Development of diamond-like carbon (DLC) coating compatible surface by Fine Particle Bombardment (FPB)

Y. Kameyama, A. Niwa, J. Komotori

研究成果: Conference article査読

抄録

To improve adhesion of DLC coatings, Fine Particle Bombardment (FPB) treatment using Cr based shot particles was performed. After the FPB treatment, DLC coating process was generated on the Chromium-molybdenum steel. The FPB treatment distributes diffused Cr elements onto the treated surface, creating a Cr-rich layer. The FPB treatment increases the surface hardness and roughness which also affect the adhesion of DLC coatings. Wear test was conducted to compare the tribological properties of the DLC coated FPB treated steels and that of the DLC coated non FPB treated ones. The DLC coated surface, after FPB treatment, kept low friction coefficient, while the DLC coated non FPB treated ones showed a sudden increase due to the delamination of DLC layer. These results imply that delamination of the DLC coating was suppressed by the Cr-rich surface layer created by the previous FPB treatment. Consequently, the applied method was effective to improve the adhesion of DLC coatings.

本文言語English
ページ(範囲)1903-1908
ページ数6
ジャーナルKey Engineering Materials
353-358
PART 3
DOI
出版ステータスPublished - 2007
イベントAsian Pacific Conference for Fracture and Strength (APCFS'06) - Sanya, Hainan Island, China
継続期間: 2006 11月 222006 11月 25

ASJC Scopus subject areas

  • 材料科学一般
  • 材料力学
  • 機械工学

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