jiangyu li, university of washington lecture 21 fracture mechanics mechanical behavior of materials...
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![Page 1: Jiangyu Li, University of Washington Lecture 21 Fracture Mechanics Mechanical Behavior of Materials Section 8.3-8.7 Jiangyu Li University of Washington](https://reader035.vdocuments.us/reader035/viewer/2022062320/56649d355503460f94a0d0a4/html5/thumbnails/1.jpg)
Jiangyu Li, University of Washington
Lecture 21Fracture Mechanics
Mechanical Behavior of Materials Section 8.3-8.7
Jiangyu LiUniversity of Washington
Mechanics of Materials Lab
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Jiangyu Li, University of Washington
Stress Intensity Factor: Tension
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Jiangyu Li, University of Washington
Stress Intensity Factor: Bending
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Jiangyu Li, University of Washington
Stress Intensity Factor: Circumferential Crack
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Jiangyu Li, University of Washington
Stress Intensity Factor
![Page 6: Jiangyu Li, University of Washington Lecture 21 Fracture Mechanics Mechanical Behavior of Materials Section 8.3-8.7 Jiangyu Li University of Washington](https://reader035.vdocuments.us/reader035/viewer/2022062320/56649d355503460f94a0d0a4/html5/thumbnails/6.jpg)
Jiangyu Li, University of Washington
Superposition
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Jiangyu Li, University of Washington
Superposition
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Jiangyu Li, University of Washington
Energy Release Rate
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Jiangyu Li, University of Washington
Plastic Zone
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Jiangyu Li, University of Washington
K field
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Jiangyu Li, University of Washington
Limitation of LEFM
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Jiangyu Li, University of Washington
Example
Central cracka=10mmb=50mmt=5mmLarge hP=50 kNo=415 Mpa
Determine whether plane strain or LEFM apply, plastic zone.
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Jiangyu Li, University of Washington
Effect of Thickness
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Jiangyu Li, University of Washington
Load Displacement Curve
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Jiangyu Li, University of Washington
Correlation with Strength
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Jiangyu Li, University of Washington
Effect of Temperature and Rate
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Jiangyu Li, University of Washington
Effect of Temperature and Rate
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Jiangyu Li, University of Washington
Fracture Surface
cleavage Dimpled rupture
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Jiangyu Li, University of Washington
Assignment
Mechanical Behavior of Materials
8.5, 8.41