E)1) Tsuyoshi Higuchi, 2) Yoshinori Izawa, 3) Hayato Hirayama, 4) Noriyoshi Maruyama, 5) Ikurou Takahashi, 6) Takashi Ono, 7) Hiroyuki Miyahara
Affiliation(J)1) 日産自動車, 2) 日産自動車, 3) 日産自動車, 4) リケン, 5) リケン, 6) リケン, 7) リケン
Affiliation(E)1) Nissan Motor, 2) Nissan Motor, 3) Nissan Motor, 4) RIKEN, 5) RIKEN, 6) RIKEN, 7) RIKEN
Abstract(J)エンジン動弁系部品であるバルブリフター冠面のDLC表面にナノサイズとマイクロサイズの複合テクスチャパターンを付与し,さらなるフリクション低減を実現した.サイズの異なる2つのテクスチャパターンの感度評価を通じて,摺動面におけるトライボフィルム生成の観点から低フリクション効果発現のメカニズムを報告する.

Translation

Abstract(E)A composite texture pattern of nano size and micro size is added to the DLC surface of the valve lifter surface, which is an engine valve system component, to further reduce friction. Through the sensitivity evaluation of two different size texture patterns, we report the mechanism of friction reduction mechanism from the viewpoint of tribo film formation on the sliding surface.

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