10.14489/td.2018.11.pp.026-031

2018, 11 November

DOI: 10.14489/td.2018.11.pp.026-031

Fedotov M. Yu., Budadin O. N., Vasil’ev S. A., Medvedkov O. I., Kozelskaya S. O.
RESEARCH OF THE INTEGRATED FIBER-OPTIC SYSTEM FOR DIAGNOSTICS OF CARBON FIBER REINFORCED PLASTIC AFTER EXPOSURE TO THERMAL AND HEAT-HUMIDITY AGING
(pp. 26-31)

Abstract. This article describes results of experimental researches on the effect of thermal and heat-humidity aging of CFRP on the integrated diagnostic system based on fiber optical sensors. It is shown that the fiber optical sensors based on fiber Bragg gratings (FBG) integrated into the samples from the CFRP during the assembly phase of the prepreg package have completely retained their working capacity. It has been established that exposure to elevated temperature and humidity in longterm operation of PCM structures is not a limiting factor for the use of an integrated diagnostic system based on FBG. It is shown that the dispersion of the optical characteristics of the FBG in the composition of CFRP samples is minimal, which is an indicator of the high stability of the FBG and the feasibility of introducing fiberoptic integrated control systems for diagnostics of highly loaded and highly responsible structures from PCM in the process of operation.

Keywords: carbon fiber reinforced plastic, fiber optic sensor, fiber Bragg grating, optical characteristics, thermal and heat-humidity aging.

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M. Yu. Fedotov (LIRA soft, LLC, Moscow, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.
O. N. Budadin (Central Research Institute for Special Machinery, Joint Stock Company, Khotkovo, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.
S. A. Vasil’ev, O. I. Medvedkov (Fiber Optics Research Center of the Russian Academy of Sciences (FORC RAS), Moscow, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра. , Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.
S. O. Kozelskaya (Central Research Institute for Special Machinery, Joint Stock Company, Khotkovo, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.

+ - References Click to collapse

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