Effects of electrodeposition parameters on corrosion resistance of ZnSn coatings on carbon steel obtained from eutectic mixture based on choline chloride and ethylene glycol

被引：16
作者：
Pereira, Juliermes C. [1 ,2 ]
dos Santos, Luis P. M. [1 ]
Alcanfor, Ana A. C. [3 ]
de Sant'Ana, Hosiberto B. [3 ]
Feitosa, Felipe X. [3 ]
Campos, Othon S. [5 ]
Correia, Adriana N. [4 ]
Casciano, Paulo N. S. [4 ]
de Lima-Neto, Pedro [4 ]
机构：
[1] Univ Fed Ceara, Ctr Tecnol, Programa Posgrad Engn & Ciencia Mat, BR-60440900 Fortaleza, Ceara, Brazil
[2] Univ Estadual Maranhao UEMA, CESC, Dept Matemat & Fis, Caxias, MA, Brazil
[3] Univ Fed Ceara, Dept Engn Quim, Ctr Tecnol, BR-60440900 Fortaleza, Ceara, Brazil
[4] Univ Fed Ceara, Ctr Ciencias, Dept Quim Analit & Fisicoquim, BR-60440900 Fortaleza, Ceara, Brazil
[5] Univ Fed Espirito Santo, Ctr Ciencias Exatas Nat & Saude, Dept Quim & Fis, BR-29500000 Alegre, ES, Brazil
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2021年 / 886卷
关键词：
Electrodeposition; Eutectic solution; ZnSn alloys; Corrosion; ALLOY COATINGS; ZINC; SOLVENTS; TEMPERATURE; PRODUCTS; BEHAVIOR; COPPER;
D O I：
10.1016/j.jallcom.2021.161159
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Zn and ZnSn coatings were electrodeposited on carbon steel surfaces from choline chloride and ethylene glycol solvent (1ChCl:2EG). The corrosion resistance of the coatings was investigated in a 3.5% NaCl solution, and the results revealed that Zn deposition was favored by increasing bath temperature and electro-deposition potential. Besides, Zn-enriched coatings were also obtained from Sn-rich Zn/Sn baths, and the coating morphologies were affected by these parameters. Finally, the ZnSn layer (14% Sn) electrodeposited at -1.3 V and 363 K increased the corrosion resistance up to 6 times towards the pure Zn layer under the same conditions. (c) 2021 Elsevier B.V. All rights reserved.
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页数：15
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