Electrodeposition of Zn-Ni Monolithic Coatings, Characterization, and Corrosion Analysis

被引：1
|
作者：
Rashmi, D. [1 ,2 ]
Pavithra, G. P. [1 ]
Praveen, B. M. [2 ]
Devapal, Deepa [3 ]
Nayana, K. O. [4 ]
Nagaraju, G. [5 ]
机构：
[1] Alvas Inst Engn & Technol, Dept Chem, Mijar 574225, Moodbidri, India
[2] Srinivas Univ, Coll Engn & Technol, Dept Chem, Mukka 574146, Mangaluru, India
[3] Vikram Sarabhai Space Ctr, Propellants & Special Chem Grp, Ceram Matrix Prod Div, PCM Ent, Thiruvananthapuram 695022, Kerala, India
[4] Bangalore Univ, Dept Chem, Bangalore 560056, Karnataka, India
[5] Siddaganga Inst Technol, Dept Chem, Tumkur 572103, Karnataka, India
来源：
JOURNAL OF FAILURE ANALYSIS AND PREVENTION | 2020年 / 20卷 / 02期
关键词：
Zn-Ni alloy; Corrosion; XRD; AFM; SEM; ALLOY COATINGS; BATH; RESISTANCE; BEHAVIOR; MICROSTRUCTURE; REPLACEMENT; ADDITIVES; GELATIN; FE;
D O I：
10.1007/s11668-020-00848-3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Bright Zn-Ni coatings were developed by using thiamine hydrochloride as a brightener. Hull cell was used for the optimization of bath constituents and parameters. Galvanostatic electrodeposition from zinc sulfate and nickel sulfate with additives results in Zn-rich solid solution of nickel in zinc eta-phase. Surface morphology was observed by scanning electron microscopy, chemical and phase composition determined by X-ray diffraction, and corrosion investigations by electrochemical techniques. Coatings obtained at 5 Adm(-2) exhibited more corrosion resistance.
引用
收藏
页码：513 / 522
页数：10
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