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Crevice Corrosion Performance of 436 Ferritic Stainless Steel Studied by Different Electrochemical Techniques in Sodium Chloride Solutions with Sulfate Addition 被引量:1
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作者 Jia-Ming Wang sheng-sheng qian +3 位作者 Yuan-Yuan Liu Yang-Ting Sun Yi-Ming Jiang Jin Li 《Acta Metallurgica Sinica(English Letters)》 SCIE EI CAS CSCD 2018年第8期815-822,共8页
The crevice corrosion behaviors of 436 stainless steels in chloride-containing solutions with sulfate addition were studied using potentiodynamic, galvanostatic and repassivation potential measurements. The results of... The crevice corrosion behaviors of 436 stainless steels in chloride-containing solutions with sulfate addition were studied using potentiodynamic, galvanostatic and repassivation potential measurements. The results of these electrochemical tests were compared and discussed. Galvanostatic test was proved to be the most powerful technique in detecting the crevice corrosion of 436 stainless steels, while the repassivation potential measurement was the most time-saving method in this study. Sulfate ions have inhibited the crevice corrosion of 436 stainless steels in chloride-containing solution, which may result from the effects of competitive adsorption and the IR drop mechanism. 展开更多
关键词 Crevice corrosion Ferritic stainless steels Electrochemical techniques Sulfate ions Competitive adsorption IR drop mechanism
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