|
|
|
| Experimental Research of Push-echo and Hydrophone Methods for Measurement of Sound Field of Ultrasonic Transducers |
| HAN Ming-sheng1,YANG Ping2 |
1. College of Information Science & Technology, Beijing University of Chemical Technology, Beijing 100029, China;
2. National Institute of Metrology, Beijing 100029, China |
|
|
|
|
Abstract When the frequency range of ultrasonic transducers is less 10MHz, experimental researches, used the pulse-echo and hydrophone methods introduced in the ASTM E1065, has compared the consistency of two methods for measurement of sound field parameters of the plane ultrasonic transducers and the focused transducers. Used the reasonable diameters of the small balls, the experiments show well consistency of pulse-echo and hydrophone methods for measurement of sound field parameters of ultrasonic transducers, but the hydrophone method is a method of measurement traceability in evaluation and calibration of ultrasonic transducers.
|
|
|
|
|
|
［1］国家机械工业局.JB/T 10062-1999 超声探伤用探头性能测试方法［S］.1999.
［2］国家质量监督检疫检疫总局.GB/T 18694-2002 超声检验探头及其声场表征［S］.2002.
［3］ASTM.ASTM E1065-08 Standard Guide for Evaluating Characteristics of Ultrasonic Search Units［S］.2008.
［4］BS. BS EN12668-2:2010 Non-destructive testing—Characterization and verification of ultrasonic examination equipment［S］.2010.
［5］Lucas B G, Muir T G. The field of a focusing source［J］.J Acoust Soc Am, 1982, 72(4):1289-1296.
［6］Xucai Chen, Schwarz K Q, Parker K J. Radiation pattern of a focused transducer: A numerically convergent solution［J］.J Acoust Soc Am, 1993, 95(5):2979-2991.
［7］IEC. IEC 62127-3 Ultrasonics-hydrophone-Part3: Properties of hydrophones for ultrasonic fields up to 40 MHz［S］.2007.
［8］Zeqiri B, Hodnett M, Smith R A, et al. An assessment of pulse-echo and hydrophone methods for characterising ultrasonic NDT transducers［J］. Insight-Non-Destructive Testing and Condition Monitoring, 1998, 40(1): 20-27.
［9］Zeqiri B, Hodnett M. Standardisation of procedures for ultrasonic inspection of polymer matrix composites: transducer characterisation and materials evaluation［R］. NPL Report CMAM 9, 1997. |
|
|
|
2015, Vol. 36 
