Comparing damage from low-velocity impact and quasi-static indentation in automotive carbon/epoxy and glass/polyamide-6 laminates
S. W.F. Spronk (Universiteit Gent, Strategisch Initiatief Materialen)
M. Kersemans (Universiteit Gent)
J. C.A. De Baerdemaeker (Universiteit Gent)
F. A. Gilabert (Strategisch Initiatief Materialen, Universiteit Gent)
R. D.B. Sevenois (Universiteit Gent, Strategisch Initiatief Materialen)
D. Garoz (Universiteit Gent, Strategisch Initiatief Materialen)
C. Kassapoglou (TU Delft - Aerospace Structures & Computational Mechanics)
W. Van Paepegem (Universiteit Gent)
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Abstract
The results of a low-velocity impact programme on both carbon/epoxy and glass/polyamide-6 composite laminates are compared to the results of quasi-static indentation. Cross-ply and quasi-isotropic stacking sequences are impacted and quasi-static indentation tests are performed up to the same maximum displacement. The response of the laminates to both test methods is compared in terms of force-displacement behaviour, dissipated energy and resulting damage. Significant differences between low-velocity impact and quasi-static indentation are found for both material systems. It is therefore concluded that the test methods cannot be interchanged for material characterisation.
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