Prediction of the angle of initial crack extension, critical load and unstable crack paths based on the criteria of maximum tangential stress (MTS), maximum tangential principal stress (MTPS), maximum tangential strain (MTSN), and strain energy density (SED) are compared for slit and elliptical crac
Fracture criteria based on local properties of the Eshelby tensor
β Scribed by R. Kienzler; G. Herrmann
- Publisher
- Elsevier Science
- Year
- 2002
- Tongue
- English
- Weight
- 175 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0093-6413
No coin nor oath required. For personal study only.
β¦ Synopsis
Local failure criteria based on components of the Eshelby tensor are introduced and discussed. The application of the proposed criteria is demonstrated for a plane crack under mixed-mode loading conditions. Experiments have to show, if the criteria are also suitable to assess structures with distributed defects and are, thus, applicable to damage mechanics.
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The dependence of the fracture behavior of photocured dimethacrylate-based composite resins on the matrix crosslink density (varied by postcuring at various temperatures) was investigated. In general, the fracture toughness (KIc) was increased by postcuring as has been observed for epoxy-amine netwo