主题词：Welding Techniques and Residual Stresses; Engineering and Environmental Studies; Advanced Welding Techniques Analysis; Material Properties and Applications; Metal Alloys Wear and Properties; Material Properties and Failure Mechanisms; Microstructure and Mechanical Properties of Steels; Advancements in Materials Engineering; Engineering Diagnostics and Reliability; Surface Treatment and Coatings; Engineering Technology and Methodologies; Metal and Thin Film Mechanics; Fatigue and fracture mechanics; Hydrogen embrittlement and corrosion behaviors in metals; Aluminum Alloy Microstructure Properties; Aluminum Alloys Composites Properties; Industrial Engineering and Technologies; Mechanical and Thermal Properties Analysis; Advanced materials and composites; Additive Manufacturing Materials and Processes; Intermetallics and Advanced Alloy Properties; Non-Destructive Testing Techniques; Laser and Thermal Forming Techniques; Metal Forming Simulation Techniques; Advanced machining processes and optimization