Paper Title:
Lock-in Infrared Thermography for the Non-Destructive Testing of Fatigue Specimen with Defects
  Abstract

Lock-in infrared thermography method was gradually being used in fatigue studies because of its advantages such as real-time, quick-reaction, non-contact, non-destructive and so on. In this paper, non-destructive testing was applied to fatigue specimen with defects, based on lock-in infrared thermography. In parallel, the result was analyzed by using lock-in infrared thermography system developed by Cedip in French. The results show that more information of internal detects can be found from phase image than that from amplitude image. The experiment procedure indicated that a proper testing frequency was the key to the non-destructive testing. The data revealed that deeper depth and larger area of defect led to a precise testing result.

  Info
Periodical
Edited by
Ran Chen
Pages
576-580
DOI
10.4028/www.scientific.net/AMM.44-47.576
Citation
Y. G. Zhao, X. L. Guo, M. F. Ren, "Lock-in Infrared Thermography for the Non-Destructive Testing of Fatigue Specimen with Defects", Applied Mechanics and Materials, Vols. 44-47, pp. 576-580, 2011
Online since
December 2010
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