Corrosion resistance of zinc electrodeposits in an ultrasonically agitated bath

A polarization study of corrosion resistance of mild steel electroplates in acid zinc reduction showed decreased corrosion current and hence corrosion rate with reduced porosity in the deposit when ultrasonic agitation instead of a still bath was used. Salt spray tests confirmed similar trends in pl...

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Bibliographic Details
Published in:Journal of materials science letters 1993-01, Vol.12 (22), p.1752-1754
Main Authors: PRASAD, P. B. S. N. V. P, AHILA, S, VASUDEVAN, R, SESHADRI, S. K
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Metallic coatings
Metals. Metallurgy
Production techniques
Surface treatment
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Summary:A polarization study of corrosion resistance of mild steel electroplates in acid zinc reduction showed decreased corrosion current and hence corrosion rate with reduced porosity in the deposit when ultrasonic agitation instead of a still bath was used. Salt spray tests confirmed similar trends in plating quality. The other advantages of ultrasonic agitation during electroplating include reduced plating time with smoother but harder deposits.
ISSN:0261-8028
1573-4811
DOI:10.1007/bf00517601