Geometrically Nonlinear Field Fracture Mechanics and Crack Nucleation, Application to Strain Localization Fields in Al-Cu-Li Aerospace Alloys
Abstract
:1. Introduction
2. Notations
3. Incompatible Elasto-Plastic Continuum Theory
3.1. Disconnections and the Incompatibility of the Total Distortion
3.2. Dislocations and the Incompatibility of the Plastic Distortion
3.3. Composition of Incompatibilities and Elastic Distortion
4. Elasto-Static Incompatible Media
5. Transport
6. Elasto-Plastic Incompatible Media
7. Disconnection Nucleation
Thermally-Activated Crack Nucleation in Elastic-Brittle Materials
8. Application to DIC Methods and Strain Localization-Induced Fracture in Al-Cu-Li Alloys
8.1. DIC Setup and Estimation of Disconnection Densities from DIC Data
8.2. Analysis of Sample Fracture Using Disconnection Densities
8.3. Mixed Mode Fractured Specimen
8.4. Mode I Dominated Fractured Specimen
9. Conclusions
Acknowledgments
Author Contributions
References
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Gupta, S.; Taupin, V.; Fressengeas, C.; Jrad, M. Geometrically Nonlinear Field Fracture Mechanics and Crack Nucleation, Application to Strain Localization Fields in Al-Cu-Li Aerospace Alloys. Materials 2018, 11, 498. https://doi.org/10.3390/ma11040498
Gupta S, Taupin V, Fressengeas C, Jrad M. Geometrically Nonlinear Field Fracture Mechanics and Crack Nucleation, Application to Strain Localization Fields in Al-Cu-Li Aerospace Alloys. Materials. 2018; 11(4):498. https://doi.org/10.3390/ma11040498
Chicago/Turabian StyleGupta, Satyapriya, Vincent Taupin, Claude Fressengeas, and Mohamad Jrad. 2018. "Geometrically Nonlinear Field Fracture Mechanics and Crack Nucleation, Application to Strain Localization Fields in Al-Cu-Li Aerospace Alloys" Materials 11, no. 4: 498. https://doi.org/10.3390/ma11040498