Effect of crystalline structure on the corrosion behavior of the Co-Cr-Mo alloy in 2.5 M H2SO4 + 0.2 M NaCl solution

Daichi Nakato, Masahiko Hatakeyama*, Norio Nunomura, Satoshi Sunada

*この論文の責任著者

研究成果: ジャーナルへの寄稿学術論文査読

1 被引用数 (Scopus)

抄録

Corrosion behaviors of Co-Cr-Mo alloys with fcc and hcp structures, respectively, were investigated by polarization tests and weight-loss method in 2.5 M H2SO4 + 0.2 M NaCl solution. Samples were heat treated and single-phase fcc samples, single-phase hcp samples and mixed-phase samples were obtained. Polarization tests and weight-loss method shows that the fcc Co-Cr-Mo alloy has better corrosion-resistant characteristic than the hcp Co-Cr-Mo alloy. It was also revealed that similar corrosion-resistant characteristic to the fcc single-phase was obtained even in a Co-Cr-Mo alloy having a mixed composition of the dominant fcc phase and a small amount of the hcp phase.

本文言語英語
論文番号111471
ジャーナルCorrosion Science
223
DOI
出版ステータス出版済み - 2023/10

ASJC Scopus 主題領域

  • 化学一般
  • 化学工学一般
  • 材料科学一般

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