Effects of small amounts of molybdenum, tungsten, or tin additives on the morphology and orientation of electrodeposited zinc

Hiroaki Nakano, Satoshi Oue, Shoichi Taniguchi, Shigeo Kobayashi, Hisaaki Fukushima

研究成果: ジャーナルへの寄稿記事

11 引用 (Scopus)

抄録

Zn was electrodeposited galvanostatically on a steel sheet at 1 500 A/m2 in an agitated sulfate solution of pH 2 at 40°C to investigate the effects of small amounts of Mo, W, or Sn additives on the morphology, crystal orientation and lightness of the deposited Zn. Neither Mo nor W codeposited with Zn, and both showed hardly any effect on the morphology of the deposited Zn. Mo and W increased the orientation of the (0001) plane of Zn, but did not change the overpotential for Zn deposition. Sn codeposited with Zn and, as a result, platelet crystals of Zn did not form. Sn increased the crystal orientation of the (0001) and (101̄3) planes of Zn as a result of a decrease in the overpotential for Zn deposition. The lightness of the deposited Zn depended on its crystal orientation and surface roughness. At a coating mass of 20g/m2, Sn, Mo and W enhanced the lightness of Zn by increasing the orientation of its (0001) and (101̄3) planes. At higher coating masses, however, this enhancement in lightness disappeared as a result of the increase in surface roughness induced by the presence of the inorganic additives.

元の言語英語
ページ(範囲)634-639
ページ数6
ジャーナルisij international
48
発行部数5
DOI
出版物ステータス出版済み - 7 30 2008

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Tungsten
Molybdenum
Tin
Crystal orientation
Zinc
Surface roughness
Coatings
Steel sheet
Platelets
Sulfates
Crystals

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

これを引用

Effects of small amounts of molybdenum, tungsten, or tin additives on the morphology and orientation of electrodeposited zinc. / Nakano, Hiroaki; Oue, Satoshi; Taniguchi, Shoichi; Kobayashi, Shigeo; Fukushima, Hisaaki.

:: isij international, 巻 48, 番号 5, 30.07.2008, p. 634-639.

研究成果: ジャーナルへの寄稿記事

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AU - Kobayashi, Shigeo

AU - Fukushima, Hisaaki

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