| Credit Hours: |
3-0-3 |
| Prerequisites: |
AE 2120 or ME 2211
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| Catalog Description: |
Brittle and ductile fracture criteria. Failure prediction in composite structures. Free-edge and internal delamination. Anisotropic cracks. Fatigue behavior of composites and comparison with metal fatigue. Crosslisted with AE, CHE, and MSE 7775.
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| Textbooks: |
R. L. Carlson and G. A. Kardomateas, An Introduction to Fatigue in Metals and Composites; First Edition, Chapman and Hall, London, 1995.
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| Instructors: |
George Kardomateas (AE), Ramesh Talreja (AE), David McDowell (ME), Richard Neu (ME), Steve Johnson (MSE), Wan-Lee Yin (CE)
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| Topics: |
- Basic concepts in Fracture Mechanics
- brittle and ductile fracture criteria
- scales in fracture mechanics treatments
- failure prediction in multilayer composites.
- Free-Edge Delamination in Composites
- interlaminar normal and shear edge stresses
- initiation of free-edge delamination
- effects on fatigue loading.
- Internal Delaminations in Composites
- delamination buckling
- prediction of monotonic and fatigue growth.
- Cracks in Anisotropic Materials
- Riemann-Hilbert complex variable approach
- stress intensity factors and displacement fields
- symmetric, plane skew-symmetric and longitudinal shear.
- New Micro-Mechanical Models
- fiber bridging models in composites
- discrete asperity models in metals.
- Fracture and Fatigue Control in Structural Design and Maintenance
- safe-life, fail-safe and damage-tolerant design
- structural integrity case studies.
- Damage tolerance analysis and certification procedures
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