ELECTROPLATED Zn-Ni-SiO2 COMPOSITE COATINGS TREATED WITH A SILANE COUPLING AGENT TO REPLACE CHROMATI

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The fixing of a silane coupling agent to Zn-Ni-silica (SiO2) composite coatings was studied for the purpose of developing a coating process as an alternative to chromating. The corrosion resistance of Zn-Ni-silica composite coatings was remarkably improve
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