Effects of severe plastic deformation on the corrosion behavior of aluminum alloys

Eiji Akiyama, Zuogui Zhang, Yoshimi Watanabe, Kaneaki Tsuzaki

研究成果: ジャーナルへの寄稿学術誌査読

59 被引用数 (Scopus)

抄録

Effects of severe plastic deformation on the corrosion behaviors of Al alloys containing precipitates have been investigated. Al and its alloys were severely deformed by equal-channel angular pressing (ECAP) processes and the corrosion behaviors of the Al alloys were evaluated by means of potentiodynamic polarization in a neutral buffer solution containing 0.002 M chloride ion. Introduction of huge plastic deformation to both of Al-5.4 wt% Ni and Al-5 wt% Cu alloys increased pitting potential. In contrast, ECAP treatment of 4N pure Al resulted in a decrease in open circuit potential, slight increase of passive current and shift of pitting potential to the negative direction. The influence of the change in microstructures caused by severe plastic deformation was investigated.

本文言語英語
ページ(範囲)277-282
ページ数6
ジャーナルJournal of Solid State Electrochemistry
13
2
DOI
出版ステータス出版済み - 2月 2009
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 材料科学一般
  • 凝縮系物理学
  • 電気化学
  • 電子工学および電気工学

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