分析了交流干扰腐蚀的机理、特点和对埋地油气管道的不利的影响,介绍了国际上埋地管道交流干扰危险性新的分类标准和先进的交流干扰测试方法,阐述了国内外对存在交流干扰时阴极保护标准的研究现状,并提出了自己的见解.同时对国内外在埋地管道交流干扰腐蚀防护新技术和新方法上的研究进行了总结评述.基于国内外交流干扰腐蚀及防护的最新研究进展,结合自己的实验成果,通过对比分析,在交流干扰评价、测试与防护方面提出了相关建议
The mechanism,feature and influence factors on AC interference corrosion of oil and gas pipelines are introduced;the relevant new claaasification criteria of risks and the advanced monitoring and protection methods for AC interference corrosion are given.Meanwhile,the latest study on the criteria of cathodic protection in the presence of AC interference corrosion is also stated with views of the author.In the end,several suggestions on testing methods,evaluation and protection strategies about AC corrosion are postulated.
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