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Fracture mechanics for membranes
Malmö högskola, School of Technology (TS).
Malmö högskola, School of Technology (TS).
Malmö högskola, School of Technology (TS).
2004 (English)Conference paper, Published paper (Other academic)
Abstract [en]

During fracture of membranes loading often produces buckles above and below the crack surface. This changes the stress state surrounding the crack-tip and stresses in the neighbourhood of the crack-tip posses a weaker singularity than r-1/2. As a result, fracture occurs when the crack-tip stress distribution is different as compared with that when buckling is artificially prevented. Therefore the conditions for transfer of lab results to real structures are changed. The weaker singularity is here utilised to formulate an adopted fracture mechanical theory. An approximate application is made based on an assumption that the buckled area of the paper is incapable of carrying load. This region is approximated with the region that is under compressive load at plane stress conditions. The result is compared with experiments performed on paper. The importance of the linear extent of the process region has on the energy available for fracture is discussed.

Place, publisher, year, edition, pages
2004.
National Category
Applied Mechanics
Identifiers
URN: urn:nbn:se:mau:diva-12460Local ID: 11393OAI: oai:DiVA.org:mau-12460DiVA, id: diva2:1409507
Conference
European Conference of Fracture (ECF), Stockholm, Sweden (2004)
Available from: 2020-02-29 Created: 2020-02-29 Last updated: 2022-06-27Bibliographically approved

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fulltext(370 kB)55 downloads
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File name FULLTEXT01.pdfFile size 370 kBChecksum SHA-512
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http://www.structuralintegrity.eu/pdf/esis/Documents/Conference/ECF/15/Index.htm

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Ståhle, Per

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • 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
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Output format
  • html
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  • asciidoc
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