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ULTRASONIC VELOCITY MEASUREMENTS OF Au-W COMPOSITES

 

作者: D.K. MAK,   R.B. STEINFL,  

 

期刊: Nondestructive Testing and Evaluation  （Taylor Available online 1989）
卷期: Volume 5, issue 1  

页码: 39-48

 

ISSN:1058-9759

 

年代: 1989

 

DOI:10.1080/02780898908952953

 

出版商: Taylor & Francis Group

 

关键词: Au-W composites;ultrasonic velocity;porosity;dispersion effects;ultrasonic scattering

 

数据来源: Taylor

 

摘要:

Longitudinal and shear wave velocities were measured in gold-tungsten composites, of varying tungsten concentration. Different methods, including echo-overlap and cross-correlation were employed. Simple theoretical models were used to calculate the velocities. The calculated values agree reasonably with the experimental data. It would seem possible to determine the concentration of tungsten powder in gold bars by measuring the ultrasonic velocities

 

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