A Study for the improvements of reliability and energy efficiency of electrical contacts by metal-containing diamond-like carbon coatings

• Project/Area Number: 22560150
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Design engineering/Machine functional elements/Tribology
• Research Institution: Nihon University
• Principal Investigator: ITO Kosuke 日本大学, 工学部機械工学科, 准教授 (40420004)
• Project Period (FY): 2010 – 2012
• Project Status: Completed (Fiscal Year 2012)
• Budget Amount: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000); Fiscal Year 2012: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000); Fiscal Year 2011: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000); Fiscal Year 2010: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
• Keywords: 薄膜 / 摩擦 / 摩耗 / DLC / トライボロジー / 機械要素 / 設計工学 / 炭素系材料 / 電気自動車

Research Abstract

Properties of metal-containing DLCs were characterized, and the importance of mechanical properties and chemical stability of the metal species was shown. For tribo-systems to be operated in air, copper was suitable as the metal species. For those in vacuum, the possibility of Me-DLC was also shown. New findings on the selection of metal species and mating materials and the range of effective load that helps tribo-system design were obtained.

Research Products

• [Presentation] The effect of pre-sliding in air on the tribological properties of DLC/Cr-DLC bi-gradient coating against stainless steel in vacuum (2013)
  • Author(s): Kosuke Ito, Koji Matsumoto, Takanori Takeno, Junichi Takaku, and Koshi Adachi
  • Organizer: World Tribology Congress 2013
  • Place of Presentation: Torino, Italy.
• [Presentation] Load-dependent friction behavior of metal diamondlike-carbon nano-composite coatings (2013)
  • Author(s): Minoru Goto, Julien Fontaine, Sandrine Bec, Kosuke Ito, Takanori Takeno, and Hiroyuki Miki
  • Organizer: World Tribology Congress 2013
  • Place of Presentation: Torino, Italy.
• [Presentation] The effect of pre-sliding in air on the tribological properties of DLC/Cr-DLC bi-gradient coating against stainless steel in vacuum (2013)
  • Author(s): Kosuke ITO
  • Organizer: World Tribology Congress 2013
  • Place of Presentation: Torino, Italy
• [Presentation] Load-dependent friction behavior of metal diamondlike-carbon nano-composite coatings (2013)
  • Author(s): Minotu GOTO
  • Organizer: World Tribology Congress 2013
  • Place of Presentation: Torino, Italy
• [Presentation] Study of Contact Alignment for The Slider Specimen of Tribometer (2011)
  • Author(s): M.Goto, K.Ito, et al
  • Organizer: AFI/TFI-2011
  • Place of Presentation: Sendai, Japan
  • Year and Date: 2011-11-10
• [Presentation] The role of tribofilm growth on the frictional behavior of copper-diamond-like carbon nanocomposite coating (2011)
  • Author(s): M.Goto, K.Ito, et al
  • Organizer: 38th Leeds-Lyon Symposium on Tribology
  • Place of Presentation: Lyon, France
  • Year and Date: 2011-09-09
• [Presentation] Thierry Le Mogne, The role of tribofilm growth on the frictional behavior of copper-diamond-like carbon nanocomposite coating (2011)
  • Author(s): Minoru Goto, Julien Fontaine, Sandrine Bec, Kosuke Ito, Takanori Takeno, Maxime Ruet, Hiroyuki Miki, Michel Belin
  • Organizer: 38thLeeds-Lyon Symposium on Tribology
  • Place of Presentation: Lyon, France.
• [Presentation] Triboloical Behavior and Electrical Contact Resistance of Metal-Containing DLC Coating for electrically Conductive Tribo-Elements (2010)
  • Author(s): Julien Fontaine, Michel Belin, Toshiyuki Takagi, Hiroyuki Miki, Koushi Adachi, Takanori Takeno, Minoru Goto, Kosuke Ito
  • Organizer: IFS Collaborative Research Forum(AFI/TFI-2010)
  • Place of Presentation: Sendai, Japan.
  • Year and Date: 2010-11-02
• [Presentation] Triboloical Behavior and Electrical Contact Resistance of Metal-Containing DLC Coating for electrically Conductive Tribo-Elements (2010)
  • Author(s): Hiroyuki Miki, Kosuke Ito, 他
  • Organizer: IFS Collaborative Research Forum(AFI/TFI-2010)
  • Place of Presentation: Sendai, Japan
  • Year and Date: 2010-11-02
• [Presentation] Tribological Behaviour of Nanocluster Silicon-Containing Diamond-like Carbon Coatings under Different Load Conditions (2010)
  • Author(s): Hiroyuki Miki, Toshifumi. Sugawara, Maxime Ruet, Kosuke Ito, Takanori Takeno, Julien Fontaine, Michel Belin ,Toshiyuki Takagi
  • Organizer: Seventh International Conference on Flow Dynamics, Sendai
  • Place of Presentation: Sendai, Japan.
  • Year and Date: 2010-11-01
• [Presentation] Tribological Behaviour of Nanocluster Silicon-Containing Diamond-like Carbon Coatings under Different Load Conditions (2010)
  • Author(s): Hiroyuki Miki, Kosuke Ito, 他
  • Organizer: Seventh International Conference on Flow Dynamics, Sendai
  • Place of Presentation: Sendai, Japan
  • Year and Date: 2010-11-01
• [Presentation] Tribological behaviour of nanocluster silicon-containing diamond-like carbon coatings under different load conditions (2010)
  • Author(s): Hiroyuki Miki, Toshifumi Sugawara, Maxime Ruet, Kosuke Ito, Takanori Takeno, Julien Fontaine, Michel Belin, Toshiyuki Takagi
  • Organizer: 5th International Conference on Surfaces, Coatings and Nanostructured Materials
  • Place of Presentation: Reims, France.
• [Presentation] Tribological behaviour of nanocluster silicon-containing diamond-like carbon coatings under different load conditions (2010)
  • Author(s): Hiroyuki Miki, Kosuke Ito, 他
  • Organizer: 5th International Conference on Surfaces, Coatings and Nanostructured Materials
  • Place of Presentation: Reims, France