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Stiffness properties of composite laminates with matrix cracking and interior delamination
1986 (English)In: Engineering Fracture Mechanics, ISSN 0013-7944, E-ISSN 1873-7315, Vol. 25, no 5-6, p. 751-762Article in journal (Refereed) Published
Abstract [en]

Two modes of damage in composite laminates are considered: the intralaminar damage (matrix cracking) and the interlaminar damage (interior delamination). Using a vectorial representation of damage as internal variables in a phenomenological theory, relationships between the overall stiffness properties and the intensity of damage in the individual modes are determined. These relationships show that the intralaminar damage reduces all elastic moduli for a general orientation of the damage entities (cracks) and changes the initial orthotropic symmetry of a laminate. The interlaminar damage, however, does not change the symmetry but reduces the moduli. Predictions of the elastic moduli changes are compared with experimental results, showing excellent agreement

Place, publisher, year, edition, pages
1986. Vol. 25, no 5-6, p. 751-762
Identifiers
URN: urn:nbn:se:ltu:diva-7152Local ID: 579f9a08-ca46-4691-891c-4711c9351a8bOAI: oai:DiVA.org:ltu-7152DiVA, id: diva2:980040
Note
Upprättat; 1986; 20130904 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-01-16Bibliographically approved

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Talreja, Ramesh

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