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电位-pH-声发射图的初步研究
徐健; 吴欣强; 韩恩厚
2010-08-08
Conference Name第七届海峡两岸材料腐蚀与防护研讨会
Source Publication第七届海峡两岸材料腐蚀与防护研讨会论文集
Conference Date2010-08-08
Conference Place昆明
Abstract本文扩展了电位-pH图在声发射(AE)监测中的可能应用,提出了电位-pH-AE图的概念.具体方法是用AE信号的特征划分电位-pH图,建立AE信号与腐蚀状态的对应关系,为实现通过AE信号判断材料所处的腐蚀状态提供依据.作为实例,本文研究了304不锈钢在不同浓度H2SO4溶液中电化学腐蚀过程的AE行为,绘制了该试验体系的实验电位-pH-AE图,发现在低pH值区域AE信号强度与腐蚀状态有较好对应关系,讨论了相关的AE源机制.
description.department金属腐蚀与防护国家重点实验室,中国科学院金属研究所,沈阳,110016
Keyword电化学腐蚀 电位-ph-声发射图 信号强度 源机制 特征划分
Funding Organization中国腐蚀与防护学会
Language中文
Document Type会议论文
Identifierhttp://ir.imr.ac.cn/handle/321006/70969
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
徐健,吴欣强,韩恩厚. 电位-pH-声发射图的初步研究[C],2010.
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