1. Jiangyu Li, University of Washington Lecture 21 Fracture Mechanics Mechanical Behavior of Materials Section 8.3-8.7 Jiangyu Li University of Washington Mechanics of Materials Lab

2. Jiangyu Li, University of Washington Stress Intensity Factor: Tension

3. Jiangyu Li, University of Washington Stress Intensity Factor: Bending

4. Jiangyu Li, University of Washington Stress Intensity Factor: Circumferential Crack -

5. Jiangyu Li, University of Washington Stress Intensity Factor

6. Jiangyu Li, University of Washington Superposition

7. Jiangyu Li, University of Washington Superposition -

8. Jiangyu Li, University of Washington Energy Release Rate

9. Jiangyu Li, University of Washington Plastic Zone

10. Jiangyu Li, University of Washington K field

11. Jiangyu Li, University of Washington Limitation of LEFM

12. Jiangyu Li, University of Washington Example Central crack a=10mm b=50mm t=5mm Large h P=50 kN  o =415 Mpa Determine whether plane strain or LEFM apply, plastic zone.

13. Jiangyu Li, University of Washington Effect of Thickness

14. Jiangyu Li, University of Washington Load Displacement Curve

15. Jiangyu Li, University of Washington Correlation with Strength

16. Jiangyu Li, University of Washington Effect of Temperature and Rate

17. Jiangyu Li, University of Washington Effect of Temperature and Rate

18. Jiangyu Li, University of Washington Fracture Surface cleavage Dimpled rupture

19. Jiangyu Li, University of Washington Assignment Mechanical Behavior of Materials 8.5, 8.41