Effects of Chemical Compositions on Plating Characteristics of Alkaline Non-Cyanide Electrogalvanized Coatings

被引：2
|
作者：
Wanotayan, Thanyalux [1 ]
Kantichaimongkol, Pongsakorn [2 ]
Chobaomsup, Viriyah [1 ]
Sattawitchayapit, Sirikarn [3 ]
Schmid, Klaus [4 ]
Metzner, Martin [4 ]
Chookajorn, Tongjai [3 ]
Boonyongmaneerat, Yuttanant [1 ]
机构：
[1] Chulalongkorn Univ, Met & Mat Sci Res Inst, Bangkok 10330, Thailand
[2] Chulalongkorn Univ, Grad Sch, Nanosci & Technol Interdisciplinary Program, Bangkok 10330, Thailand
[3] Natl Sci & Technol Dev Agcy NSTDA, Natl Met & Mat Technol Ctr MTEC, Pathum Thani 12120, Thailand
[4] Fraunhofer Inst Mfg Engn & Automat IPA, Dept Electroplating, D-70569 Stuttgart, Germany
来源：
NANOMATERIALS | 2020年 / 10卷 / 11期
关键词：
electrodeposition; zinc; nanostructures; characterization; ZINC ELECTRODEPOSITION; CORROSION-RESISTANCE; ORGANIC ADDITIVES; INTERNAL-STRESS; ZN; MORPHOLOGY; NUCLEATION; MECHANISM; EVOLUTION; TEXTURE;
D O I：
10.3390/nano10112101
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The effects of zinc and sodium hydroxide concentrations in an alkaline non-cyanide zinc bath on the electrodeposition characteristics of zinc deposits are systematically investigated. Using microstructural and phase analyses of specimens with specifically designed geometries, the study indicates that the bath formulations critically control the electrogalvanizing characteristics and affect the coating surface morphology, deposition rate, throwing power, coating uniformity, and residual stresses developed during and after electrogalvanizing. The coatings produced from baths with a moderate Zn-to-NaOH ratio of 0.067-0.092 appear to provide uniform and compact deposits, moderately high deposition rate, and relatively low residual stresses.
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页码：1 / 12
页数：12
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