Thermodynamic studies of the a ? phase transformation in zirconium using a subsecond pulse heating technique
- 1 January 1975
- journal article
- Published by National Institute of Standards and Technology (NIST) in Journal of Research of the National Bureau of Standards Section A: Physics and Chemistry
- Vol. 79A (1) , 81-84
- https://doi.org/10.6028/jres.079a.004
Abstract
Measurements of the temperature and energy of the α → β phase transformation, and the electrical resistivity near and at the transformation point of zirconium using a subsecond duration pulse heating technique are described. The results yield 1147 K for the transformation temperature and 3980 J · mol-1 for the transformation energy. Electrical resistivity is found to decrease by 17 percent during the transformation. Estimated inaccuracies of the measured properties are: 10 K for the transformation temperature, 5 percent for the transformation energy, and 2 percent for the electrical resistivity.Keywords
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