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Infrared Thermography for the Detection of Changes in Brown Adipose Tissue Activity
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Recent Advances in Active Infrared Thermography for Non-Destructive Testing of Aerospace Components.

Francesco Ciampa1, Pooya Mahmoodi2, Fulvio Pinto3

  • 1Materials and Structures Centre (MAST), Department of Mechanical Engineering, University of Bath, Bath BA2 7AY, UK. f.ciampa@bath.ac.uk.

Sensors (Basel, Switzerland)
|February 22, 2018
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Summary

Active infrared thermography offers advanced non-destructive evaluation for aerospace, utilizing various methods like optical, ultrasonic, eddy current, and microwave stimulation to detect damage in aircraft and spacecraft components effectively.

Keywords:
aerospace structurescomposite materialsinfrared thermographymaterial damagenon-destructive evaluationsmart materials

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Area of Science:

  • Aerospace Engineering
  • Materials Science
  • Non-Destructive Testing

Background:

  • Active infrared thermography is crucial for non-destructive evaluation in the aerospace industry.
  • Inspection of aircraft, helicopters, aero-engines, and spacecraft components relies on accurate defect detection.

Purpose of the Study:

  • To provide a comprehensive review of recent active thermographic methods for aerospace applications.
  • To analyze the physical principles, thermal excitation sources, strengths, and limitations of various thermographic techniques.

Main Methods:

  • Review of traditional optically stimulated thermography (flashes, heaters, lasers).
  • Investigation of novel hybrid techniques: ultrasonic stimulated thermography, eddy current stimulated thermography, and microwave thermography.
  • Examination of material-based thermography methods utilizing internal heating.

Main Results:

  • Optical, ultrasonic, eddy current, and microwave thermography demonstrate effectiveness in detecting various damage scenarios in aerospace components.
  • Material-based methods offer fast, low-power, accurate, and reliable damage assessment in composites.
  • Analysis identifies specific strengths and limitations for each technique.

Conclusions:

  • Active infrared thermography encompasses a range of powerful techniques for aerospace non-destructive evaluation.
  • Hybrid and material-based methods present promising advancements for enhanced sensitivity and reliability in damage detection.
  • The choice of technique depends on the specific damage scenario and aerospace component being inspected.