Comsol Case Studies Simulation-LED Strategy for Corrosion Prevention

	Simulation-LED Strategy for Corrosion Prevention Comsol

Simulation-LED Strategy for Corrosion Prevention

Comsol

Technology Category	Analytics & Modeling - Digital Twin / Simulation Analytics & Modeling - Predictive Analytics Application Infrastructure & Middleware - Data Visualization
Applicable Industries	Marine & Shipping Transportation
Applicable Functions	Maintenance Quality Assurance
Use Cases	Predictive Maintenance Process Control & Optimization Structural Health Monitoring
Services	Software Design & Engineering Services System Integration
Challenge	Corrosion is a significant issue costing billions annually, particularly affecting the transportation industry, including sea, air, and ground transport. The Naval Research Laboratory (NRL) is addressing this problem through fundamental research in corrosion science. The challenge lies in understanding the complex multiphysics problem of corrosion, especially pitting corrosion, which occurs due to electrochemical reactions and mass transport in an electrolyte solution. The irregular growth of corrosion pits due to the metal microstructure has not been adequately addressed in previous research. The goal is to develop new corrosion-resistant materials by understanding the microstructure-corrosion correlations. Read More
About Customer	The Naval Research Laboratory (NRL) in Washington, D.C., is a premier research facility dedicated to advancing scientific knowledge and technological innovation for the U.S. Navy and Marine Corps. The NRL conducts cutting-edge research in various fields, including materials science, electronics, and environmental science. The laboratory's mission is to provide the Navy with the necessary scientific and technical expertise to maintain its technological edge. The NRL's research efforts are aimed at solving complex problems that impact national security and defense, including the prevention of corrosion, which is a significant maintenance issue for the Navy. Read More
Solution	The NRL team, led by Siddiq Qidwai, has developed a comprehensive approach to model the growth of corrosion pits in metals within a seawater environment. This involves fully-coupled multiphysics modeling of pit growth under mechanical forces, taking into account the metal's microstructure. The team uses orientation imaging microscopy (OIM) to acquire 3D images of the metal microstructure, which are then incorporated into the COMSOL Multiphysics model. The pitting potential for different crystallographic orientations is determined using MATLAB and integrated into the COMSOL model to calculate the corrosion rate and advance the corrosion front. This innovative approach allows for a detailed understanding of the impact of microstructure on corrosion. Read More Log in to view content
Contents

Technology Category

Analytics & Modeling - Digital Twin / Simulation

Analytics & Modeling - Predictive Analytics

Application Infrastructure & Middleware - Data Visualization

Applicable Industries

Marine & Shipping

Transportation

Applicable Functions

Maintenance

Quality Assurance

Use Cases

Predictive Maintenance

Process Control & Optimization

Structural Health Monitoring

Services

Software Design & Engineering Services

System Integration

Challenge

Corrosion is a significant issue costing billions annually, particularly affecting the transportation industry, including sea, air, and ground transport. The Naval Research Laboratory (NRL) is addressing this problem through fundamental research in corrosion science. The challenge lies in understanding the complex multiphysics problem of corrosion, especially pitting corrosion, which occurs due to electrochemical reactions and mass transport in an electrolyte solution. The irregular growth of corrosion pits due to the metal microstructure has not been adequately addressed in previous research. The goal is to develop new corrosion-resistant materials by understanding the microstructure-corrosion correlations.

About Customer

The Naval Research Laboratory (NRL) in Washington, D.C., is a premier research facility dedicated to advancing scientific knowledge and technological innovation for the U.S. Navy and Marine Corps. The NRL conducts cutting-edge research in various fields, including materials science, electronics, and environmental science. The laboratory's mission is to provide the Navy with the necessary scientific and technical expertise to maintain its technological edge. The NRL's research efforts are aimed at solving complex problems that impact national security and defense, including the prevention of corrosion, which is a significant maintenance issue for the Navy.

Solution

The NRL team, led by Siddiq Qidwai, has developed a comprehensive approach to model the growth of corrosion pits in metals within a seawater environment. This involves fully-coupled multiphysics modeling of pit growth under mechanical forces, taking into account the metal's microstructure. The team uses orientation imaging microscopy (OIM) to acquire 3D images of the metal microstructure, which are then incorporated into the COMSOL Multiphysics model. The pitting potential for different crystallographic orientations is determined using MATLAB and integrated into the COMSOL model to calculate the corrosion rate and advance the corrosion front. This innovative approach allows for a detailed understanding of the impact of microstructure on corrosion.

Impact #1	The NRL's approach has led to the development of a novel experimental method to evaluate corrosion at the micron scale.
Impact #2	The integration of microstructure into the multiphysics model has provided valuable insights into the relationship between microstructure, pit shape, and growth.
Impact #3	The use of COMSOL Multiphysics and MATLAB has enabled the team to simulate complex corrosion mechanisms and validate their models through experimental data.

Impact #1

The NRL's approach has led to the development of a novel experimental method to evaluate corrosion at the micron scale.

Impact #2

The integration of microstructure into the multiphysics model has provided valuable insights into the relationship between microstructure, pit shape, and growth.

Impact #3

The use of COMSOL Multiphysics and MATLAB has enabled the team to simulate complex corrosion mechanisms and validate their models through experimental data.

Benefit #1	Corrosion costs the U.S. economy as much as $600 billion annually, equivalent to 2-4% of the gross national product.
Benefit #2	The transportation industry, including sea, air, and ground transport, faces extremely high maintenance costs due to corrosion.

Benefit #1

Corrosion costs the U.S. economy as much as $600 billion annually, equivalent to 2-4% of the gross national product.

Benefit #2

The transportation industry, including sea, air, and ground transport, faces extremely high maintenance costs due to corrosion.

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Overview

Simulation-LED Strategy for Corrosion Prevention

Operational Impact

Quantitative Benefit