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HCO_3~-;SO_4~(2-)和Cl~-混合体系中Cu点蚀行为的研究
王长罡; 董俊华; 柯伟; 李晓芳
2013-02-11
Source Publication金属学报
Issue2Pages:207-213
Abstract在HCO_3~-浓度为0.08 mol/L及不同浓度配比的SO_4~(2-)和Cl~-混合溶液中,利用循环极化电化学测试方法和SEM,对Cu工作电极的循环极化行为和点蚀表面形貌进行了系统的研究.结果表明,SO_4~(2-)或Cl~-均能促进Cu的阳极溶解,且二者间存在交互作用.Cl~-能降低Cu电极的腐蚀电位,增强其电化学活性.在点蚀敏感区域图中,Cu发生点蚀的临界Cl~-浓度为0.02 mol/L.当Cl~-浓度较低时,SO_4~(2-)对点蚀敏感性无影响;当Cl~-浓度为中等时,SO_4~(2-)抑制点蚀;当Cl~-浓度较高时,SO_4~(2-)使Cu点蚀敏感性先升高后降低.无论SO_4~...
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
Keyword高放废物地质处置 Cu 点蚀 Hco_3~- So_4~(2-) Cl~-
Language中文
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71776
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
王长罡,董俊华,柯伟,等. HCO_3~-;SO_4~(2-)和Cl~-混合体系中Cu点蚀行为的研究[J]. 金属学报,2013(2):207-213.
APA 王长罡,董俊华,柯伟,&李晓芳.(2013).HCO_3~-;SO_4~(2-)和Cl~-混合体系中Cu点蚀行为的研究.金属学报(2),207-213.
MLA 王长罡,et al."HCO_3~-;SO_4~(2-)和Cl~-混合体系中Cu点蚀行为的研究".金属学报 .2(2013):207-213.
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