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

Kód výsledku v 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>

Výsledek na webu

<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>

Jazyk výsledku

angličtina

Název v původním jazyce

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

Popis výsledku v původním jazyce

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.

Název v anglickém jazyce

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

Popis výsledku anglicky

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.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

BM - Fyzika pevných látek a magnetismus

OECD FORD obor

—

Projekt

—

Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2011

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Thermochimica Acta

ISSN

0040-6031

e-ISSN

—

Svazek periodika

512

Číslo periodika v rámci svazku

1

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

7

Strana od-do

189-195

Kód UT WoS článku

000286863600030

EID výsledku v databázi Scopus

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