Comparison of experimental and simulation studies of location of impact damage in polymer composites using electrical potential techniques

L. C. Masson; P. E. Irving

doi:10.1117/12.396399

24 August 2000 Comparison of experimental and simulation studies of location of impact damage in polymer composites using electrical potential techniques

L. C. Masson, P. E. Irving

Author Affiliations +

Proceedings Volume 4073, Fifth European Conference on Smart Structures and Materials; (2000) https://doi.org/10.1117/12.396399
Event: Symposium on Applied Photonics, 2000, Glasgow, United Kingdom

Abstract

Quasi-isotropic samples of Hexcel T300/914 composite laminate have been impacted in an instrumented drop weight machine. The impact energy ranged from 5 to 8 Joules. Electrical potentials before and after the impact events were monitored using a network of probes mounted on top and bottom surfaces. Impact damage could be readily detected in all samples. A finite element analysis of the potential distribution within a sample, of identical lay-up to the one tested experimentally, has been carried out using the Abaqus 5.8-17 package. Current flow has been observed in each layer of the model. In the model, an artificial impact damage area (size 100x100mm) has been modelled as 13 square delaminations placed on top of each other, between every ply. Changes in the potential field have been found, depending on the location of the damage area. Comparison of calculated and experimentally derived potential measurements give broadly similar responses to creation of impact damage.

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L. C. Masson and P. E. Irving "Comparison of experimental and simulation studies of location of impact damage in polymer composites using electrical potential techniques", Proc. SPIE 4073, Fifth European Conference on Smart Structures and Materials, (24 August 2000); https://doi.org/10.1117/12.396399

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