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An anisotropic non-linear material model for glass fibre reinforced plastics
Jönköping University, School of Engineering, JTH, Materials and Manufacturing.ORCID iD: 0000-0003-1412-7988
Jönköping University, School of Engineering.
Jönköping University, School of Engineering, JTH. Research area Product Development - Simulation and Optimization. Jönköping University, School of Engineering, JTH, Product Development.ORCID iD: 0000-0003-0899-8939
Jönköping University, School of Engineering, JTH, Materials and Manufacturing. Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing – Casting.ORCID iD: 0000-0003-2671-9825
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2018 (English)In: Composite structures, ISSN 0263-8223, E-ISSN 1879-1085, Vol. 195, p. 93-98Article in journal (Refereed) Published
Abstract [en]

This paper aims to present a methodology to predict the anisotropic and non-linear behaviour of glass fibre reinforced plastics using finite element methods. A material model is implemented in order to remedy the need of multiple material definitions, and to control the local plastic behaviour as a function of the fibre orientation. Injection moulding simulations traditionally provide second order orientation tensors, which are considered together with a homogenization scheme to compute local material properties. However, in the present study, fourth order tensors are used in combination with traditional methods to provide more accurate material properties. The elastic and plastic response of the material model is optimized to fit experimental test data, until simulations and experiments overlap. The proposed material model can support design engineers in making more informed decisions, allowing them to create smarter products without the need of excessive safety factors, leading to reduced component weight and environmental impact. 

Place, publisher, year, edition, pages
Elsevier, 2018. Vol. 195, p. 93-98
Keywords [en]
Calibration, Fibre orientation, GFRP, Local material properties, Anisotropy, Elastomers, Environmental impact, Finite element method, Glass fibers, Injection molding, Product design, Reinforced plastics, Reinforcement, Safety factor, Tensors, Fourth-order tensors, Homogenization scheme, Multiple materials, Nonlinear behaviours, Nonlinear materials, Fiber reinforced plastics
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:hj:diva-39386DOI: 10.1016/j.compstruct.2018.04.044ISI: 000432491400009Scopus ID: 2-s2.0-85045766757OAI: oai:DiVA.org:hj-39386DiVA, id: diva2:1205003
Available from: 2018-05-09 Created: 2018-05-09 Last updated: 2018-07-06Bibliographically approved

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Salomonsson, KentOlofsson, JakobJohansson, Joel

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JTH, Materials and ManufacturingSchool of EngineeringJTH. Research area Product Development - Simulation and OptimizationJTH, Product DevelopmentJTH. Research area Materials and manufacturing – CastingJTH. Research area Product Development - Computer supported engineering design
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