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Young's modulus and secondary mechanical dispersions in polypromellitimide

✍ Scribed by Enzo Butta; Silvano De Petris; Mario Pasquini


Publisher
John Wiley and Sons
Year
1969
Tongue
English
Weight
434 KB
Volume
13
Category
Article
ISSN
0021-8995

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πŸ“œ SIMILAR VOLUMES


Sound velocity and young's modulus in po
✍ Davidse, P. D. ;Waterman, H. I. ;Westerdijk, J. B. πŸ“‚ Article πŸ“… 1962 πŸ› John Wiley and Sons βš– 500 KB

## 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

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The mechanical loss (Q-l) and Young's modulus (E) were measured as a function of temperature in the range 100 K<T<450 K on rectangular plate specimens of BaTi03 driven electrostatically in flexural vibration mode at resonance frequencies between 2-4 kHz. Q-I(T) and E(T) curves show the following thr