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Fracture Mechanics Formulation for Toughening
 | Integration of matrix, fiber and interface properties.
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| R-Curves
 | Experimental & Theoretical
| Material properties, specimen and loading geometry.
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| Finite Element Formulation used for verification.
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| Single fiber debonding formulation
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| Closing Pressure distribution in the process zone.
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| Matrix Constitutive Response modified by the closing pressures.
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| Crack Growth Criteria Based on R-Curves
| Simulation of load displacement curves and comparison with experiments
| Modeling of Durability based on Interface and fiber strength properties.
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| Discussion
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