How to reveal subsurface defects in Kevlar® composite materials after an impact loading using infrared vision and optical NDT techniques?

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DOIResolve DOI: http://doi.org/10.1016/j.engfracmech.2013.02.030
AuthorSearch for: ; Search for: ; Search for: ; Search for: ; Search for: ; Search for: ; Search for: ; Search for:
TypeArticle
Journal titleEngineering Fracture Mechanics
ISSN0013-7944
Volume108
Pages195208; # of pages: 14
SubjectActive infrared thermography; Aerospace manufacturing; Detection capability; Digital speckle photography; In-service inspection; Integrated systems; Non destructive testing; Short wave infrared; Composite materials; Debonding; Defects; Holographic interferometry; Optical testing; Nondestructive examination
AbstractAn integrated system between infrared vision and optical non-destructive testing techniques can be considered a viable, robust and reliable approach for both aerospace manufacturing and in-service inspections. In this paper, infrared vision is applied in different spectral bands on two impacted panels made of aramid-phenolic composite by applying two different methods, respectively: (1) near and short-wave infrared reflectography and transmittography, and (2) mid-wave active infrared thermography. Furthermore, optical methods, namely digital speckle photography and holographic interferometry, are used as well to highlight the damages due to the impacts on the samples. Some techniques provide more straightforward detection capabilities than others for different defect types. © 2013 Elsevier Ltd.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); Aerospace (AERO-AERO)
Peer reviewedYes
NPARC number21269589
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Record identifiere3ac43a8-40af-429c-a033-1131967a1d22
Record created2013-12-13
Record modified2016-05-09
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