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Fracture Toughness Testing of Non Standard Specimens
Responsible organisation
2004 (English)Report (Other academic)
Abstract [en]

The fracture behavior of the main layers used in food packaging material is studied. Investigations include aluminium foil (9μm), paper board (100 μm) and Low Density Polyethylene (27 μm). The plane stress fracture toughness of each layer is derived based on a centered crack panel. Different crack sizes have been tested. A compromise (crack length) was found, at which Strip Yield Model as well as Linear Elastic Fracture Mechanics allow the validation of experimental results. Meanwhile, accurate results are obtained using the Strip Yield Model with a geometric correction. The result is also used to evaluate crack initiation from a notch when all three layers are laminated.

Place, publisher, year, edition, pages
2004.
Series
Blekinge Tekniska Högskola Forskningsrapport, ISSN 1103-1581 ; 5
Keyword [en]
fracture, strip yield model, packaging material
National Category
Applied Mechanics
Identifiers
URN: urn:nbn:se:bth-00256Local ID: oai:bth.se:forskinfoBACF1176DFBE0526C1256E7B0027FD60OAI: oai:DiVA.org:bth-00256DiVA: diva2:837502
Available from: 2012-09-18 Created: 2004-04-19 Last updated: 2015-06-30Bibliographically approved

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Kao-Walter, Sharon
Applied Mechanics

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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