The determination of the viscoelastic properties of liquid materials at ultrasonic frequencies by CW mode impedance measurements

被引:2
|
作者
Deblock, Y [1 ]
Lefebvre, F [1 ]
Radziszewski, E [1 ]
Nongaillard, B [1 ]
机构
[1] DOAE, IEMN, F-59652 Villeneuve Dascq, France
关键词
materials characterization; networked and distributed instruments; sensors; software; testing time and frequency; transducers;
D O I
10.1109/19.744324
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A method is described for measuring shear mechanical properties of liquids at ultrasonic frequencies. The method is based on the process of the electrical impedance of a sensor in contact with the liquid, The sensor is composed of a piezoelectric transducer bonded to a delay line. The process determines the complex reflection coefficient of shear waves reflecting from the delay line-liquid interface, and the mechanical impedance is deduced. Experimental determination of dynamic shear properties of a series of saccharose solutions is presented as an example of the method.
引用
收藏
页码:680 / 685
页数:6
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