AUTOMATIC ACOUSTIC MEASUREMENT SYSTEM BY MECHANICAL RESONANCE OF CONTINUOUS SOUND-WAVES

被引：8

作者：

FUKAMI, T

机构：

[1] Department of Physics, Kyushu University, Fukuoka

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1990年 / 29卷 / 01期

关键词：

Mechanical resonance; Oxide superconductor; Sound velocity;

D O I：

10.1143/JJAP.29.206

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Using the mechanical resonance of continuous sound waves with frequency higher than 5 MHz, an automatic measurement system is set up for simultaneous measurements of sound velocity and attenuation coefficient in thin disk samples. It is confirmed that the change of sound velocity Δυs/υ0, can be measured automatically with relative accuracy within 10-5with changing temperatures at rates from 60 k/h to 3 k/h. © 1990 IOP Publishing Ltd.

引用

页码：206 / 207

页数：2

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