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Proceedings Paper

Multi-stage fatigue life monitoring on quasi-isotropic carbon fibre reinforced polymers enhanced with multi-wall carbon nanotubes: parallel use of electrical resistance, acoustic emission, and acousto-ultrasonic techniques
Author(s): V. Kostopoulos; A. Vavouliotis; T. Loutas; P. Karapappas
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Paper Abstract

In this study, CNTs were used as modifiers of the epoxy matrix of quasi-isotropic carbon fibre reinforced laminates. The prepared laminates were subjected to tensile loading and tension-tension fatigue and, the changes in the longitudinal resistance were monitored via a digital multimeter. In addition, Acoustic Emission and Acousto-Ultrasonic techniques were used for monitoring the fatigue process of the laminates. The nano-enhanced laminates on the one hand exhibited superior fatigue properties and on the other hand they demonstrated the full-potential of the material to be used as an integrated sensor to monitor the fatigue life.

Paper Details

Date Published: 8 April 2009
PDF: 11 pages
Proc. SPIE 7294, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2009, 729409 (8 April 2009); doi: 10.1117/12.821520
Show Author Affiliations
V. Kostopoulos, Univ. of Patras (Greece)
A. Vavouliotis, Univ. of Patras (Greece)
T. Loutas, Univ. of Patras (Greece)
P. Karapappas, Univ. of Patras (Greece)


Published in SPIE Proceedings Vol. 7294:
Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2009
H. Felix Wu; Aaron A. Diaz; Peter J. Shull; Dietmar W. Vogel, Editor(s)

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