Paper Title:
Infrared Thermal Wave Quantitative Evaluation for Fiber Reinforced Composites
  Abstract

Infrared thermal wave testing is a non-contact inspection technique that maps the surface temperature of an object after some energy is applied to it. The mechanism of pulsed infrared thermal wave testing was analyzed in detail. Glass fiber reinforced composite was tested by infrared thermal wave testing. Some intensive research on quantitative defect evaluation was developed. Through analysis of the temperature-time curve of two points over a suspected defective location and over a sound area on material surface, the change rule of temperature difference was found. It provided a basis for depth quantitative evaluation. According to the peculiarity of infrared image, an image enhancement approach based on mathematical morphology was adopted, which solve the problem of poor contrast and low signal-to-noise ratio caused by pulse heating. And an image processing program was developed to extract the size information of defects.

  Info
Periodical
Edited by
Enhou Han, Guanghong Lu and Xiaolin Shu
Pages
377-384
DOI
10.4028/www.scientific.net/MSF.689.377
Citation
X. X. Li, N. M. Wu, S. B. Zhao, D. P. Chen, N. Cai, "Infrared Thermal Wave Quantitative Evaluation for Fiber Reinforced Composites", Materials Science Forum, Vol. 689, pp. 377-384, 2011
Online since
June 2011
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$32.00
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