Comments on “influence of specimen size on the crack-opening-stretch zone”
✍ Scribed by Phuc Nguyên-Duy
- Publisher
- Elsevier Science
- Year
- 1987
- Weight
- 71 KB
- Volume
- 92
- Category
- Article
- ISSN
- 0025-5416
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Critical values of the crack-tip-opening displacement, COD,, are determined on CIIspecimens having different thicknesses and ligament lengths. COD, is determined using the method of stereophotogrammetry with the scanning-electron microscope. The in&nce of specimen geometry on CODi is studied. Criter
A method for the crack tip analysis of a tensile loaded crack (mode I) due to yielding of the material is developed. The stress/strain distribution within the plastic zone, as well as size of the plastic zone are presented. The development is based on the energy interpretation of the strain hardenin