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The corrosion of Mild Steel (MS) in harsh acidic environments, such as Hydrochloric acid (HCl), is a significant industrial issue with environmental consequences. Corrosion inhibitors, particularly those containing heteroatoms and aromatic rings, are a proven method for mitigating corrosion. Traditional methods for studying corrosion inhibitors often require resource-intensive experiments.
This study explores the use of Quantitative Structure-Property Relationship (QSPR) modeling, a Machine Learning (ML) technique, to predict the inhibition efficiency of organic corrosion inhibitors in HCl environments. Several ML models were employed: Linear Regression (LR), Random Forest Regression (RF), Support Vector Regression (SVR), Multilayer Perceptron Regression (MLP), and XGBoost Regression (XGB).
The investigation revealed that some models achieved exceptional predictive accuracy with significantly reduced errors and high precision. These models offer a promising avenue for efficient corrosion inhibitor design, reducing reliance on extensive experimentation.
This study contributes to the advancement of corrosion science and materials engineering by introducing innovative strategies for developing effective corrosion inhibitors using machine-learning-driven QSPR models.
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