Comparing damage from low-velocity impact and quasi-static indentation in automotive carbon/epoxy and glass/polyamide-6 laminates
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...
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Published in | Polymer testing Vol. 65; pp. 231 - 241 |
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Main Authors | , , , , , , , |
Format | Journal Article |
Language | English |
Published |
Barking
Elsevier Ltd
01.02.2018
Elsevier BV |
Subjects | |
Online Access | Get full text |
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Summary: | 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.
•Quasi-static indentation is evaluated as alternative to low-velocity impact testing.•Carbon/epoxy and glass/polyamide-6, both cross-ply and quasi-isotropic are assessed.•Comparison of force-displacement response, dissipated energy and resulting damage.•Three different C-scanning techniques and micrographic damage analysis are applied.•The two test methods cause significantly different damage in material configurations. |
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ISSN: | 0142-9418 1873-2348 |
DOI: | 10.1016/j.polymertesting.2017.11.023 |