Journal
COMPOSITE STRUCTURES
Volume 136, Issue -, Pages 635-649Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compstruct.2015.10.041
Keywords
Glass fibres; Mechanical properties; Finite element analysis; Injection moulding; X-ray micro-tomography
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Funding
- International Campus on Safety and Intermodality in Transportation (CISIT)
- Nord-Pas-de-Calais Region
- European Community (FEDER funds)
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We report a new approach to measure orthotropic properties of short glass fibre reinforced thermoplastics at the macroscopic scale taking into account all microstructural details. 3D imaging technique based on X-ray micro-tomography is used to assess fibrous architecture of an injected part at different positions characterised by different fibre flow histories. Finite element computation is used as a multiscale process, firstly by computing orthotropic parameters at a micro-scale for hundreds of bi-phasic 3D domains composing the macrostructure of the composite at all studied positions. Results are implemented in a second finite element computation as a collection of orthotropic material models composing the heterogeneous structure of the composite. (C) 2015 Elsevier Ltd. All rights reserved.
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