AE621 : Fracture Mechanics

Department

Department of Aeronautical Engineering

Academic Program

Master in Master of Aerospace Engineering

Type

Compulsory

Credits

03

Prerequisite

Overview

A crack in a structure and importance of crack study in design, Stresses arounda crack tip, Stress intensity factors, Crack opening displacement, Cleavage and ductilefractures, Fatigue cracking and environment associated fracture, Service failureanalysis, The elastic crack tip stress field , The airy stress function , The effect of finitecomponent size on crack growth ,Elliptical cracks, Irwin plastic zone correction, Shapeof the plastic zone at the crack tip, thickness effect in a cracked component, the energyprinciple, strain energy release rate, the criterion for crack growth , compliance in bothfixed load and fixed grips conditions, plane strain fracture toughness, standard testspecimens, Fracture test models in opening mode, fatigue, Crack propagationmechanism and evaluation, factors affecting fatigue crack propagation.