Press forming a 0/90 cross-ply advanced thermoplastic composite using the double-dome benchmark geometry

A pre-consolidated thermoplastic advanced composite cross-ply sheet comprised of two uniaxial plies orientated at 0/90° has been thermoformed using tooling based on the double-dome bench-mark geometry. Mitigation of wrinkling was achieved using springs to apply tension to the forming sheet rather th...

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Bibliographic Details
Published inComposites. Part A, Applied science and manufacturing Vol. 54; pp. 56 - 69
Main Authors Harrison, P., Gomes, R., Curado-Correia, N.
Format Journal Article
LanguageEnglish
Published Kidlington Elsevier Ltd 01.11.2013
Elsevier
Subjects
Applied sciences
B. Thermomechanical
C. Finite element analysis (FEA)
D. Mechanical testing
E. Forming
engineering
Exact sciences and technology
fabrics
Forms of application and semi-finished materials
Laminates
Polymer industry, paints, wood
prediction
Technology of polymers
temperature
thermoplastics
D. Mechanical testing
B. Thermomechanical
C. Finite element analysis (FEA)
E. Forming
Experimental test
Laminate
Propylene polymer
Thermoforming
Temperature effect
Theoretical study
Mechanical properties
Shear strength
Formability
Mineral fiber
Modeling
Processing equipment
Composite material
Finite element method
Olefin polymer
Numerical simulation
Technological properties
Woven material
Glass fiber
Computer aided design
Online AccessGet full text
ISSN1359-835X
1878-5840
1878-5840
DOI10.1016/j.compositesa.2013.06.014

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Summary:A pre-consolidated thermoplastic advanced composite cross-ply sheet comprised of two uniaxial plies orientated at 0/90° has been thermoformed using tooling based on the double-dome bench-mark geometry. Mitigation of wrinkling was achieved using springs to apply tension to the forming sheet rather than using a friction-based blank-holder. The shear angle across the surface of the formed geometry has been measured and compared with data collected previously from experiments on woven engineering fabrics. The shear behaviour of the material has been characterised as a function of rate and temperature using the picture frame shear test technique. Multi-scale modelling predictions of the material’s shear behaviour have been incorporated in finite element forming predictions; the latter are compared against the experimental results.
Bibliography:http://dx.doi.org/10.1016/j.compositesa.2013.06.014
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ISSN:1359-835X
1878-5840
1878-5840
DOI:10.1016/j.compositesa.2013.06.014