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On effective properties of layers in damaged composite laminates
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0001-9649-8621
2011 (English)In: Advances in Fracture and Damage Mechanics X: selected, peer reviewed papers from the 10th International Conference on Fracture and Damage Mechanics (FDM 2011), September 19-21, 2011, Dubrovnik, Croatia / [ed] Z. Tonković ; M.H. Aliabadi, Durnten-Zurich: Trans Tech Publications Inc., 2011, 490-493 p.Conference paper, Published paper (Refereed)
Abstract [en]

Methodology is suggested for calculation of effective elastic constants of layer containing intralaminar cracks. Trends are presented for layers with low and medium high crack densities, where the interaction between cracks can be neglected. The effective properties of the damaged layer are determined by back- calculation using previously developed GLOB-LOC model for thermo-mechanical properties of damaged laminate [1]. It is shown that the effective transverse modulus and shear modulus of a layer decrease linearly with increasing crack density, whereas longitudinal modulus and major Poisson's ratio do not change at all. Experimental data for multiple cracking are analyzed showing that linear approximation of crack density versus applied strain may have sufficient accuracy. These two linear trends are used to calculate the effective elastic properties of a layer as a function of strain

Place, publisher, year, edition, pages
Durnten-Zurich: Trans Tech Publications Inc., 2011. 490-493 p.
Series
Key Engineering Materials, ISSN 1013-9826 ; 488-489
National Category
Composite Science and Engineering
Research subject
Polymeric Composite Materials
Identifiers
URN: urn:nbn:se:ltu:diva-38779DOI: 10.4028/www.scientific.net/KEM.488-489.490Scopus ID: 80053964141Local ID: d4735e03-8771-431b-9090-9a79e3ea1d56ISBN: 978-3-03785-218-7 (print)OAI: oai:DiVA.org:ltu-38779DiVA: diva2:1012280
Conference
International Conference on Fracture and Damage Mechanics : 19/09/2011 - 21/09/2011
Note
Validerad; 2011; Bibliografisk uppgift: Selected, peer reviewed papers from the 10th International Conference on Fracture and Damage Mechanics (FDM 2011), 19-21 September, 2011, Dubrovnik, Croatia; 20111026 (andbra)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2017-11-25Bibliographically approved

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