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ASM Handbook

Nondestructive Evaluation of Materials

Edited by
Aquil Ahmad
Aquil Ahmad
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Leonard J. Bond
Leonard J. Bond
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ASM International
Volume
17
ISBN electronic:
978-1-62708-190-0
Publication date:
2018
Book Chapter

Vibrothermography

By
Stephen D. Holland
Stephen D. Holland
Iowa State University
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Published:
2018
Page range:
139 - 142
Publication history
August 21, 2018

Abstract

Vibrothermography, also known as sonic thermography, sonic infrared (IR), thermosonics, and vibroacoustic thermography, is a nondestructive evaluation (NDE) technique for finding cracks and delaminations through vibration-induced heating. This article describes the four parts of the vibrothermography process: vibration of the specimen by a transducer; conversion of vibrational energy into heat by a crack, delamination, and other contacting surfaces; conduction of the heat to an external surface; and infrared detection of the heat with a thermal camera.

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Stephen D. Holland, 2018. "Vibrothermography", Nondestructive Evaluation of Materials, Aquil Ahmad, Leonard J. Bond

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