Observatorio de I+D+i UPM

Memorias de investigación
Research Publications in journals:
Free-edge delamination location and growth montoring with an embedded distributed fiber optic network
Year:2016
Research Areas
  • Aircraft materials application
Information
Abstract
Delamination is the most characteris tic damage found in composite materials. Low velocity impacts may lead to delamination onset, likely to occur during manufacturing process es or in operating service life. Furthermore, areas near the free-edge of the structures, as well as ply drop off and integrated reinforcements have demonstrate a high vulnerability to impacts. This paper focuses on the delamination detection based on an embedded or fixed fiber optic network in a composite laminate. The sensor network uses the Rayleigh scatter ing through an Optical Backscatter Reflectometer (OBR) that it obtains a conti nuous strain monitoring on a bare opical fiber. For this purpose, several optical fibers were a ttached on the structure surface close to the free edge of the specimens in order to identify the first-ply failure and the delamination growth. Experimental results were compared to an ultrasonic C-Scan inspection which present a good agreement with the data of sensor network.
International
Si
JCR
No
Title
NDT.net (revista electrónica)
ISBN
978-1-5108-2793-6
Impact factor JCR
Impact info
Volume
Journal number
From page
1
To page
9
Month
SIN MES
Ranking
Participants
  • Autor: Antonio Fernandez Lopez (UPM)
Research Group, Departaments and Institutes related
  • Creador: Centro o Instituto I+D+i: Instituto Universitario de Microgravedad "Ignacio da Riva"
  • Departamento: Materiales y Producción Aeroespacial
S2i 2020 Observatorio de investigación @ UPM con la colaboración del Consejo Social UPM
Cofinanciación del MINECO en el marco del Programa INNCIDE 2011 (OTR-2011-0236)
Cofinanciación del MINECO en el marco del Programa INNPACTO (IPT-020000-2010-22)