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Heat-stimulus correction for pulsed-infrared thermography

  • Herńan D. Benítez
  • , Clemente Ibarra-Castanedo
  • , Abdel Hakim Bendada
  • , Xavier Maldague

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The modified DAC version with thermal quadrupoles can be considered an interesting alternative to thermal contrast computations since it provides an automated tool for depth retrieval and eliminates the need of selecting a non-defective area. In practice it is important to have heat stimulus with complex shapes and long durations (several seconds) in order to cover larger inspection areas, enhance thermal contrast between defective and sound areas and increase the depth of inspection inside the material. In this work we present a heat stimulus correction by using the thermal quadrupoles theory and its validation with several heat stimulus shapes and durations.

Original languageEnglish
Title of host publicationThermosense XXXI
DOIs
StatePublished - 2009
EventThermosense XXXI - Orlando, FL, United States
Duration: 14 Apr 200915 Apr 2009

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume7299
ISSN (Print)0277-786X

Conference

ConferenceThermosense XXXI
Country/TerritoryUnited States
CityOrlando, FL
Period14/04/0915/04/09

Keywords

  • Heat stimulus correction
  • Infrared nondestructive testing
  • Reference free thermal contrast
  • Thermal quadrupoles

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