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Proceedings Paper

Damage detection in CFRP laminates using electrical potential techniques
Author(s): N. Angelidis; N. Khemiri; P. E. Irving
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Paper Abstract

Many techniques are in development to detect and quantify damage in Carbon Fiber Reinforced Polymers (CFRP) structures. All the techniques have advantages and disadavantages in accuracy, expense, robustness and level of instrumentation. Almost all involve sensing of strains or acoustic waves using embedded or surface mounted optic fibesr or piezo transducers. An alternative, relatively unexplored, is the electrical potential technique, whcih exploits the electical conducitivyt of carbon fiber as a damage sensing element. The technique consists of measurement of potential distribution in CFRP laminates before and after delamination damage is formed by an impact or other event.

Paper Details

Date Published: 13 March 2003
PDF: 7 pages
Proc. SPIE 4763, European Workshop on Smart Structures in Engineering and Technology, (13 March 2003); doi: 10.1117/12.508692
Show Author Affiliations
N. Angelidis, Cranfield Univ. (United Kingdom)
N. Khemiri, Cranfield Univ. (United Kingdom)
P. E. Irving, Cranfield Univ. (United Kingdom)


Published in SPIE Proceedings Vol. 4763:
European Workshop on Smart Structures in Engineering and Technology

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