Basic mechanical properties of metals, ceramics, polymers, and composites. Dislocation theory. Analysis of stress-strain curves. Mechanisms of hardening with emphasis on solid solution hardening and precipitation hardening. Fracture mechanics. Microstructural models of ductile, intergranular, and cleavage fracture. Toughening mechanisms. Creep. Fatigue. Analysis of failures of large-scale structures such as aircraft engines and steam turbines.