Introduction sources of micro and macro cracks fracture criterion based on stress concentration and theoretical strength Griffith’s energy - various approach - Stress Analysis for Members with Cracks.
Crack tip Plastic Zone: Plastic zone estimation - yielding fracture mechanics.
Elastic–Plastic Fracture Mechanics - Path-independent integrals, J-integral , J-integral fracture criterion, crack opening displacement(COD), experimental determination of J-integral and COD - Fatigue and Fatigue crack growth rate.
Linear static fracture Mechanics Design Concepts - Introduction, the stress criterion, strain energy density, 2-D linear elastic crack problems.
Dynamic Fracture: Mohr’s model, strain energy release rates, crack branching, practical applications of crack arresting techniques. Experimental determination of dynamic SIF. -NDT and Fracture Mechanics
REFERENCES
1) S.A. Maguid,, “Engineering Fracture Mechanics”, Elsevier, 1996
2) David Broke., “Elementary Engineering Fracture Mechanics”, Noordhoff, 1995.
3) Karen Hellan, “Introduction to Fracture Mechanics”, Mc Graw Hill,
1982.
