Journal of the Society of Materials Engineering for Resources of Japan
Online ISSN : 1884-6610
Print ISSN : 0919-9853
ISSN-L : 0919-9853
A Method for Correcting the Sound Velocity in Solid Using the Continuous Ultrasonic Wave
Kazuhiko IMANOMorimasa NISHIRADaisuke HAMAGITIMakoto FUKUDA
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2003 Volume 16 Issue 2 Pages 54-59

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Abstract
In a sound velocity measurement in solid, the properties of electrical source and ultrasonic transducer bonded to a solid material become the error sources. In this paper, the error sources are estimated from the simulation using transmission line model of a measurement system and their experiments. A novel method for correcting the measured values of sound velocity by a numerical fitting is suggested. The usefulness of our method is demonstrated by comparing with other methods. Sound velocity measurement with the accuracy better than 1% without regard to the electrical and mechanical effects or bonding layers effects have been successfully accomplished.
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