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- W2141013219 abstract "Summary Several methods are in vogue to understand the process of crack initiation and propagationin ductilematerials. In an attempt toachieve aunifiedunderstandingof these methods, a large deformation finite element analysis has been carried out. An attempt has been made to understand ductile fracture by numerically determining theductilefracture toughnessby three differentmethods viz. 1) Load-displacement method 2) Path-integral method 3) Stretch zone width method (SZW). In addition, an attempt has to be made to explore the possibility of using ‘characteristic distance’ (lc) approach for establishingfracture toughness. The present studyattempts at achieving an insight into defining the procedure for numerical determination of SZW. This method of determination also explains the mechanism behind the creation of featureless zone, defined as SZW, which was missing in its earlier method of determination by 45 degree lines. The investigation essentially comprises of number of FEM simulation to study & correlate crack tip bluntingwith experimental fracture toughness. It is concluded that large deformation FEM analysis can reasonably represent the process of fracture in the crack tip area and can fairly accurately predict the material’s toughness, SZW and its critical value using tensile test data." @default.
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- W2141013219 date "2007-04-01" @default.
- W2141013219 modified "2023-09-28" @default.
- W2141013219 title "Large deformation FEM analysis of ductile fracture" @default.
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- W2141013219 doi "https://doi.org/10.3970/icces.2007.001.147" @default.
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