The study of internal structure of woven glass and carbon fiber reinforced composite materials with embedded fiber-optic sensors

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Published Nov 27, 2019
DOI https://doi.org/10.3221/IGF-ESIS.51.18

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Grigorii Serovaev
Perm National Research Polytechnic University, Department of Applied Mathematics and Mechanics, 29 Komsomolsky prospekt, Perm, 614990, Russia
https://orcid.org/0000-0003-0312-8088 Natalia Kosheleva
Institute of Continuous Media Mechanics UB RAS
https://orcid.org/0000-0002-8760-2957

Abstract

In this work, samples from composite materials with embedded optical fibers are investigated. It is known that for unidirectional layered composite materials, under certain conditions, a distortion of the internal structure and the formation of such technological defect as resin pocket in the region of the embedded optical fiber occur. So it is important to evaluate the change in the internal structure for other types of reinforcement, in particular, woven reinforcement. Analysis of the internal structure of the studied materials with 2´2 twill weave style was carried out using a digital microscope. In addition, the reflected optical signal from the Bragg gratings after being embedded into the composite material is analyzed.

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    Issue
    Vol. 14 No. 51 (2020): January 2020
    Section
    SI: IGF25 – International Conference 2019

    How to Cite

    Serovaev, G., & Kosheleva, N. (2019). The study of internal structure of woven glass and carbon fiber reinforced composite materials with embedded fiber-optic sensors. Frattura Ed Integrità Strutturale, 14(51), 225–235. https://doi.org/10.3221/IGF-ESIS.51.18

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