Mechanical Testing Brinell Hardness Creep Fatigue Knoop Hardness Microhardness Stress Relaxation Tensile Testing Vickers Hardness Metallurgical Analysis Crystallization and Recrystallization Crystallography Grain Boundary Heat Treatment Ion Implantation Laser Alloying Laser Cladding Optical Microscopy Phase Diagram Phase Transformation Sample Grinding, Polishing and Other Preparation Surface Hardening Thin Film and Coatings Tribological Testing and Analysis Abrasive Wear Delamination Wear Wear Fatigue Wear Four-Ball Wear Fretting Wear Friction Coefficient Interfacial Adhesion of Coatings and Thin Films Lubrication Film Lubricity Oxidation Wear Pin-on-Disk Reciprocating Wear Solid Lubrication Scratch Resistance Tribochemistry