Mechanical Properties of Materials (I)
- Recalling the stress and strain, Principle stresses, Mohrs circles
- Materials behavior in tensile, stress-strain curves, elastic and plastic relations
- Effect of temperature and strain rate on the tensile behavior
- Strength of a perfect crystal, The need for lattice imperfections, dislocations
- Lattice defects: points defects, line defects(dislocations) and volume defect
- Lattice resistance to dislocations, The peierls stress, characteristics of dislocation
- Observation of dislocations, elastic properties of dislocations, dislocation-dislocation interactions, dislocation multiplication, partial dislocation
- Crystallography of slip, Geometry of slip
- Type, structure and properties of Twining
- Shear stress-strain curve for single crystal, work hardening of single crystal, strengthening mechanisms: solid solution hardening and precipitation hardening
- Grain boundary and deformation, strengthening from grain boundary, type and specification of grain boundary
- Structure of elastically deformed metals, effect of crystallographic texture(preferred orientations) on mechanical behavior
- Fracture, Creep, Fatigue