Corrosion response of stainless steel (SUS316) ground by ELID (Electrolytic In-Process Dressing) grinding method

Masayoshi Mizutani, Jun Komotori, Jin Nagata, Kazutoshi Katahira, Hitoshi Ohmori

研究成果: Article査読

抄録

To clarify the corrosion resistance of ELID ground stainless steel, electrochemical corrosion tests were carried out using a three electrode electrochemical cell connected to a computer driven potentiostat. Before the tests, morphologies of the finished surfaces were analyzed by a Scanning Electron Microscope (SEM) equipped with an Energy Dispersive X-ray analyzer (EDX) and X-ray Photoelectron Spectroscopy (XPS). A very smooth surface was achieved by the ELID grinding process with the use of extremely fine abrasives. The value of the surface roughness (R a) for the ELID ground sample was similar to that of the sample polished with an alumina powder. The corrosion properties of the ELID ground samples with a smooth surface were superior to those of alumina polished specimens. This was attributed to the ELID grinding, producing a very thick and stable oxide layer which showed a superior corrosion resistance compared to that of the alumina polished samples. Consequently, the ELID process seems to be a promised technology in this forthcoming future for bio-implants and other engineering components used under a corrosive environment.

寄稿の翻訳タイトルCorrosion response of stainless steel (SUS316) ground by ELID (Electrolytic In-Process Dressing) grinding method
本文言語Japanese
ページ(範囲)1178-1183
ページ数6
ジャーナルZairyo/Journal of the Society of Materials Science, Japan
54
11
DOI
出版ステータスPublished - 2005 11月

Keywords

  • Bio-implant
  • Corrosion response
  • ELID grinding method
  • Stainless steel
  • Surface modification

ASJC Scopus subject areas

  • 材料科学一般
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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