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Modeling research of initial atmospheric corrosion of Q235 carbon steel based on electrical resistance probe
Anti-Corrosion Methods and Materials  (IF1.117),  Pub Date : 2021-04-05, DOI: 10.1108/acmm-04-2020-2295
Zhuolin Li, Dongmei Fu, Zibo Pei

Purpose

This paper aims to discover the mathematical model for Q235 carbon steel corrosion date acquired in the initial stage of atmospheric corrosion using electrical resistance probe.

Design/methodology/approach

In this paper, mathematical approaches are used to construct a classification model for atmospheric environmental elements and material corrosion rates.

Findings

Results of the experiment show that the corrosion data can be converted into corrosion depth for calculating corrosion rate to obtain corrosion kinetics model and conform corrosion acceleration phase. Combined with corresponding atmospheric environmental elements, a real time grade subdivision model for corrosion rate can be constructed.

Originality/value

These mathematical models constructed by real time corrosion data can be well used to research the characteristics about initial atmospheric corrosion of Q235 carbon steel.