Measurement of the Thickness of Metal Plate by Ultrasonic Harmonic Method. III : On the Resonance of Lower Harmonic Order
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概要
- 論文の詳細を見る
When the harmonic order of the thickness resonance is extremely low as fundamental or second, it is distinctly seen that the apparent velocity of sound computed from the ordinary relation for the resonance tends to increase somewhat. In this paper, an interpretation applicable to the resonance of such a lower order is given by introducing the phase shift of sound wave reflected internally within the metal plate, referring to the results experimentally obtained.
- 東北大学の論文
著者
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Tanaka Sakae
The Research Institute For Scientific Measurements
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YAMADA Shigeru
The Research Institute for Scientific Measurements
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