Direct measurement of temperature in shock-loaded polymethylmethacrylate with very thin copper thermistors
- 1 October 1984
- journal article
- research article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 56 (7) , 1921-1926
- https://doi.org/10.1063/1.334236
Abstract
We present direct measurements of the temperature of shock-loaded polymethylmethacrylate (PMMA) in the 0.5 – 3.0-GPa range. The experimental technique is based on embedding a very thin (1 μm thick or less) copper thermistor in the shocked sample and recording its resistance changes during the 5–8 μs of a dynamic experiment. Due to the small thickness of the gauge thermal equilibrium between gauge and specimen can be reached in these short times. The measured temperatures of shock-loaded PMMA are in good agreement with the calculated values. Moreover, the measured temperature-time histories confirm the viscoelastic behavior of PMMA, shock loaded in the 0–2.0 GPa, which was found by others using particle velocity measurements.This publication has 11 references indexed in Scilit:
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