Free Vibrating Reed Apparatus for the Measurement of Internal Friction and Young's Modulus down to 4 K
- 1 September 1970
- journal article
- research article
- Published by AIP Publishing in Review of Scientific Instruments
- Vol. 41 (9) , 1342-1344
- https://doi.org/10.1063/1.1684813
Abstract
This paper describes in detail a freely vibrating reed apparatus which we have developed to study these low temperature dynamic mechanical properties of polymers (at approximately 5 cps). The apparatus is capable of measuring these properties from 4 up to 340 K. This method has the advantage over other methods of being relatively easy to set up and may be modified so more than one specimen can be investigated in a given temperature run. In addition measurements on the logarithmic decrement and Young's modulus of polystyrene are presented and compared with previous data.Keywords
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