A VIRTUAL INSTRUMENT FOR CORROSION RATE MEASUREMENT BY ELECTROCHEMICAL FREQUENCY MODULATION TECHNIQUE

J Chin Soc Corr Pro

2008, Vol. 28

Issue (2): 65-69 DOI:

Research Report

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A VIRTUAL INSTRUMENT FOR CORROSION RATE MEASUREMENT BY ELECTROCHEMICAL FREQUENCY MODULATION TECHNIQUE

天津大学材料学院腐蚀电化学实验室

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Abstract An EFM system for corrosion rate test based on electrochemical frequency modulation technique has been established by means of virtual instrument， which consists of a potentiostat， a laptop equipped with a DAQ card and applications developed in LabVIEW. Experiments has been performed in laboratory to determine anodic and cathodic Tafel slopes as well as corrosion current densities for the systems 304 stainless steel/HCl and Q235 steel in H2SO4 and NaCl.It was shown that the EFM system could be used successfully for corrosion rate mea?鄄surement under various corrosion conditions.

Key words: electrochemical frequency modulation corrosion rate virtual instrument

Received: 18 July 2006

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. A VIRTUAL INSTRUMENT FOR CORROSION RATE MEASUREMENT BY ELECTROCHEMICAL FREQUENCY MODULATION TECHNIQUE. J Chin Soc Corr Pro, 2008, 28(2): 65-69 .

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2008/V28/I2/65

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