ME 542 Fracture Mechanics (3 0 3)

Griffith crack theory, stress analysis of cracks, design philosophy, energy approach, stress analysis approach, crack-tip plastic zone size estimation, plane-strain fracture toughness, plane-stress fracture toughness, plane-strain fracture toughness testing, fracture toughness of engineering alloys, toughness determination from crack opening displacement measurement, fracture toughness and elastic plastic analysis with the J-integral. Fracture test methods: impact energy-fracture toughness correlations. Microstructural aspects of fracture toughness, environment-assisted cracking, cyclic stress-controlled fatigue, cyclic stress-controlled fatigue, fatigue life estimations, fatigue crack propagation, corrosion fatigue, stress-corrosion cracking.