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Engineering expressions for thermo-elastic constants of laminates with high density of transverse cracks
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Materialvetenskap.
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Materialvetenskap.ORCID-id: 0000-0001-9649-8621
Institut Jean Lamour, EEIGM 6 Rue Bastien Lepage, F-54010 Nancy.
2013 (engelsk)Inngår i: Composites. Part A, Applied science and manufacturing, ISSN 1359-835X, E-ISSN 1878-5840, Vol. 48, nr 1, s. 37-46Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Thermo-elastic constants of symmetric and balanced laminates with intralaminar cracks in 90-layers depend on the opening displacement (COD) of the crack. The COD dependence on the interaction between cracks in the same layer is studied using FEM. The COD dependence on crack density is described by interaction function in form of tanh(). This interaction function multiplied with COD of non-interactive crack is the input parameter in analytical model for thermo-elastic properties of damaged symmetric and balanced laminates. Predictions performed for cross-ply laminates with cracks in inside and in surface layers and for quasi-isotropic laminates with different position of the 90-layer are in a very good agreement with direct FEM calculations.

sted, utgiver, år, opplag, sider
2013. Vol. 48, nr 1, s. 37-46
HSV kategori
Forskningsprogram
Polymera konstruktionsmaterial
Identifikatorer
URN: urn:nbn:se:ltu:diva-10871DOI: 10.1016/j.compositesa.2012.12.012ISI: 000317880200005Scopus ID: 2-s2.0-84873630424Lokal ID: 9bf9c3a1-80f2-46a5-969b-aaeee87916c0OAI: oai:DiVA.org:ltu-10871DiVA, id: diva2:983819
Merknad
Validerad; 2013; 20130125 (andbra)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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