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Fracture Mechanism and Acoustic Damage Analysis of Thin Materials
Responsible organisation
2005 (English)Conference paper, (Refereed) Published
Abstract [en]

The fracture behavior of paper board (100 μm) used in food packaging material is studied. The plane stress fracture toughness is measured 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. Besides, detection of damage in food packaging material is an interesting feature in quality control of the product. Therefore the material is investigated using an acoustic method. The method consists of a vibration-based damage assessment and leads to a first level differentiation between damaged and non-damaged specimens. The fracture behavior of paper board (100 μm) used in food packaging material is studied. The plane stress fracture toughness is measured 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. Besides, detection of damage in food packaging material is an interesting feature in quality control of the product. Therefore the material is investigated using an acoustic method. The method consists of a vibration-based damage assessment and leads to a first level differentiation between damaged and non-damaged specimens.

Place, publisher, year, edition, pages
Turin: CCI Centro Cong. Int. s.r.l. , 2005.
Keyword [en]
Paper, Acoustic damage, fracture
National Category
Applied Mechanics
Identifiers
URN: urn:nbn:se:bth-9466Local ID: oai:bth.se:forskinfoDCCD97E664E5253BC125710F00487D53OAI: oai:DiVA.org:bth-9466DiVA: diva2:837322
Conference
11th Int. Conf. on Frac.
Available from: 2012-09-18 Created: 2006-02-08 Last updated: 2015-06-30Bibliographically approved

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fulltext(225 kB)49 downloads
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Kao-Walter, SharonHedberg, Claes
Applied Mechanics

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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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