论文部分内容阅读
介绍了管线钢焊接接头腐蚀行为的最新研究进展,综述了管线钢焊接接头腐蚀行为的研究方法,包括应力腐蚀法、盐雾腐蚀法、浸泡实验法和电化学法等,并对各研究方法的优缺点和应用范围加以比较和分析。同时介绍了管线钢接头腐蚀机理及其研究热点和最新研究进展,包括应力腐蚀机理、盐雾腐蚀机理和CO_2腐蚀机理,并总结了改善管线钢焊接接头耐蚀性的腐蚀防护方法。
The latest research progress on the corrosion behavior of welded joints of pipeline steel is introduced. The research methods of corrosion behaviors of welded joints of pipeline steel are summarized, including stress corrosion method, salt spray corrosion method, immersion experiment method and electrochemical method. The advantages and disadvantages and the scope of application to be compared and analyzed. At the same time, the corrosion mechanism, the research hot spots and the latest research progress are introduced, including the stress corrosion mechanism, the salt spray corrosion mechanism and the CO 2 corrosion mechanism. The corrosion protection methods for improving the corrosion resistance of pipeline steel welded joints are also summarized.