Mg-contained Zn electroplating from aqueous solution containing quaternary ammonium salt

Hiroaki Nakano, Satoshi Oue, Shigeo Kobayashi, Hisaaki Fukushima, Kuniyasu Araga, Kazuo Okumura, Hiroo Shige

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Electrodeposition of Zn with Mg was tried using the rotating cylindric cathode in sulfate solutions containing Zn2+, Mg2+ and quaternary ammonium salt at 60°C under galvanostatic conditions. Mg was codeposited with Zn when the Zn deposition was significantly suppressed by the addition of stearyle benzyl ammonium chloride (C18-Benzyl) to the solution. The content of Mg in deposits was increased with an increase in the polarization of Zn deposition by additive C18-benzyl. The content of Mg in deposits was related to the content of C18-benzyl in deposits. XPS spectra of the deposits showed that Mg element in the deposits existed in bivalent state at low flow rate. However, in the deposits at high flow rate, the peak of Mg2s spectrum existed between bivalent and metallic Mg, suggesting that the chemical state of Mg may be changed depending on the flow rate. The duration to red rust occurrence in salt spray corrosion test was five times longer in Zn-0.4%Mg electroplated steel sheet than in electrogalvanized steel sheet.

Original languageEnglish
Pages (from-to)801-806
Number of pages6
JournalTetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan
Volume90
Issue number10
DOIs
Publication statusPublished - Oct 2004

Fingerprint

electroplating
Electroplating
Ammonium Compounds
Deposits
Salts
deposits
aqueous solutions
salts
flow velocity
Flow rate
Steel sheet
steels
rust fungi
Ammonium Chloride
corrosion tests
ammonium chlorides
Electrodeposition
electrodeposition
Sulfates
sprayers

All Science Journal Classification (ASJC) codes

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

Cite this

Mg-contained Zn electroplating from aqueous solution containing quaternary ammonium salt. / Nakano, Hiroaki; Oue, Satoshi; Kobayashi, Shigeo; Fukushima, Hisaaki; Araga, Kuniyasu; Okumura, Kazuo; Shige, Hiroo.

In: Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan, Vol. 90, No. 10, 10.2004, p. 801-806.

Research output: Contribution to journalArticle

Nakano, Hiroaki ; Oue, Satoshi ; Kobayashi, Shigeo ; Fukushima, Hisaaki ; Araga, Kuniyasu ; Okumura, Kazuo ; Shige, Hiroo. / Mg-contained Zn electroplating from aqueous solution containing quaternary ammonium salt. In: Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan. 2004 ; Vol. 90, No. 10. pp. 801-806.
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