Quantitative study of local heat sources by Ultrasonic Infrared Thermography

An approach for estimating total energy released by low energy impact damage in C/C composite

M. Z. Umar, V. Vavilov, H. Abdullah, A. K. Ariffin

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

An approach intended for the evaluation of total energy released in multi-component defects subjected to ultrasonic stimulation is described. Experimental research was conducted on carbon/carbon composite containing a 25 J impact damage defect. The test sample was ultrasonically stimulated at the frequency of 22 kHz by using a magnetostrictive device. The impact damage was modelled as a pyramid-like set of six single delaminations, and each of them represented an independent heat source. The calculated temperature response was matched to the experimental temperature profile by shape and amplitude thus allowing the evaluation of energy release within the defect.

Original languageEnglish
Pages (from-to)167-173
Number of pages7
JournalComposites Part B: Engineering
Volume165
DOIs
Publication statusPublished - 15 May 2019

Fingerprint

Ultrasonics
Defects
Magnetostrictive devices
Composite materials
Carbon carbon composites
Delamination
Temperature
Hot Temperature

Keywords

  • Carbon/carbon composite
  • Energy release
  • Impact damage
  • Ultrasonic infrared thermography

ASJC Scopus subject areas

  • Ceramics and Composites
  • Mechanics of Materials
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

Cite this

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