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A Comparison of 2-zone and 3-zone Models in Tearing based on Essential Work of Fracture
Blekinge Institute of Technology, School of Engineering, Department of Mechanical Engineering.
Blekinge Institute of Technology, School of Engineering, Department of Mechanical Engineering.
Responsible organisation
2009 (English)Conference paper, (Refereed)
Abstract [en]

Two different models (2-zone and 3-zone) for describing the deformation and fracture behavior of tearing ligament was compared and discussed based on the experimental results made by Kim et al. The models are based on the Essential Work of Fracture approach for predicting the specific total work of fracture along the tear path across plastic zones. The experiment and analysis were based on 2-leg trousers tear specimen. The materials chosen in this work were PET (0.508 mm). The results showed that the accuracy of 3-zone model was higher than 2-zone model. It was found that this difference is because the 2-zone model did not consider the plastic deformation caused by loading prior to tearing. Also a finite element model was created to simulate the behavior around the crack tip.

Place, publisher, year, edition, pages
Ottawa: Natural resources Canada , 2009.
Keyword [en]
tearing, Essential Work of Fracture, plastic zones
National Category
Applied Mechanics
Identifiers
URN: urn:nbn:se:bth-7668Local ID: oai:bth.se:forskinfo8432544A6C716AD5C1257807003DEFD4OAI: oai:DiVA.org:bth-7668DiVA: diva2:835312
Conference
12th Int. Conference on Fracture
Available from: 2012-09-18 Created: 2010-12-28 Last updated: 2017-03-16Bibliographically approved

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fulltext(535 kB)57 downloads
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Kao-Walter, SharonWalter, Mats
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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf