DIFFERENT BEHAVIORS OF ZINC RICH PAINT AGAINST CORROSION IN ATMOSPHERIC ZONE AND TIDAL ZONE OF INDUSTRIAL PORT ENVIRONMENT

Vinh Dat Vuong

Abstract


A study on zinc rich paint (ZRP) and its behaviors of protecting JIS SS400 constructional steel against impacts of industrial port environment at Phu My port (Ba Ria - Vung Tau Province, Vietnam) was started in January 2014. After three years of investigation, thickness of ZRP decreased slowly and the reduction reached to 38 µm and 31 µm in atmospheric and tidal zone, respectively. Moreover, in accelerated environmental conditioning tests, separation and failures of ZRP from steel substrate were responsible for blistering. By comparison of field exposure test and accelerating test, growth of blistering on ZRP is caused by high temperature and time of wetness.


Keywords


zinc rich paint, JIS-SS400 steel, accelerated environmental tests, brackish environment, industrial port.

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DOI: https://doi.org/10.15625/2525-2518/55/5B/12226

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Bioteknologi Agrikultur

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Published by Vietnam Academy of Science and Technology