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Sound velocity in polyethylene at ultrasonic frequencies

✍ Scribed by Levene, A. ;Pullen, W. J. ;Roberts, J.


Publisher
Wiley (John Wiley & Sons)
Year
1965
Tongue
English
Weight
29 KB
Volume
3
Category
Article
ISSN
0449-2951

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## Abstract The sound velocity was measured in bars for a number of low‐ and high‐density polyethylene samples. The longitudinal oscillations in the bar were generated electrodynamically. It was observed that the sound velocity decreased somewhat with length. Therefore all sound velocity measuremen