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Study of Two Models for Tearing Resistance Assessment Using Essential Work of Fracture Method
Blekinge Institute of Technology, School of Engineering, Department of Mechanical Engineering.
2008 (English)Independent thesis Advanced level (degree of Master (One Year))Student thesis
Abstract [en]

The thesis takes an insight look into two different models(two-zone and three-zone models)for describe the deformation and fracture behaviour of the tearing ligament.By earlier works,these two different models based on Essential Work of Fracture approach was proved to be capable for predicting the specific total work of fracture along the tear path across all plastic zones. A comparison of these two models was made based on the results from an early experiment. The investigation was based on two-leg trousers tear specimen with constant pre-crack length. The materials used in this work were PET and a laminate composed of PETG/PET. And a finite element simulation will be presented also to show the stress around the crack tip and the deformation of the tear specimen. The commercial software of ABAQUS will be selected to performance the simulation.

Place, publisher, year, edition, pages
2008. , 86 p.
Keyword [en]
Essential Work of Fracture(EWF), Two-leg Trousers Tear test, Out-of-plane Fracture
National Category
Mechanical Engineering
URN: urn:nbn:se:bth-5129Local ID: diva2:832493
0086-546-7556551Available from: 2015-04-22 Created: 2008-05-08 Last updated: 2015-06-30Bibliographically approved

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