Fiber Bragg Grating Bonding Characterization under Long-Period Cyclic Loading

The Smart Landing Gear system to be developed in the framework of the ANGELA project provides the strain measurements on landing gear structure at landings, and this system should be maintained efficiently under operational conditions. It is intended to assess the relevance of Fiber Bragg Gratings f...

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Main Authors: Angela Brindisi, Cristian Vendittozzi, Costanzo Bellini, Vittorio Di Cocco, Lidia Travascio, Luigi Di Palma, Marika Belardo, Antonio Concilio
Format: Article
Language:English
Published: MDPI AG 2023-08-01
Series:Photonics
Subjects:
Online Access:https://www.mdpi.com/2304-6732/10/8/906
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author Angela Brindisi
Cristian Vendittozzi
Costanzo Bellini
Vittorio Di Cocco
Lidia Travascio
Luigi Di Palma
Marika Belardo
Antonio Concilio
author_facet Angela Brindisi
Cristian Vendittozzi
Costanzo Bellini
Vittorio Di Cocco
Lidia Travascio
Luigi Di Palma
Marika Belardo
Antonio Concilio
author_sort Angela Brindisi
collection DOAJ
description The Smart Landing Gear system to be developed in the framework of the ANGELA project provides the strain measurements on landing gear structure at landings, and this system should be maintained efficiently under operational conditions. It is intended to assess the relevance of Fiber Bragg Gratings for in-flight testing. To assess the capabilities of the FBG bonding and to analyze the strain transmission conditions from the host structure to the FBG through the bonding layer during the operational phases of landing gears, a long-period cyclic loading test campaign on the bonding layer itself was performed. The primary objective of this fatigue-like test was to prove the ability of FBG sensors to withstand the operational life-cycle of landing gear while providing the same strain transfer function throughout the entire cycle; the secondary objective was to select the most suitable fiber-coating and bonding agents for this application. This document describes the execution and results of the fatigue-like test, intended as a preparatory test campaign to support the preliminary design activities of the Smart Landing System.
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spelling doaj.art-87616a84975c4e9aacd543da6bce41c72023-11-19T02:39:32ZengMDPI AGPhotonics2304-67322023-08-0110890610.3390/photonics10080906Fiber Bragg Grating Bonding Characterization under Long-Period Cyclic LoadingAngela Brindisi0Cristian Vendittozzi1Costanzo Bellini2Vittorio Di Cocco3Lidia Travascio4Luigi Di Palma5Marika Belardo6Antonio Concilio7Department of Adaptive Structures, CIRA (The Italian Aerospace Research Centre), 81043 Capua, ItalyCampus FGA-UnB, Universidade de Brasília, Brasília 72444-240, DF, BrazilDepartment of Civil and Mechanical Engineering, University of Cassino and Southern Lazio, 03043 Cassino, ItalyDepartment of Civil and Mechanical Engineering, University of Cassino and Southern Lazio, 03043 Cassino, ItalyDepartment of Reliability and Safety of Systems and Infrastructure, CIRA (The Italian Aerospace Research Centre), 81043 Capua, ItalyDepartment of Airframe Design and Dynamics, CIRA (The Italian Aerospace Research Centre), 81043 Capua, ItalyDepartment of Airframe Design and Dynamics, CIRA (The Italian Aerospace Research Centre), 81043 Capua, ItalyDepartment of Adaptive Structures, CIRA (The Italian Aerospace Research Centre), 81043 Capua, ItalyThe Smart Landing Gear system to be developed in the framework of the ANGELA project provides the strain measurements on landing gear structure at landings, and this system should be maintained efficiently under operational conditions. It is intended to assess the relevance of Fiber Bragg Gratings for in-flight testing. To assess the capabilities of the FBG bonding and to analyze the strain transmission conditions from the host structure to the FBG through the bonding layer during the operational phases of landing gears, a long-period cyclic loading test campaign on the bonding layer itself was performed. The primary objective of this fatigue-like test was to prove the ability of FBG sensors to withstand the operational life-cycle of landing gear while providing the same strain transfer function throughout the entire cycle; the secondary objective was to select the most suitable fiber-coating and bonding agents for this application. This document describes the execution and results of the fatigue-like test, intended as a preparatory test campaign to support the preliminary design activities of the Smart Landing System.https://www.mdpi.com/2304-6732/10/8/906landing gearfiber optic sensorsFiber Bragg Gratingssmart devicesstructural health monitoringfatigue-like test
spellingShingle Angela Brindisi
Cristian Vendittozzi
Costanzo Bellini
Vittorio Di Cocco
Lidia Travascio
Luigi Di Palma
Marika Belardo
Antonio Concilio
Fiber Bragg Grating Bonding Characterization under Long-Period Cyclic Loading
Photonics
landing gear
fiber optic sensors
Fiber Bragg Gratings
smart devices
structural health monitoring
fatigue-like test
title Fiber Bragg Grating Bonding Characterization under Long-Period Cyclic Loading
title_full Fiber Bragg Grating Bonding Characterization under Long-Period Cyclic Loading
title_fullStr Fiber Bragg Grating Bonding Characterization under Long-Period Cyclic Loading
title_full_unstemmed Fiber Bragg Grating Bonding Characterization under Long-Period Cyclic Loading
title_short Fiber Bragg Grating Bonding Characterization under Long-Period Cyclic Loading
title_sort fiber bragg grating bonding characterization under long period cyclic loading
topic landing gear
fiber optic sensors
Fiber Bragg Gratings
smart devices
structural health monitoring
fatigue-like test
url https://www.mdpi.com/2304-6732/10/8/906
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AT vittoriodicocco fiberbragggratingbondingcharacterizationunderlongperiodcyclicloading
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