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A modified three point bend specimen
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Mechanics of Solid Materials.
2008 (English)In: Multilevel Approch to Fracture of Materials, Components and Structures: 17th European Conference on Fracture / [ed] Jaroslav Plokluda; Petr Lukás; Pavel Sandera; Ivo Dlouhý, Brno: VUTIUM , 2008, Vol. 2, p. 1932-1939Conference paper, Published paper (Refereed)
Abstract [en]

Steel profiles, such as angle sections in beams and girders, with slightly tapered cross section sides are not uncommon in older structures. Further, the fracture toughness of older and inhomogeneous steels varies in general across the thickness of a sample. The thickness of a machined, standard parallel-sided specimen of a tapered sample is in practice seldom more than 60-70 % of the full sample thickness and such a specimen captures in general inferior core material only. In view of this conundrum, a modified three point bend specimen with partly tapered sides has been designed so as to accommodate tapered samples. The project includes calibration, testing and evaluation of the modified specimen. The part of the project, which is reported here, is part analytical and part numerical and aimed at calculation of the stress intensity factor for various crack lengths, taper and specimen cross section proportions.

Place, publisher, year, edition, pages
Brno: VUTIUM , 2008. Vol. 2, p. 1932-1939
National Category
Applied Mechanics
Research subject
Solid Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-32615Local ID: 72a927e0-83c4-11dd-8d17-000ea68e967bISBN: 978-80-214-3692-3 (print)ISBN: 978-80-214-3692-3 (electronic)OAI: oai:DiVA.org:ltu-32615DiVA, id: diva2:1005849
Conference
European Conference on Fracture, Multilevel Approach to Fracture of Materials, Components and Structures : 02/09/2008 - 05/09/2008
Note

Godkänd; 2008; Bibliografisk uppgift: Book of Abstracts & Proccedings on CD ROM; 20080916 (kjelle)

Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2018-02-27Bibliographically approved

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Eriksson, Kjell

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