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

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 language	English
Pages (from-to)	167-173
Number of pages	7
Journal	Composites Part B: Engineering
Volume	165
DOIs	https://doi.org/10.1016/j.compositesb.2018.11.124
Publication status	Published - 15 May 2019

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

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10.1016/j.compositesb.2018.11.124

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Umar, M. Z., Vavilov, V., Abdullah, H., & Ariffin, A. K. (2019). 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. Composites Part B: Engineering, 165, 167-173. https://doi.org/10.1016/j.compositesb.2018.11.124

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