Introduction: Micro - mechanics of Brittle and Ductile Fracture, Modes of Fracture Failure.
Energy Release Rate: Griffith's Energy approach, Mathematical formulation of energy release rate, change in compliance and change in strain energy approach, energy release rate of DCB specimen, Inelastic. Deformation at crack up, Crack resistance, stable and unstable crack growth, R-curve for Brittle cracks. Thin Plate v/s thick plate, Critical Energy release rate.
Linear Elastic Fracture Mechanics (LEFM): Strain and Displacement Field at Crack tip and Stress intensity factor (SIF) for few cases. Application of the Principle of superposition. SIF of edge cracks and embedded cracks. Relation between G and K. critical stress intensity factor
Deformation at the Crack-Tip: Approximate shape and size of the plastic zone. Effective crack length: few approaches. Effect of plate thickness, plane stress v/s plane strain, crack opening displaned (COD), CTOD, relation between CTOD. Ki and Gi.
Elastic-Plastic Analysis: J-integral and its path independence. Critical J- integral. Application of J-integral to practical problems. Equivalence between CTOD and J.
Fatigue Failure: Crack initiation, Crack Propagation, Paris and Erdogan Law, Factors affecting crack propagation, Variable Amplitude Fatigue load. Fatigue damage: Design for used materials, Minors, Mansons and Other theories Randon fatigue. Use of Minor's theory.
Fracture Control Plans: Various Fracture Control Plans, Effect of flaw size, Temperature and Kid on Crack growth.
 

List of Recommended Books:

1. Elements of Fracture Mechanics, Kumar Prasant, Wheeler Publishing.

2. Elementary Engineering Fracture Mechanics, Brock David, Martinus Nighoff Publishers.

3. Application of Fracture Mechanics, Fracture and Fatigue in Structures, Rolfe and Barson, Prentice Hall.