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International Journal of Thermophysics

, Volume 33, Issue 10–11, pp 1982–1988 | Cite as

Non-destructive Testing of Forged Metallic Materials by Active Infrared Thermography

  • S. Maillard
  • J. Cadith
  • P. Bouteille
  • G. Legros
  • J. L. Bodnar
  • V. Detalle
Article

Abstract

Nowadays, infrared thermography is considered as the reference method in many applications such as safety, the inspection of electric installations, or the inspection of buildings’ heat insulation. In recent years, the evolution of both material and data-processing tools also allows the development of thermography as a real non-destructive testing method. Thus, by subjecting the element to be inspected to an external excitation and by analyzing the propagation of heat in the examined zone, it is possible to highlight surface or subsurface defects such as cracks, delaminations, or corrosion. One speaks then about active infrared thermography. In this study, some results obtained during the collective studies carried out by CETIM and the University of Reims for the forging industry are presented. Various experimental possibilities offered by active thermography are presented and the interest in this method in comparison with the traditional non-destructive testing methods (penetrant testing and magnetic particle inspection) is discussed. For example, comparative results on a forged cracked hub, a steering joint, and a threaded rod are presented. They highlight the interest of infrared thermography stimulated by induction for forged parts.

Keywords

Active infrared thermography Cracks Defect detection Forged metallic sample Industrial sample Magnetic particle inspection Non-destructive testing Penetrant testing Photothermal radiometry 

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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  • S. Maillard
    • 1
  • J. Cadith
    • 1
  • P. Bouteille
    • 1
  • G. Legros
    • 1
  • J. L. Bodnar
    • 2
  • V. Detalle
    • 3
  1. 1.NDT DivisionCETIMSenlisFrance
  2. 2.UFR Sciences Exactes et NaturellesGRESPIReims Cedex 2France
  3. 3.LRMH—Laboratoire de Recherche des Monuments HistoriquesChamps sur MarneFrance

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