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Home Page of the Author: E.A. Ginzel, Materials Research Institute

ABSTRACT

Physical properties have been investigated for an new elastomer designed specifically for ultrasonic inspection applications. Unlike dry couplants normally used as an integral part of ultrasonic probes, this elastomer can be applied independently of the probe. Acoustic impedance of the new material is very nearly the same as water and its attenuation coefficient is lower than all other documented elastomers and many plastics. Applications for nondestructive testing include flexible couplant pads, low reverberation dry contact testing of thin wall material and low velocity delay lines.

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