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Proceedings Paper

Analysis of the local stress field in a composite material with an embedded extrinsic Fabry-Perot interferometer (EFPI) sensor
Author(s): Klas Levin; Soren Nilsson
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Paper Abstract

Finite element analysis has been performed to determine the local stress field in a tensile loaded composite specimen with an embedded EFPI-sensor. The sensor/coating and the coating/composite interfaces have been distinguished as the sites where failure is initiated due to stress concentrations caused by the cavity in the EFPI-sensor. An increase in the strength of the interfaces is an important task to improve the reliability of embedded sensors.

Paper Details

Date Published: 13 September 1994
PDF: 4 pages
Proc. SPIE 2361, Second European Conference on Smart Structures and Materials, (13 September 1994); doi: 10.1117/12.184871
Show Author Affiliations
Klas Levin, FFA/Aeronautical Research Institute of Sweden (Sweden)
Soren Nilsson, FFA/Aeronautical Research Institute of Sweden (Sweden)


Published in SPIE Proceedings Vol. 2361:
Second European Conference on Smart Structures and Materials
Alaster McDonach; Peter T. Gardiner; Ron S. McEwen; Brian Culshaw, Editor(s)

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