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模拟工业-海岸大气中SO_2对Q235B钢腐蚀行为的影响
陈文娟; 郝龙; 董俊华; 柯伟; 文怀梁
2014-07-11
Source Publication金属学报
Issue7Pages:802-810
Abstract采用循环干/湿模拟腐蚀增重实验、动电位极化曲线、电化学阻抗谱和XRD方法,研究了模拟海岸-工业大气中SO2对Q235B钢腐蚀行为的影响.结果表明,在腐蚀初期SO2抑制了Q235B钢的腐蚀;在腐蚀后期,SO2促进了Q235B钢的腐蚀.当SO2的浓度较低时,腐蚀速率随SO2浓度的升高而增大;当SO2的浓度较高时,腐蚀速率随SO2浓度的升高而减小.工业-海岸大气中的SO2组分可以抑制腐蚀产物中g-FeOOH和b-FeOOH的生成,而促进a-FeOOH生成.低碳钢腐蚀速率随SO2浓度变化出现的极值现象与SO2导致的锈层相组分变化密切相关.
description.department中国科学院金属研究所金属腐蚀与防护国家重点实验室
KeywordQ235b钢 干/湿交替 工业-海岸大气腐蚀 锈层
Language中文
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73634
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
陈文娟,郝龙,董俊华,等. 模拟工业-海岸大气中SO_2对Q235B钢腐蚀行为的影响[J]. 金属学报,2014(7):802-810.
APA 陈文娟,郝龙,董俊华,柯伟,&文怀梁.(2014).模拟工业-海岸大气中SO_2对Q235B钢腐蚀行为的影响.金属学报(7),802-810.
MLA 陈文娟,et al."模拟工业-海岸大气中SO_2对Q235B钢腐蚀行为的影响".金属学报 .7(2014):802-810.
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