2017
DOI: 10.15593/2224-9982/2017.50.03
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Determination of the Stress-Strain State Fields of Samples From a Polymeric Composite Material Using Fiber Optic Sensors

Abstract: Рассматриваются результаты экспериментальных исследований по определению деформаций при неоднород-ном напряженно-деформированном состоянии и модуля упругости композиционного материала при испытаниях на рас-тяжение и сжатие с применением встроенных в материал волоконно-оптических датчиков деформаций (ВОДД) на брэг-говских решетках. Рассмотрены образцы из стеклопластика с внедренными оптоволоконными линиями в форме прямо-угольной пластины и с V-образным вырезом. В пластине с вырезами достигается градиентное поле… Show more

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Cited by 4 publications
(2 citation statements)
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“…We should note here review papers [10][11][12][13] on the integration of fiber-optic Bragg gratings into the structure of a polymer composite material. Results of a mathematical modeling and experimental studies on the functioning of fiber-optic Bragg gratings embedded in polymer composite materials for solving various problems, in particular, for diagnosing a gradient strain field in a fiberglass plate, are given in [14], and for detecting and identifying various types of damage in a segment of an aircraft-engine composite frame -in [15]. Modern technologies for the production of optical fibers make it possible to vary their properties over a wide range, satisfying the requirements depending on their application field [8].…”
Section: Introductionmentioning
confidence: 99%
“…We should note here review papers [10][11][12][13] on the integration of fiber-optic Bragg gratings into the structure of a polymer composite material. Results of a mathematical modeling and experimental studies on the functioning of fiber-optic Bragg gratings embedded in polymer composite materials for solving various problems, in particular, for diagnosing a gradient strain field in a fiberglass plate, are given in [14], and for detecting and identifying various types of damage in a segment of an aircraft-engine composite frame -in [15]. Modern technologies for the production of optical fibers make it possible to vary their properties over a wide range, satisfying the requirements depending on their application field [8].…”
Section: Introductionmentioning
confidence: 99%
“…L A need to timely reveal operational damages and technological defects requires a prompt control of states of structures and their consequent repairs aimed at service life extension [4][5][6][7][8][9][10]. The use of embedded optical fibers with Bragg gratings for the analysis of mechanical behaviour and evaluation of material damage is of interest at this time in the field of monitoring the state of structural elements made from composite materials [11][12][13][14][15][16][17]. In order to provide reliability of the monitoring system during operations of real products, it is required to develop the evaluation methods of signal's sufficiency received from fiber-optic sensors under complex loadings [18].…”
Section: Introductionmentioning
confidence: 99%