A Novel Corrosion Rate Monitoring Method for Steel Assets in Electrolyte Environments

The TEG 100X committee has organized a virtual symposium entitled “Real Time Corrosion Monitoring for Process Applications: Technology, Experiences, Case Studies.” This symposium, conducted by Satoru Yamamoto, Masaru Abe, and Kenkichi Tashiro, will be held on Thursday, April 29 from 8:30 to 8:55 a.m. CST.  

According to Yamamoto et. al., it is important to monitor the corrosion rates of steel in electrolyte environments, such as aqueous solution or soil, in order to evaluate the integrity of the members of facilities. CIPE (Current Interrupted Polarizing Extrapolation) is a nondestructive monitoring method in which corrosion rate is calculated by the Tafel equation obtained from the polarization curve of in situ measurement. The CIPE method helped monitor corrosion rates of steel in concrete, as well as in neutral aqueous solutions. The results of this research were previously presented at CORROSION 2018 and 2019.  

With their current research, the team focused on corrosion rates of steel in sand containing air and seawater, which were measured by the CIPE method. As a result, it was confirmed that the CIPE method was also useful for monitoring corrosion rates of steel in soil.

TEG 100X, the sponsoring committee for this virtual symposium, is chaired by Hui Li, with Xiaoji Li serving as vice chair.

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