Thermodynamics of the Al(3)Ni phase and revision of the Al-Ni system

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F11%3A10106790" target="_blank" >RIV/00216208:11320/11:10106790 - isvavai.cz</a>
Result on the web
<a href="http://www.sciencedirect.com/science/article/pii/S0040603110003709" target="_blank" >http://www.sciencedirect.com/science/article/pii/S0040603110003709</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.tca.2010.10.005" target="_blank" >10.1016/j.tca.2010.10.005</a>

Result language
angličtina
Original language name
Thermodynamics of the Al(3)Ni phase and revision of the Al-Ni system
Original language description
The heat capacity of the Al(3)Ni phase had been measured for the first time, by means of relaxation method over the low temperature range 2-323 K and by measuring heat content increments using drop calorimetry over the higher temperature range of 583-1073 K. The Debye function was employed to fit the low-temperature heat capacities, and from the function, the absolute entropy was evaluated, S degrees(298) = 25.4 J/mol-atoms K. A three-term polynomial representation, a + b.T + c.T(-2), was used for describing heat capacity above 298.15 K. The Gibbs energy function of the Al(3)Ni phase was derived with a fixed reference state by incorporating the polynomial expression of the heat capacity, the recently reported enthalpy of formation and the related phaseequilibria in the Al-Ni system. A revised thermodynamic description of the entire Al-Ni system together with the calculated phase diagram is also presented.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BM - Solid-state physics and magnetism
OECD FORD branch
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Publication year
2011
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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