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|Title:||Fibre Bragg grating sensors for in-situ measurement of resin pressure in curing composites||Authors:||Ganapathi, A. S.
Joshi, Sunil Chandrakant
Asundi, Anand Krishna
Tjin, Swee Chuan
|Issue Date:||2015||Source:||Ganapathi, A. S., Maheshwari, M., Joshi, S. C., Chen, Z., Asundi, A., & Tjin, S. C. (2015). Fibre Bragg grating sensors for in-situ measurement of resin pressure in curing composites. Proceedings of SPIE - International Conference on Experimental Mechanics 2014, 9302, 93021T-. doi:10.1117/12.2084783||Abstract:||A fibre optic sensor was developed for in-situ pressure measurement based on the principle of differential pressure in liquids. This sensor system is very simple and consists of fibre Bragg grating (FBG) done on a fibre with core diameter of 9 μm. A calibration study was carried out with a water column and the pressure sensitivity was found to be 1.636 × 10-2MPa-1. The results show that response of FBG to the rise of water level is linear and agrees well with the theoretical results. The reliability of the sensors is confirmed by repeating the measurements for three times. The sensor is useful in applications that involve in-situ resin pressure measurement in manufacturing of laminated composite materials.||URI:||https://hdl.handle.net/10356/88741
|DOI:||10.1117/12.2084783||Rights:||© 2015 Society of Photo-optical Instrumentation Engineers (SPIE). This paper was published in Proceedings of SPIE - International Conference on Experimental Mechanics 2014 and is made available as an electronic reprint (preprint) with permission of Society of Photo-optical Instrumentation Engineers (SPIE). The published version is available at: [http://dx.doi.org/10.1117/12.2084783]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.||Fulltext Permission:||open||Fulltext Availability:||With Fulltext|
|Appears in Collections:||MAE Conference Papers|
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