Publication detail

Application of Coupled Ductile Fracture Criterion to Plane Strain Plates

ŠEBEK, F. KUBÍK, P. PETRUŠKA, J.

Czech title

Aplikace svázaného kritéria tvárného porušování na plechy při rovinné deformaci

English title

Application of Coupled Ductile Fracture Criterion to Plane Strain Plates

Type

conference paper

Language

en

Original 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.

Czech abstract

Článek prezentuje komplexní model materiálu, který zahrnuje elasto-plastické chování, degradaci a tvárné porušování. Kalibrace takového modelu byla provedena na slitině hliníku 2024-T351 s použitím vzorků s různou geometrií a zatěžováním, které pokrývá různé napěťové stavy. Model byl posléze aplikován na simulace zkoušky tahem plechů. Výpočty byly provedeny v Abaqus/Explicit s využitím uživatelského podprogramu Vectorized User MATerial (VUMAT), kde iniciace trhliny a následné šíření byly realizovány pomocí techniky mazání prvků. Nakonec byly výsledky porovnány s experimentálním pozorováním.

English 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.

Keywords in Czech

rovný plech; slitina hliníku; degradace materiálu; zmírnění; změkčení; šikmý lom

Keywords in English

flat plate; aluminum alloy; material deterioration; weakening; softening; slant fracture

Released

10.01.2018

ISBN

978-3-0357-1209-4

ISSN

1012-0386

Book

Engineering and Innovative Materials VI

Volume

382

Number

1

Pages from–to

186–190

Pages count

5

BIBTEX


@inproceedings{BUT141561,
  author="František {Šebek} and Petr {Kubík} and Jindřich {Petruška},
  title="Application of Coupled Ductile Fracture Criterion to Plane Strain Plates",
  booktitle="Engineering and Innovative Materials VI",
  year="2018",
  volume="382",
  number="1",
  month="January",
  pages="186--190",
  isbn="978-3-0357-1209-4",
  issn="1012-0386"
}