Monitoring of vacuum assisted resin transfer moulding (VARTM) process with superimposed Fiber-Bragg-gratings

S. Triollet; L. Robert; E. Marin; Y. Ouerdane

doi:10.1117/12.884855

18 May 2011 Monitoring of vacuum assisted resin transfer moulding (VARTM) process with superimposed Fiber-Bragg-gratings

S. Triollet, L. Robert, E. Marin, Y. Ouerdane

Author Affiliations +

Proceedings Volume 7753, 21st International Conference on Optical Fiber Sensors; 77538W (2011) https://doi.org/10.1117/12.884855
Event: 21st International Conference on Optical Fibre Sensors (OFS21), 2011, Ottawa, Canada

Abstract

We report the instrumentation of a manufacturing composite process using an optical fiber sensor based on Bragg gratings. The sensor is made of superimposed Long Period (LPG) and short period (FBG) Bragg gratings written in the same fiber section. The monitoring of the process needs simultaneous measurements of temperature and strain. It has been shown that these two solicitations can be determined and discriminated with a superimposed FBG/LPG sensor [1]. In this paper we present the device based on the dual superimposed gratings. The sensor is embedded in a composite specimen manufactured by Vacuum Assisted Resin Transfer Moulding (VARTM) process for monitoring purpose.

Citation Download Citation

S. Triollet, L. Robert, E. Marin, and Y. Ouerdane "Monitoring of vacuum assisted resin transfer moulding (VARTM) process with superimposed Fiber-Bragg-gratings", Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77538W (18 May 2011); https://doi.org/10.1117/12.884855

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