Effect of Ni precoating and organic additives on the morphology of zinc electrodeposit

Hiroaki Nakano, Kuniyasu Araga, Masatoshi Iwai, Junji Kawafuku

研究成果: ジャーナルへの寄稿記事

18 引用 (Scopus)

抄録

The effect of Ni precoating and organic additives on the morphology of zinc electrodeposit was investigated by using the polycrystal commercial low carbon Al-killed steel sheet as a base material and the sulfate bath under the Ni precoating weight of 10-200 mg/m2 and adding organic compound of 5-1000 ppm to bath. (1) Without reference to plating conditions, zinc electrodeposits grow heteroepitaxially at preferred orientations of (0002), (101̄3) and (0004)Zn of which angle between Zn basal plane and the sheet surface plane is less than 45°, zinc electrodeposits grow randomly at preferred orientations of (101̄2), (101̄1) (101̄0) and (112̄0)Zn of which angle between Zn basal plane and the sheet surface plane is larger than 45°. (2) When surface condition of sheet is changed by Ni precoating, fine zinc electrodeposits grow randomly from initial stage of plating, so that surface of zinc electrodeposits is smooth. (3) When organic compound is added to bath, the morphology of zinc electrodeposit changes according to the amount of additive. When the amount of additive is small, the morphology of zinc is same as that under Ni precoating condition. When the amount of additive is large, Zn basal plane grows vertically to the sheet surface plane and surface of zinc electrodeposit is rough because of high overvoltage of electrodeposit.

元の言語英語
ページ(範囲)339-344
ページ数6
ジャーナルTetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan
84
発行部数5
DOI
出版物ステータス出版済み - 1 1 1998
外部発表Yes

Fingerprint

Zinc
zinc
baths
plating
organic compounds
Organic compounds
Plating
overvoltage
Polycrystals
polycrystals
Steel sheet
Sulfates
sulfates
Carbon
steels
carbon

All Science Journal Classification (ASJC) codes

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

これを引用

Effect of Ni precoating and organic additives on the morphology of zinc electrodeposit. / Nakano, Hiroaki; Araga, Kuniyasu; Iwai, Masatoshi; Kawafuku, Junji.

:: Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan, 巻 84, 番号 5, 01.01.1998, p. 339-344.

研究成果: ジャーナルへの寄稿記事

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