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A modified three point bend specimen
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Mechanics of Solid Materials.
2009 (English)In: Proceedings: nternationale sur la Rupture : Ottawa, Canada, July 12 - 17, 2009 = Comptes rendus, National Resources Canada , 2009, p. 184-192Conference paper, Published paper (Refereed)
Abstract [en]

Steel profiles with slightly tapered cross section sides are not uncommon in older structures. The steels are often inhomogeneous and the fracture toughness varies across the thickness. In this project, the geometry of the standard three point bend specimen (ASTM E-1820) is modified to allow full thickness testing of tapered samples. The part of the project reported here deals with the J-integral of the modified specimen. The J-integral is calculated analytically and numerically with the finite element method for a linear and a non-linear material model and different specimen cross section proportions. A simple, single test fracture toughness evaluation procedure is proposed.

Place, publisher, year, edition, pages
National Resources Canada , 2009. p. 184-192
National Category
Applied Mechanics
Research subject
Solid Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-34927Local ID: 93bb6610-e4b1-11de-bae5-000ea68e967bOAI: oai:DiVA.org:ltu-34927DiVA, id: diva2:1008179
Conference
International Conference on Fracture : 12/07/2009 - 17/07/2009
Note

Godkänd; 2009; Bibliografisk uppgift: CD-rom; 20091209 (kjelle)

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

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