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Related Experiment Video

Updated: Mar 15, 2026

Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes

Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes

Published on: January 6, 2023

Study on Pitting Corrosion Simulation of Steel Plates Based on Cellular Automaton-Finite Element Coupling.

Shizhong Liu¹, Wei Zhang²

¹Capital Construction Office of Xiangtan University, Xiangtan University, Xiangtan 411105, China.

Materials (Basel, Switzerland)

|March 14, 2026

Summary

Pitting corrosion in Q235 galvanized steel is accelerated by high temperature and salinity. A new model shows plastic deformation significantly worsens pit propagation, impacting structural integrity in marine environments.

Keywords:

cellular automata-finite element coupling chloride ion cyclic corrosion (CICC) testing electro-thermo-mechanical-chemical (ETMC) multi-field coupling localized pitting corrosion

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Last Updated: Mar 15, 2026

Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes

Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes

Published on: January 6, 2023

Finite Element Modelling of a Cellular Electric Microenvironment

Finite Element Modelling of a Cellular Electric Microenvironment

Published on: May 18, 2021

Knowledge Based Cloud FE Simulation of Sheet Metal Forming Processes

Knowledge Based Cloud FE Simulation of Sheet Metal Forming Processes

Published on: December 13, 2016

Area of Science:

Materials Science
Corrosion Engineering
Computational Modeling

Background:

Pitting corrosion severely degrades metallic materials, leading to structural failure.
Q235 galvanized steel is highly susceptible to localized pitting in the South China Sea's harsh conditions (high temperature, salinity, humidity).

Purpose of the Study:

To investigate the pitting corrosion of Q235 galvanized steel plates under simulated marine conditions.
To develop and validate a multi-field coupling model for predicting corrosion evolution and its effects.

Main Methods:

Designed a novel accelerated pitting corrosion apparatus.
Performed chloride ion cyclic corrosion (CICC) tests.
Developed a Cellular Automata-Finite Element (CAFE) model based on electro-thermo-mechanical-chemical (ETMC) coupling.

Main Results:

Characterized the morphology and temporal evolution of pitting damage.
The CAFE model accurately predicted pit initiation, growth, and corrosion product evolution.
Temperature and salinity were identified as key environmental drivers of corrosion rates.
Numerical simulations showed good agreement with experimental observations.

Conclusions:

The developed ETMC multi-field coupling model effectively simulates pitting corrosion.
Elevated temperature and salinity significantly accelerate localized pitting corrosion rates.
Localized plastic deformation is critical in accelerating pit propagation under specific conditions, highlighting its role in structural integrity assessments.