Mechanical Behaviour of Materials: Part I

Week 1 : Elastic constants (atomistic origin), State of stress in 2D/3D, Transformation of stress, Principal stresses

 Week 2 : Mohr Circle, Stress-strain relationships in isotropic and anisotropic materials

Week 3 : Viscoelasticity, Tensile test 

Week 4 : Other tests for Plasticity (Compression, Torsion, Bend testing, Hardness and measurement)

Week 5 : Yield criteria, Effective Stress and Effective Strain

Week 6 : Theoretical Strength, Concept of Dislocations, Concept of Slip, Burger Vector and its properties, Stress and Strain fields of Dislocations

 Week 7 : Energy of Dislocations, Forces on dislocation, Line tension, Motion of Dislocations, Peierls Model, Concept of slip systems

Week 8 : Single crystal slip (critical resolved shear stress - CRSS), Dislocations in FCC and partial dislocations, Stacking faults and energy

 Week 9 : Dislocation in other crystal systems, Source of dislocations and multiplication

Week 10 : Strengthening mechanisms (Strain hardening, Solid Solution Strengthening) 

Week 11 : Strengthening mechanisms (Precipitation and Dispersion Strengthening)

Week 12 : Strengthening Mechanism (Grain Boundary and Hall-Petch relation, Martensitic Strengthening)