1. Material Testing

2. Failure Modes under Uni-axial Tension
Necking
Brittle Materials
Ductile Materials

3. General Constitutive (Stress-Strain) Relation
FG03_04.TIF
Notes:
Conventional and true stress -strain diagrams for ductile material (steel) (not to scale)

4. Modeling of Elastic-Plastic Materials
Hardening
Perfectly Plastic
Elastic
Elastic
Hooke’s Law: s = E e
E: Elastic Modulus, Young’s Modulus

5. Other Characteristics (I)

6. Other Characteristics (II)
FG03_14a.TIF
Notes:
Stress-strain diagram

7. Other Characteristics (III)
FG03_14b.TIF
Notes:
Stress-strain diagram

8. Other Characteristics (IV)
Effects of Composition and Heat Treatment
Effect of Cyclic Loading: Fatigue

9. Poisson’s Effect

10. Constitutive Relations under Multi-axial Loading

11. Generalized Hooke’s Law

12. Relations among Elastic Constants