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Curved sandwich beams with face-core debond subjected to bending moment
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Lightweight Structures.
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Lightweight Structures.ORCID iD: 0000-0002-9207-3404
2004 (English)In: Journal of Sandwich Structures and Materials, ISSN 1099-6362, E-ISSN 1530-7972, Vol. 6, no 2, 115-127 p.Article in journal (Refereed) Published
Abstract [en]

Curved sandwich beams subjected to opening bending moment are studied. Face-core debonds of varying size are introduced at the compressively loaded face sheet and the structural integrity is investigated. Analytical and finite element models are compared in order to identify the governing failure modes of the beams. A simple expression is presented as a tool for getting a quick estimate of the severity of an interface crack in a curved sandwich beam. Five different configurations of beams are tested experimentally in a custom made bending rig.

Place, publisher, year, edition, pages
2004. Vol. 6, no 2, 115-127 p.
Keyword [en]
sandwich, curved beams, bending, debond, interface crack, stresses
National Category
Composite Science and Engineering
Identifiers
URN: urn:nbn:se:kth:diva-23241DOI: 10.1177/1099636204030469ISI: 000220042300002Scopus ID: 2-s2.0-2542583234OAI: oai:DiVA.org:kth-23241DiVA: diva2:341939
Note

QC 20100525 QC 20111031 QC 20150729

Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved

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Hallström, Stefan

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