新型抗穴蚀涂料的研究进展

Research Progress of New Cavity-Resistant Coatings

概述了穴蚀的形成原因和防护措施;介绍了采用热喷涂、堆焊、化学镀、等离子表面技术制备的不同种类金属涂层的抗穴蚀情况;重点评述了环氧树脂系列、聚氨酯系列、超高分子量聚乙烯等有机涂层在抗穴蚀领域的研究进展,并与金属涂层做了对比;综述了陶瓷有机复合涂层的抗穴蚀效果;比较了几种涂层的优缺点,并对其未来研究方向进行了展望。

The causes and protective measures of cavitation erosion were summarized.The cavitation corrosion resistance of different kinds of metal coatings prepared by thermal spraying,surfacing,electroless plating and plasma surface technology was introduced.Then,the research progress of organic coating such as epoxy resin series,polyurethane series,ultra high molecular-weight polyethylene coatings in the field of cavitation resistance was reviewed emphatically and compared with metal coatings.The anti-cavitation effect of ceramic organic composite coatings was reviewed.The advantages and disadvantages of several kinds of coatings were compared.Finally,the future research direction was prospected.