In situ Strain and Temperature Monitoring of Adaptive Composite Materials-Reference-Cited by-同舟云学术

In situ Strain and Temperature Monitoring of Adaptive Composite Materials

Published:2006-12 Issue:12 Volume:17 Page:1059-1067
ISSN:1045-389X
Container-title:Journal of Intelligent Material Systems and Structures
language:en
Short-container-title:Journal of Intelligent Material Systems and Structures

Author:

Yoon Hyuk-Jin¹,Costantini Daniele Marco,Limberger Hans Georg,Salathé René Paul²,Kim Chun-Gon¹,Michaud Veronique³

Affiliation:

1. Smart Structures & Composites Laboratory, KAIST, Korea

2. Advanced Photonics Laboratory, EPFL, Switzerland

3. Laboratoire de Technologie des Composites et Polymères (LTC) Ecole Polytechnique Fédérale de Lausanne (EPFL), Switzerland;

Abstract

An optical fiber sensor is designed to simultaneously measure strain and temperature in an adaptive composite material. The sensor is formed by splicing two fiber Bragg gratings (FBGs) close to each other, which are written in optical fibers with different core dopants and concentrations. Their temperature sensitivities are hence different. The sensor is tested on an adaptive composite laminate made of unidirectional Kevlar-epoxy prepreg plies. Several 150 μm diameter prestrained NiTiCu shape memory alloy (SMA) wires are embedded in the composite laminate together with one fiber sensor. Simultaneous monitoring of strain and temperature during the curing process and activation in an oven is demonstrated.

Publisher

SAGE Publications

Subject

Mechanical Engineering,General Materials Science

Link

http://journals.sagepub.com/doi/pdf/10.1177/1045389X06064889

Reference49 articles.

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