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51312-01256-Replacers to Cadmium Coating for Corrosion Protection

Product Number: 51312-01256-SG
ISBN: 01256 2012 CP
Author: Anna Ramus Moreira
Publication Date: 2012
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$20.00
$20.00
Cadmium coatings have been widely used to protect ferrous substrate mainly fasteners against corrosion. In spite of presenting excellent properties such as lubricity low voluminous corrosion products and compatible cost cadmium presents high toxicity. For this reason worldwide researchers are engaged to find replacers for cadmium coatings. The Corrosion and Protection Group of IPT Institute for Technological Research with CENPES/PETROBRAS conducted a project to identify cadmium coating replacers. In a previous way of this project a wide bibliographical research was done in order to identify the potential replacers of cadmium available in the national and international market. Twelve coatings obtained through different application processes including zinc alloys organometallics and other trademark coatings were identified. This work presents the results of the characterization analysis of the twelve coatings and the results of the atmospheric test conducted with and without intermittent spraying of a salt solution (Scab Test).
Cadmium coatings have been widely used to protect ferrous substrate mainly fasteners against corrosion. In spite of presenting excellent properties such as lubricity low voluminous corrosion products and compatible cost cadmium presents high toxicity. For this reason worldwide researchers are engaged to find replacers for cadmium coatings. The Corrosion and Protection Group of IPT Institute for Technological Research with CENPES/PETROBRAS conducted a project to identify cadmium coating replacers. In a previous way of this project a wide bibliographical research was done in order to identify the potential replacers of cadmium available in the national and international market. Twelve coatings obtained through different application processes including zinc alloys organometallics and other trademark coatings were identified. This work presents the results of the characterization analysis of the twelve coatings and the results of the atmospheric test conducted with and without intermittent spraying of a salt solution (Scab Test).
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