Thermal Properties of Stabilized Zirconia at Low Temperatures
Open Access
- 1 January 1985
- journal article
- research article
- Published by CSIRO Publishing in Australian Journal of Physics
- Vol. 38 (4) , 617-622
- https://doi.org/10.1071/ph850617
Abstract
The linear thermal expansion coefficient a from 2 to 100 K and heat capacity per gram cp from 0�3 to 30 K are reported for fully-stabilized zirconia containing a nominal 16 wt.% (9 mol.%) of yttria. The heat capacity below 7 K has been analysed into a linear (tunnelling?) term, a Schottky term centred at 1�2 K, a Debye term (e~ = 540 K), and a small T5 contribution. The expansion coefficient is roughly proportional to T from 5 to 20 K and gives a limiting lattice Griineisen parameter 'Yo ::::: 5, which agrees with that calculated from elastic data.Keywords
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