Effect of surface textures of steel sheets on the crystal orientation of electrodeposited zinc

Honami Kawano, Satoshi Oue, Takashi Futaba, Akinobu Kobayashi, Yasuto Goto, Hiroaki Nakano

研究成果: Contribution to journalReview article査読

5 被引用数 (Scopus)

抄録

Prior to electrodeposition, the steel sheets were polished with each method such as emery paper, buff and electrolytic polishing, and Zn deposition was performed galvanostatically at 1500 A/m2 in an agitated sulfate solution at 40 °C to investigate the effect of surface textures of steel sheets on the crystal orientation of Zn. The strain of steel surface and the degree of decrease in grain size of Fe by the strain were largest with emery paper polishing, and were larger in the order with buff polishing, polishing-free, and were smallest with electrolytic polishing. The preferred orientation of the {0001} Zn basal plane of the hcp structure was largest with electrolytic polishing, and was larger in the order with polishing-free, buff polishing, and was smallest with emery paper polishing. That is, the preferred orientation of the {0001} Zn increased with decreasing the strain of steel sheets and increasing the grain size of Fe. With electrolytic polishing, since the strain of steel sheets decreased and the grain size of Fe increased, the epitaxial growth of deposited Zn was easy to occur. The initial Zn deposits seems to grow epitaxially according to the orientation relationship of {111}Fe//{0001}Zn because the preferred orientation of the steel substrate used in this study is {111} Fe. The preferred orientation of the {0001} Zn seems to increase under the conditions where the epitaxial growth of deposited Zn is easy to occur.

本文言語英語
ページ(範囲)227-234
ページ数8
ジャーナルTetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan
104
4
DOI
出版ステータス出版済み - 4 2018

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Metals and Alloys
  • Materials Chemistry

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