Influences of Film Deposition Condition on Friction of Diamond-Like Carbon Film: A Theoretical Investigation

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概要

• 論文の詳細を見る

• We theoretically investigated influences of film deposition condition on a friction of diamond-like carbon (DLC) film using our developed molecular dynamics method. The method can deal with chemical reactions on the basis of our original stochastic equation. DLC slab model was firstly constructed, and carbon atoms were deposited onto its surface with various kinetic energies (1, 10 and 30 eV) to mimic physical vapor deposition process. Lower sp3 carbon concentration and density were obtained for the 1 eV case and “subplantation” phenomenon was found for each model. The dynamical friction of the deposited DLC film/iron oxide combination was also simulated. The friction coefficient for the deposited film with kinetic energy of 1 eV was much lower than that of 10 and 30 eV cases due to the friction-induced structural change. The simulations provided us an important insight on DLC film preparation to achieve low friction regime.

• 社団法人 日本トライボロジー学会の論文

著者

• Tsuboi Hideyuki

  Department of Cardiology, Ogaki Municipal Hospital

• 久保 百司

  東北大学大学院工学研究科

• Onodera Tasuku

  Department of Applied Chemistry, Graduate School of Engineering, Tohoku University

• Kuriaki Takanori

  Department of Chemical Engineering, Graduate School of Engineering, Tohoku University

• Bai Shandan

  Department of Chemical Engineering, Graduate School of Engineering, Tohoku University

• Nagumo Ryo

  New Industry Creation Hatchery Center, Tohoku University

• Miura Ryuji

  Department of Chemical Engineering, Graduate School of Engineering, Tohoku University

• Suzuki Ai

  New Industry Creation Hatchery Center, Tohoku University

• Hatakeyama Nozomu

  Department of Applied Chemistry, Graduate School of Engineering, Tohoku University

• Endou Akira

  Department of Applied Chemistry, Graduate School of Engineering, Tohoku University

• Takaba Hiromitsu

  Department of Chemical Engineering, Graduate School of Engineering, Tohoku University

• Kubo Momoji

  Fracture and Reliability Research Institute, Graduate School of Engineering, Tohoku University

• Miyamoto Akira

  New Industry Creation Hatchery Center, Tohoku University

• Suzuki Ai

  New Ind. Creation Hatchery Center Tohoku Univ.

• Takaba Hiromitsu

  Department Of Applied Chemistry Graduate School Of Engineering Tohoku University

• Tsuboi Hideyuki

  Department Of Applied Chemistry Graduate School Of Engineering Tohoku University

• Endou Akira

  Department Of Applied Chemistry Graduate School Of Engineering Tohoku University

• Hatakeyama Nozomu

  Department Of Applied Chemistry Graduate School Of Engineering Tohoku University

• Onodera Tasuku

  Department Of Applied Chemistry Graduate School Of Engineering Tohoku University

• Miura Ryuji

  Department of Applied Chemistry, Graduate School of Engineering, Tohoku University, 6-6-11-1302 Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan

• Miyamoto Akira

  New Industry Creation Hatchery Center (NICHe), Tohoku University, 6-6-10 Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan

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