ULTRASONIC WAVE-PROPAGATION IN SAP COMPACTS

被引：3
|
作者：
BRETTELL, JM
机构：
[1] Department of Physics, University of New England, Armidale
来源：
JOURNAL OF PHYSICS D-APPLIED PHYSICS | 1990年 / 23卷 / 05期
关键词：
D O I：
10.1088/0022-3727/23/5/024
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Sound velocity measurement have been made on sintered aluminium powder (SAP) compacts in the density range 1400-2400 kg m-3. The sound velocity, and hence the acoustic impedance, is noticeably reduced in the lower-density compacts suggesting they may have some application as quarter-wave acoustic couplers. © 1990 IOP Publishing Ltd.
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页码：620 / 621
页数：2
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