EVALUATION OF TRANSFORMED LAYER HARDNESS OF DLC COATING AFTER FRICTION TEST

Authors

  • Nor Azmmi Masripan Department of Mechanical Science and Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8603, Japan
  • Yosuke Tsukiyama Faculty of Engineering, Niigata University, 8050, Ikarashi 2-no-cho, Nishi-ku, Niigata 950-2181, Japan.
  • Kenji Ohara Department of Mechanical Science and Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8603, Japan
  • Noritsugu Umehara Department of Mechanical Science and Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8603, Japan
  • Hiroyuki Kousaka Department of Mechanical Science and Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8603, Japan
  • Takayuki Tokoroyama Department of Mechanical Science and Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8603, Japan
  • Shigeru Inami Research & Development Department, Daido Metal Co. Ltd., Maehara, Inuyama, Aichi 484-0061, Japan
  • Koji Zushi Research & Development Department, Daido Metal Co. Ltd., Maehara, Inuyama, Aichi 484-0061, Japan
  • Masahito Fujita Research & Development Department, Daido Metal Co. Ltd., Maehara, Inuyama, Aichi 484-0061, Japan

DOI:

https://doi.org/10.11113/jt.v78.9761

Keywords:

DLC, scratch test, graphitization, transformed layer hardness

Abstract

Diamond-like carbon (DLC) provide very excellence performance in term of friction coefficient and wear resistance under boundary   lubrication. the  nano characteristic of the transformed  layer has not  been studied  in terms  of its  hardness  which is believed to  have a significant  effect in the tribological  performance. This study presented the scratch test of the DLC transformed layer was obtained from the AFM scratch test that governs the friction behavior of DLC. As a result, the hardness of the DLC transformed layer depends on the oil temperature, where the sliding interface of DLC softened during the friction test due to graphitization process

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Published

2016-10-05

Issue

Vol. 78 No. 10-3: Inspiring Future Technology through Knowledge Collaboration

Section

Science and Engineering

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Copyright of articles that appear in Jurnal Teknologi belongs exclusively to Penerbit Universiti Teknologi Malaysia (Penerbit UTM Press). This copyright covers the rights to reproduce the article, including reprints, electronic reproductions, or any other reproductions of similar nature.

How to Cite

EVALUATION OF TRANSFORMED LAYER HARDNESS OF DLC COATING AFTER FRICTION TEST. (2016). Jurnal Teknologi (Sciences & Engineering), 78(10-3). https://doi.org/10.11113/jt.v78.9761