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Proceedings Paper

The connection technology based on high temperature silica fiber optic sensor
Author(s): Chong Du; Weihua Xie; Songhe Meng; Ying Yin; Lichuang Jiao; Leying Song
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Paper Abstract

The connection technology between silica Fiber Bragg Grating sensors (FBGs) and ultra-high temperature ceramic composites (UHTCs) is solved to measure the temperature and strain at the same time when the structural temperature higher than 500°C in this paper. A series experiments were carried out to compare the connection properties, and then the best adhesive was selected. A lot of attempts have been made to choose the best curing process. The experiments were carried out at 500°C, and results shown that the response wavelength and the heated temperature have positive linear relationship. The wavelength will increase 0.0096nm with the temperature rise 1°C, and 1με changes will induce the response wavelength increase 0.002nm. A feasible method for high temperature measuring based fiber Bragg grating was given in this study, and the results of this study can be used as an important reference data for hot structure the thermal protection systems designing.

Paper Details

Date Published: 3 April 2012
PDF: 8 pages
Proc. SPIE 8345, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2012, 83452X (3 April 2012); doi: 10.1117/12.917084
Show Author Affiliations
Chong Du, Harbin Institute of Technology (China)
Weihua Xie, Harbin Institute of Technology (China)
Songhe Meng, Harbin Institute of Technology (China)
Ying Yin, Harbin Institute of Technology (China)
Lichuang Jiao, Harbin Institute of Technology (China)
Leying Song, Harbin Institute of Technology (China)

Published in SPIE Proceedings Vol. 8345:
Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2012
Masayoshi Tomizuka; Chung-Bang Yun; Jerome P. Lynch, Editor(s)

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