Damage detection in composites using nonlinear ultrasonically modulated thermography

G. P. Malfense Fierro, D. Dionysopoulos, M. Meo, F. Ciampa

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper proposes a novel nonlinear ultrasonically stimulated thermography technique for a quick and reliable assessment of material damage in carbon fibre reinforced plastic (CFRP) composite materials. The proposed nondestructive evaluation (NDE) method requires narrow sweep ultrasonic excitation using contact piezoelectric transducers in order to identify dual excitation frequencies associated with the damage resonance. High-amplitude signals and higher harmonic generation are necessary conditions for an accurate identification of these two input frequencies. Dual periodic excitation using high- and low-frequency input signals was then performed in order to generate frictional heating at the crack location that was measured by an infrared (IR) camera. To validate this concept, an impact damaged CFRP composite panel was tested and the experimental results were compared with traditional flash thermography. A laser vibrometer was used to investigate the response of the material with dual frequency excitation. The proposed nonlinear ultrasonically modulated thermography successfully detected barely visible impact damage in CFRP composites. Hence, it can be considered as an alternative to traditional flash thermography and thermosonics by allowing repeatable detection of damage in composites.

LanguageEnglish
Title of host publicationNondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XII
PublisherSPIE
Volume10599
ISBN (Electronic)9781510616943
DOIs
StatusPublished - 27 Mar 2018
EventNondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XII 2018 - Denver, USA United States
Duration: 5 Mar 20188 Mar 2018

Conference

ConferenceNondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XII 2018
CountryUSA United States
CityDenver
Period5/03/188/03/18

Fingerprint

Damage Detection
Damage detection
carbon fiber reinforced plastics
Carbon Fiber
Carbon fiber reinforced plastics
Damage
Excitation
Composite
damage
Plastics
composite materials
Composite materials
Flash
excitation
flash
impact damage
Harmonic Generation
Infrared Camera
Piezoelectric transducers
vibration meters

Keywords

  • Composites.
  • Laser Vibrometry
  • Nonlinear Ultrasounds
  • Thermography
  • Thermosonics

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

Malfense Fierro, G. P., Dionysopoulos, D., Meo, M., & Ciampa, F. (2018). Damage detection in composites using nonlinear ultrasonically modulated thermography. In Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XII (Vol. 10599). [105990K] SPIE. https://doi.org/10.1117/12.2303404

Damage detection in composites using nonlinear ultrasonically modulated thermography. / Malfense Fierro, G. P.; Dionysopoulos, D.; Meo, M.; Ciampa, F.

Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XII. Vol. 10599 SPIE, 2018. 105990K.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Malfense Fierro, GP, Dionysopoulos, D, Meo, M & Ciampa, F 2018, Damage detection in composites using nonlinear ultrasonically modulated thermography. in Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XII. vol. 10599, 105990K, SPIE, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XII 2018, Denver, USA United States, 5/03/18. https://doi.org/10.1117/12.2303404
Malfense Fierro GP, Dionysopoulos D, Meo M, Ciampa F. Damage detection in composites using nonlinear ultrasonically modulated thermography. In Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XII. Vol. 10599. SPIE. 2018. 105990K https://doi.org/10.1117/12.2303404
Malfense Fierro, G. P. ; Dionysopoulos, D. ; Meo, M. ; Ciampa, F. / Damage detection in composites using nonlinear ultrasonically modulated thermography. Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XII. Vol. 10599 SPIE, 2018.
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