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Stress analysis of axially and thermally loaded discontinuous tile core sandwich with and without adhesive filled core gaps
Högskolan i Skövde, Institutionen för teknik och samhälle.
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.
Vise andre og tillknytning
2011 (engelsk)Inngår i: Composite structures, ISSN 0263-8223, E-ISSN 1879-1085, Vol. 93, nr 7, s. 1621-1630Artikkel i tidsskrift (Fagfellevurdert) 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.

sted, utgiver, år, opplag, sider
Elsevier, 2011. Vol. 93, nr 7, s. 1621-1630
Emneord [en]
Sandwich, Adhesive, Stresses, Compliance, Interlaminar
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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, id: diva2:508739
Tilgjengelig fra: 2012-03-09 Laget: 2012-03-01 Sist oppdatert: 2017-12-07bibliografisk kontrollert

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