Analysis of the local stress field in a composite material with an embedded extrinsic Fabry-Perot interferometer (EFPI) sensor

Klas Levin; Soren Nilsson

doi:10.1117/12.184871

13 September 1994 Analysis of the local stress field in a composite material with an embedded extrinsic Fabry-Perot interferometer (EFPI) sensor

Klas Levin, Soren Nilsson

Author Affiliations +

Proceedings Volume 2361, Second European Conference on Smart Structures and Materials; (1994) https://doi.org/10.1117/12.184871
Event: Smart Structures and Materials: Second European Conference, 1994, Glasgow, United Kingdom

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.

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Klas Levin and Soren Nilsson "Analysis of the local stress field in a composite material with an embedded extrinsic Fabry-Perot interferometer (EFPI) sensor", Proc. SPIE 2361, Second European Conference on Smart Structures and Materials, (13 September 1994); https://doi.org/10.1117/12.184871

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