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中国腐蚀与防护学报  2005, Vol. 25 Issue (3): 129-134     
  研究报告 本期目录 | 过刊浏览 |
恒电量瞬态响应的频谱分析Ⅰ原理与测试方法
赵永韬;王昱;郭兴蓬
青岛市金湖路12号甲725所青岛分部
AN ANALYSIS METHOD OF TIMEFREQUENCY TRANSFORM FORCOULOSTATICALLY INDUCED TRANSIENTS:I.PRINCIPLE AND TESTING METHOD
;;Xingpeng Guo
青岛市金湖路12号甲725所青岛分部
全文: PDF(172 KB)  
摘要: 在用时频变换测量电极阻抗的技术中,介绍了用恒电量作为激励信号的时域法阻抗测量技术,分别用等效电路和实际腐蚀体系验证了恒电量测量的精确性,同时体现快速测量的特点.提出用拉普拉斯频谱分析恒电量瞬态响应的方法,不 仅能够简化恒电量激励条件下电路模型的解析,而且对于包含多个时间常数的腐蚀体系,有助于判断腐蚀反应的子过程和解析电极阻抗.
关键词 恒电量拉普拉斯变换阻抗    
Abstract:A unique method used coulostaticallyinduced transient for obtaining impedance of electrode was introduced.By applying Laplace transform techniques to the coulostatic response in the time domain,it was possible to obtain the electrode impedance for a corrosion cell.The validity of the proposed method was verified using equivalent circuits and real electrochemical systems respectively,and the results exhibited the feature of rapidity for coulostatic measurement,which is very useful to measure the impedance of electrode with acute change.Moreover,it is more convenient to derive the equation for the coulostatic response using network analysis in the Laplace domain than conventional method in the time domain,and this method can also contribute to interpret the corrosion process involved several time constants.
Key wordscoulostatic    Laplace transform    impedance
收稿日期: 2004-09-01     
ZTFLH:  TG174.42  
通讯作者: 赵永韬     E-mail: ytzhao7302@sina.com

引用本文:

赵永韬; 王昱; 郭兴蓬 . 恒电量瞬态响应的频谱分析Ⅰ原理与测试方法[J]. 中国腐蚀与防护学报, 2005, 25(3): 129-134 .
Xingpeng Guo. AN ANALYSIS METHOD OF TIMEFREQUENCY TRANSFORM FORCOULOSTATICALLY INDUCED TRANSIENTS:I.PRINCIPLE AND TESTING METHOD. J Chin Soc Corr Pro, 2005, 25(3): 129-134 .

链接本文:

https://www.jcscp.org/CN/      或      https://www.jcscp.org/CN/Y2005/V25/I3/129

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