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

S. W.F. Spronk; M. Kersemans; J. C.A. De Baerdemaeker; F. A. Gilabert; R. D.B. Sevenois; D. Garoz; C. Kassapoglou; W. Van Paepegem

doi:10.1016/j.polymertesting.2017.11.023

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

S. W.F. Spronk^*, M. Kersemans, J. C.A. De Baerdemaeker, F. A. Gilabert, R. D.B. Sevenois, D. Garoz, C. Kassapoglou, W. Van Paepegem

^*Corresponding author for this work

Aerospace Structures & Computational Mechanics

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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.

Original language	English
Pages (from-to)	231-241
Number of pages	11
Journal	Polymer Testing
Volume	65
DOIs	https://doi.org/10.1016/j.polymertesting.2017.11.023
Publication status	Published - 1 Feb 2018

Keywords

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

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10.1016/j.polymertesting.2017.11.023

Quasi static vs impact in Polymer TestingAccepted author manuscript, 2.25 MBLicence: CC BY-NC-ND

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

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.",

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

author = "Spronk, {S. W.F.} and M. Kersemans and {De Baerdemaeker}, {J. C.A.} and Gilabert, {F. A.} and Sevenois, {R. D.B.} and D. Garoz and C. Kassapoglou and {Van Paepegem}, W.",

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AU - Spronk, S. W.F.

AU - Kersemans, M.

AU - De Baerdemaeker, J. C.A.

AU - Gilabert, F. A.

AU - Sevenois, R. D.B.

AU - Garoz, D.

AU - Kassapoglou, C.

AU - Van Paepegem, W.

PY - 2018/2/1

Y1 - 2018/2/1

N2 - 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.

AB - 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.

KW - Low-velocity impact

KW - Optical microscopy

KW - Polymer-matrix composites (PMCs)

KW - Quasi-static indentation

KW - Ultrasonics

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JO - Polymer Testing

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

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Keywords

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