1. Mechanics of Materials Lab
Lecture 14
Fracture Mechanics
Mechanical Behavior of Materials Section
Jiangyu Li
University of Washington
Jiangyu Li, University of Washington

2. Stress Intensity Factor: Tension
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3. Stress Intensity Factor: Bending
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4. Stress Intensity Factor: Circumferential Crack-
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5. Stress Intensity Factor
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6. Jiangyu Li, University of Washington
Circular Crack
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7. Jiangyu Li, University of Washington
Elliptical Crack
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8. Jiangyu Li, University of Washington
Superposition
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9. Jiangyu Li, University of Washington
Superposition
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10. Jiangyu Li, University of Washington
Plastic Zone
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11. Jiangyu Li, University of Washington
K field
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12. Jiangyu Li, University of Washington
Limitation of LEFM
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13. Jiangyu Li, University of Washington
Effect of Thickness
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14. Load Displacement Curve
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15. Correlation with Strength
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16. Effect of Temperature and Rate
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17. Effect of Temperature and Rate
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18. Jiangyu Li, University of Washington
Fracture Surface
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19. Jiangyu Li, University of Washington
Energy Release Rate
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20. Jiangyu Li, University of Washington
Assignment
Mechanical Behavior of Materials
8.29, 8.41
Jiangyu Li, University of Washington