Corrosion Behavior and Electrochemical Stability Analysis of Titanium-Based Alloys in Aggressive Chemical Environments

Abstract

Titanium-based alloys are widely utilized in aerospace, marine, biomedical, and chemical processing industries due to their exceptional mechanical strength, corrosion resistance, and high electrochemical stability. However, prolonged exposure to aggressive chemical environments containing acidic, alkaline, and chloride-rich media can significantly influence the surface integrity and durability of these alloys. This research investigates the corrosion behavior and electrochemical stability characteristics of titanium-based alloys under aggressive chemical conditions using experimental and electrochemical analysis techniques. The study evaluates the influence of environmental parameters such as pH level, temperature, ion concentration, and exposure duration on the corrosion resistance performance of selected titanium alloys. Electrochemical characterization methods, including potentiodynamic polarization and electrochemical impedance spectroscopy, are employed to analyze corrosion kinetics, passive film formation, and degradation mechanisms. Surface morphology and microstructural changes are further examined using advanced material characterization techniques to identify corrosion-induced damage and oxide layer stability. Comparative analysis is conducted among different titanium alloy compositions to determine their suitability for high-corrosion industrial applications. Performance assessment is based on corrosion rate, polarization resistance, current density variation, passive film stability, and electrochemical response behavior.