Application of Coupled Ductile Fracture Criterion to Plane Strain Plates

František Šebek; Petr Kubík; Jindřich Petruška

doi:10.4028/www.scientific.net/DDF.382.186

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Application of Coupled Ductile Fracture Criterion to Plane Strain Plates

Abstract:

The paper presents a complex material model which covers the elastic-plastic behavior, material deterioration and ductile fracture. The calibration of such model was conducted for Aluminum Alloy (AA) 2024-T351 using specimens with various geometries and loading which covers various stress states. The model was then applied to the simulations of tensile test of plates. The computations were carried out in Abaqus/Explicit using the user subroutine Vectorized User MATerial (VUMAT), where the crack initiation and subsequent propagation was realized using the element deletion technique. The results were compared to the experimental observation in the end.

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Periodical:

Defect and Diffusion Forum (Volume 382)

Pages:

186-190

DOI:

https://doi.org/10.4028/www.scientific.net/DDF.382.186

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Online since:

January 2018

Authors:

František Šebek*, Petr Kubík, Jindřich Petruška

Keywords:

Aluminum Alloy, Flat Plate, Material Deterioration, Slant Fracture, Softening, Weakening

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