Heat Capacity and Thermodynamic Functions of Sodium-Alloyed Lead Babbitt BNa (PbSb15Sn10Na)

The heat capacity of sodium-alloyed lead babbitt BNa (PbSb15Sn10Na) is determined experimentally, and the temperature dependences of the changes in the thermodynamic functions of this alloy are calculated. The temperature dependence of the heat capacity of babbitt BNa is studied in the cooling mode...

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Published in:Russian Journal of Physical Chemistry A 2023-04, Vol.97 (4), p.550-555
Main Authors: Ganiev, I. N., Khodzhanazarov, Kh. M., Khodzhaev, F. K., Eshov, B. B.
Format: Article
Language:English
Subjects:
Babbitt metal
Chemical Thermodynamics and Thermochemistry
Chemistry
Chemistry and Materials Science
Enthalpy
Entropy
Gibbs free energy
Mathematical analysis
Physical Chemistry
Polynomials
Sodium
Specific heat
Temperature dependence
Thermodynamics
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container_title Russian Journal of Physical Chemistry A
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creator Ganiev, I. N.
Khodzhanazarov, Kh. M.
Khodzhaev, F. K.
Eshov, B. B.
description The heat capacity of sodium-alloyed lead babbitt BNa (PbSb15Sn10Na) is determined experimentally, and the temperature dependences of the changes in the thermodynamic functions of this alloy are calculated. The temperature dependence of the heat capacity of babbitt BNa is studied in the cooling mode using the SigmaPlot 10.0 software. Polynomials are determined for the temperature dependences of the heat capacity and the changes in the thermodynamic functions (enthalpy, entropy, and Gibbs free energy) of babbitt BNa and a reference sample (S00-grade Pb), that describe these dependences with coefficient of correlation R corr = 0.999. It is shown that the heat capacity of babbitt BNa grows along with the content of sodium, its enthalpy and entropy grow along with temperature and the content of sodium, and its Gibbs energy falls.
doi_str_mv 10.1134/S0036024423040106
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subjects Babbitt metal
Chemical Thermodynamics and Thermochemistry
Chemistry
Chemistry and Materials Science
Enthalpy
Entropy
Gibbs free energy
Mathematical analysis
Physical Chemistry
Polynomials
Sodium
Specific heat
Temperature dependence
Thermodynamics
title Heat Capacity and Thermodynamic Functions of Sodium-Alloyed Lead Babbitt BNa (PbSb15Sn10Na)
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