SHOJA RAZAVI, Reza, SHAHRABI, Taghi, MOZAFARINIA, Reza (2002). CORROSION OF CHROMATE CONVERSION COATINGS ON ALUMINUM ALLOYS IN ELECTRICAL AND ELECTRONIC EQUIPMENT. , 2(1), 95-104.
Reza SHOJA RAZAVI; Taghi SHAHRABI; Reza MOZAFARINIA. "CORROSION OF CHROMATE CONVERSION COATINGS ON ALUMINUM ALLOYS IN ELECTRICAL AND ELECTRONIC EQUIPMENT". , 2, 1, 2002, 95-104.
SHOJA RAZAVI, Reza, SHAHRABI, Taghi, MOZAFARINIA, Reza (2002). 'CORROSION OF CHROMATE CONVERSION COATINGS ON ALUMINUM ALLOYS IN ELECTRICAL AND ELECTRONIC EQUIPMENT', , 2(1), pp. 95-104.
SHOJA RAZAVI, Reza, SHAHRABI, Taghi, MOZAFARINIA, Reza CORROSION OF CHROMATE CONVERSION COATINGS ON ALUMINUM ALLOYS IN ELECTRICAL AND ELECTRONIC EQUIPMENT. , 2002; 2(1): 95-104.

CORROSION OF CHROMATE CONVERSION COATINGS ON ALUMINUM ALLOYS IN ELECTRICAL AND ELECTRONIC EQUIPMENT

The Modares Journal of Electrical Engineering
Article 6, Volume 2, Issue 1, 2002, Pages 95-104    PDF (956.62 K)
Authors
Reza SHOJA RAZAVI* 1; Taghi SHAHRABI2; Reza MOZAFARINIA1
1Malek Ashtar University of Technology
2Tarbiat Modares University
Abstract
Chromate conversion coating is applied on aluminum 6061. The optimum conditions for chromate bath composition and immersion time are also obtained for standard requirements provision such as corrosion resistance in salt spray test, electrical resistance and coating quality. The applied coatings are electrochemically tested in sea and distilled water. According to Tafel and cyclic polarization curves, the protection mechanism are evaluated in said environments. This evaluation has shown the formation of passive film layer, contains chromate and alumina on the base. The proper behavior of corrosion and electrical conductivity is probably due to this mechanism.
Keywords
Corrosion; Chromate coating; Aluminum and Electrical and electronic equipment
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