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07:58 Jun-27-2006

Massimiliano Pau

Teacher, -
Univ. of Cagliari, Dept. of Mechanical Engineering,
Joined Sep 2002
Acoustic impedance of SBR rubber

Dear colleagues

does anyone knows the acoustic impedance value of the styrene-butadiene rubber (SBR)? Or, more simply, do you know if someone performed ultrasonic tests on tyre treads?

Best regards

Massimiliano Pau

00:26 Jun-27-2006

Tom Nelligan

Joined Nov 1998
Re: Acoustic impedance of SBR rubber The Panametrics-NDT group at Olympus NDT has a lot of experience with ultrasonic testing of rubber tires. Most of our customers have been interested in measuring thickness of rubber over reinforcing plies, but we have also done through transmission flaw detection to find tread separation. We have an application note on the subject on our web site. What exactly do you need to do?

The acoustic impedance of butyl rubber is approximately 2 MRayl.


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