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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/48242

Title: Investigation on the Corrosion Resistance of Trivalent Chromium Conversion Passivate on Electroplated Zn-Ni Alloy
Authors: H. H. Sheu
H. B. Lee
S. Y. Jian
C. Y. Hsu
C. Y. Lee
Contributors: 國立臺灣海洋大學:光電與材料科技學系
Keywords: Electroplated Zn–Ni alloy
Nickel-rich
Trivalent chromium
Corrosion resistance
Date: 2016-08
Issue Date: 2018-08-20T03:27:41Z
Publisher: Surface and Coatings Technology
Abstract: Abstract: The corrosion resistance of electroplated Zn–Ni alloy using trivalent chromium conversion treatment in alkaline electrolyte was investigated. Among the Zn–Ni coatings electroplated on steel substrate with raising current densities, the Ni content and corrosion resistance increased accordingly. Further conversion treatment generated passivates which thickness increased with treatment durations. The passivation film showed Ni rich content comparing with its pristine Zn–Ni coating and mainly composed of Cr2O3, ZnO and NiO. The passivation film improved corrosion resistance. However, the 30-s treated specimen showed best corrosion resistance because of its moderate thickness and less dehydration voids and cracking in the passivation film.
Relation: 305 pp.241-248
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/48242
Appears in Collections:[光電科學研究所] 期刊論文

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