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Subsurface interfacial defects of metal materials testing using ultrasound infrared lock-in thermography

  • Qingju Tang
  • , Junyan Liu
  • , Yang Wang*
  • , Hui Liu
  • *Corresponding author for this work
  • School of Mechatronics Engineering, Harbin Institute of Technology
  • Heilongjiang University of Science and Technology

Research output: Contribution to journalConference articlepeer-review

Abstract

A novel non-destructive ultrasound infrared lock-in thermography (ULT) testing method was presented in order to detect metal specimens with subsurface contacting interfacial defects. An experimental platform was built. Experiments had been carried out to Q235 plates with different testing parameters. The testing effect of amplitude and phase images was analyzed, and the relation between amplitude difference, phase difference, signal-to-noise ratio and modulation frequency was discussed. An adaptive neuro-fuzzy inference system model was built to forecast the depth of defects.

Original languageEnglish
Pages (from-to)499-505
Number of pages7
JournalProcedia Engineering
Volume16
DOIs
StatePublished - 2011
Externally publishedYes
EventInternational Workshop on Automobile, Power and Energy Engineering, APEE 2011 - Wuhan, China
Duration: 15 Apr 201117 Apr 2011

Keywords

  • Amplitude
  • Interfacial defects
  • Modulation frequency
  • Phase
  • Ultrasound infrared lock-in thermography

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