Effect of Calcium on the Temperature Dependence of the Heat Capacity and Thermodynamic Functions Variability of the AK12M2 Alloy
- Authors: Zokirov F.S.1, Sangov M.M.2, Ibrokhimov N.F.3, Ganiev I.N.3
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Affiliations:
- Osimi Tajik Technical University
- Tajik State Pedagogical University
- Nikitin Institute of Chemistry, Academy of Sciences of the Republic of Tajikistan
- Issue: Vol 56, No 6 (2018)
- Pages: 867-872
- Section: Thermophysical Properties of Materials
- URL: https://journals.rcsi.science/0018-151X/article/view/157852
- DOI: https://doi.org/10.1134/S0018151X18060093
- ID: 157852
Cite item
Abstract
The temperature dependence of the heat capacity, the heat transfer coefficient, and the change in the thermodynamic functions (enthalpy, entropy, and Gibbs energy) of AK12M2 alloy modified by calcium has been studied in the “cooling” mode. The heat capacity of alloys has been measured on a set-up based on the C-calorimeter method with a heat meter and an adiabatic shell. The results of the study showed that, in the temperature range of 300–550 K, the heat capacity increases by 20.1–21.4% for AK12M2 alloy modified with 0.1–1.0 wt % calcium. As the calcium content increases, the heat capacity of the initial alloy decreases by 4.86–6.41%.
About the authors
F. Sh. Zokirov
Osimi Tajik Technical University
Email: ganiev48@mail.ru
Tajikistan, Dushanbe, 734042
M. M. Sangov
Tajik State Pedagogical University
Email: ganiev48@mail.ru
Tajikistan, Dushanbe, 734003
N. F. Ibrokhimov
Nikitin Institute of Chemistry, Academy of Sciences of the Republic of Tajikistan
Email: ganiev48@mail.ru
Tajikistan, Dushanbe, 734063
I. N. Ganiev
Nikitin Institute of Chemistry, Academy of Sciences of the Republic of Tajikistan
Author for correspondence.
Email: ganiev48@mail.ru
Tajikistan, Dushanbe, 734063
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