Influence of the nano-structuring by high-pressure torsion on the microstructure, mechanical behavior, and tribological properties of mild steel weld samples fabricated by GMAW

Key Points

• Mechanical behavior improved significantly post high-pressure torsion processing, leading to enhanced durability.
• Nano-structuring through high-pressure torsion resulted in refined microstructure, contributing to mechanical enhancements.
• Evaluation of tribological properties revealed lower wear rates due to optimized microstructural features.
• Study suggests broader applications for improved welding processes, enhancing performance in various industrial contexts.