2010•China offshore PlatformRequires access
Study on arc Spray Protective Coatings for High-pressure Pipeline of Drilling Platform
Hongwei Li
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Abstract
In order to improve the corrosion resistance of high-pressure pipeline in deepsea drilling,the paper analyses a kind of protective coating that aluminum wire,spraying materials, were sprayed to a steel substrate by arc spray technique.And it is compared with three kinds of marine-specific organic protective coatings by EIS.The results show that the aluminum coating can effectively prevent the corrosive medium from penetrating into the interface between the coating and steel substrate,even when the surface organic coating failed.