Comparing damage from low-velocity impact and quasi-static indentation in automotive carbon/epoxy and glass/polyamide-6 laminates

Journal article (2018)

Authors

S.W.F. Spronk Universiteit Gent, Strategisch Initiatief Materialen

M. Kersemans Universiteit Gent

J.C.A. De Baerdemaeker Universiteit Gent

Francisco A. Gilabert Strategisch Initiatief Materialen, Universiteit Gent

R.D.B. Sevenois Universiteit Gent, Strategisch Initiatief Materialen

D. Garoz Strategisch Initiatief Materialen, Universiteit Gent

C. Kassapoglou Aerospace Structures & Computational Mechanics - Aerospace Engineering

W. Van Paepegem Universiteit Gent

Research Group

Aerospace Structures & Computational Mechanics (Aerospace Engineering) (TU Delft)

DOI: https://doi.org/10.1016/j.polymertesting.2017.11.023

Low-velocity impact Optical microscopy Polymer-matrix composites (PMCs) Quasi-static indentation Ultrasonics

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http://resolver.tudelft.nl/uuid:7691d797-8cee-4bb5-b532-2db63ebed21b

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Published Date

01-02-2018

Language

English

Faculty

Aerospace Engineering

Department

Aerospace Structures & Materials

Research Group

Aerospace Structures & Computational Mechanics

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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