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Title: Water-Based Couplants for General Purpose Use for Ultrasonic NDT Applications
Authors: Bindal, V N
Issue Date: Nov-2000
Publisher: NISCAIR-CSIR, India
Abstract: A study on the newly developed couplant liquid and gel suitable for ultrasonic NDT inspection is reported. Results of the measurements of various physical parameters like viscosity, density, ultrasonic velocity, etc. which have direct influence on acoustic coupling, are reported. With the help of the measured ultrasonic velocity and the acoustic impedance of the newly developed couplants, the results have been discussed alongwith theoretical considerations. It is indicated that the newly developed couplants have better transmission coefficient and give 3 dB better coupling, as compared to the conventionally used liquids. These couplants offer many other advantages and have potential applications in industry.
Page(s): 935-939
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Appears in Collections:JSIR Vol.59(11) [November 2000]

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