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Stress analysis of axially and thermally loaded discontinuous tile core sandwich with and without adhesive filled core gaps
University of Skövde, School of Technology and Society.
Univ Delaware, Ctr Composite Mat, Newark, DE 19716 USA.
Univ Delaware, Ctr Composite Mat, Newark, DE 19716 USA.
Florida Atlantic Univ, Dept Mech Engn, Boca Raton, FL 33431 USA.
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2011 (English)In: Composite structures, ISSN 0263-8223, Vol. 93, no 7, 1621-1630 p.Article in journal (Refereed) Published
Abstract [en]

An analytical study is performed to investigate the stress states in an axially and thermally loaded sandwich structure with a discontinuous ceramic tile core. General and simplified models are developed to determine stresses in the constituents of the sandwich structure with and without adhesive in the gaps between adjacent tiles. A general model that allows local bending of the face sheet and a simplified model which assumes uniform through-thickness stress distribution in the face sheets are developed. It is shown that the normal stress in the face sheet decreases when the gap is filled by adhesive, although the tile stress increases. The analytical model shows that normal and shear stresses at the face/core interface can be reduced by filling the gaps between tiles. Filled gaps also elevate the axial stiffness of the structure. Model results are verified by comparison to a previously developed analytical model and finite element analysis. (C) 2011 Elsevier Ltd. All rights reserved.

Place, publisher, year, edition, pages
Elsevier, 2011. Vol. 93, no 7, 1621-1630 p.
Keyword [en]
Sandwich, Adhesive, Stresses, Compliance, Interlaminar
National Category
Composite Science and Engineering
Research subject
Technology
Identifiers
URN: urn:nbn:se:his:diva-5543DOI: 10.1016/j.compstruct.2011.01.015ISI: 000289764300002Scopus ID: 2-s2.0-79955473233OAI: oai:DiVA.org:his-5543DiVA: diva2:508739
Available from: 2012-03-09 Created: 2012-03-01 Last updated: 2012-11-15Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • 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
More languages
Output format
  • html
  • text
  • asciidoc
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