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Coating thickness and elastic modulus measurement using ultrasonic bulk wave resonance
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Dixon, S., Lanyon, B. and Rowlands, G. (George) (2006) Coating thickness and elastic modulus measurement using ultrasonic bulk wave resonance. Applied Physics Letters, Vol.88 (No.14). p. 141907. doi:10.1063/1.2192144 ISSN 0003-6951.
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Official URL: http://dx.doi.org/10.1063/1.2192144
Abstract
Measurement of the resonant through thickness ultrasonic modes of a homogeneous plate using a fast Fourier transform of the temporal data can be used to calculate plate thickness very accurately. We describe an extension of this principle to two-layer systems, examining a thin coating on a substrate of known properties. The resonant behavior of these systems is predicted and we explain how this approach is used to measure coating thickness and elastic modulus. Noncontact electromagnetic acoustic transducers are used for ultrasonic measurement, as they do not significantly affect the resonant response of the system, unlike alternative contact transducers.
Item Type: | Journal Article | ||||
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Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering Q Science > QC Physics |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering Faculty of Science, Engineering and Medicine > Science > Physics |
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Library of Congress Subject Headings (LCSH): | Ultrasonics, Moduli theory, Transducers, Coatings, Thickness measurement | ||||
Journal or Publication Title: | Applied Physics Letters | ||||
Publisher: | American Institute of Physics | ||||
ISSN: | 0003-6951 | ||||
Official Date: | 4 April 2006 | ||||
Dates: |
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Volume: | Vol.88 | ||||
Number: | No.14 | ||||
Page Range: | p. 141907 | ||||
DOI: | 10.1063/1.2192144 | ||||
Status: | Peer Reviewed | ||||
Access rights to Published version: | Open Access (Creative Commons) |
Data sourced from Thomson Reuters' Web of Knowledge
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