Non contact inspection of the fatigue damage state of carbon fiber reinforced polymer by optical surface roughness measurements

Zuluaga Ramírez, Pablo and Frövel, Malte and Belenguer, Tomás and Salazar Bloise, Félix José (2015). Non contact inspection of the fatigue damage state of carbon fiber reinforced polymer by optical surface roughness measurements. "Ndt & e International", v. 70 ; pp. 22-28. ISSN 0963-8695. https://doi.org/10.1016/j.ndteint.2014.12.003.

Description

Title: Non contact inspection of the fatigue damage state of carbon fiber reinforced polymer by optical surface roughness measurements
Author/s:
  • Zuluaga Ramírez, Pablo
  • Frövel, Malte
  • Belenguer, Tomás
  • Salazar Bloise, Félix José
Item Type: Article
Título de Revista/Publicación: Ndt & e International
Date: March 2015
ISSN: 0963-8695
Volume: 70
Subjects:
Faculty: E.T.S.I. Minas (UPM)
Department: Física Aplicada [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

This work presents the evaluation of a new non-contact technique to assess the fatigue damage state of CFRP structures by measuring surface roughness parameters. Surface roughness and stiffness degradation have been measured in CFRP coupons cycled with constant amplitude loads, and a Pearson?s correlation of 0.79 was obtained between both variables. Results suggest that changes on the surface roughness measured in strategic zones of components made of the evaluated CFRP, could be indicative of the level of damage due to fatigue loads. This methodology could be useful for other FRP due to similarities in the fatigue damage process.

More information

Item ID: 40826
DC Identifier: http://oa.upm.es/40826/
OAI Identifier: oai:oa.upm.es:40826
DOI: 10.1016/j.ndteint.2014.12.003
Official URL: http://www.sciencedirect.com/science/article/pii/S0963869514001431
Deposited by: Memoria Investigacion
Deposited on: 24 Jun 2016 09:04
Last Modified: 24 Jun 2016 09:04
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