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Temperature Dependence of Thermophysical Properties and Changes in the Thermodynamic Functions of Mg–La System Alloys

  • THERMOPHYSICAL PROPERTIES OF MATERIALS
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High Temperature Aims and scope

Abstract

In cooling mode, the temperature dependence of the specific heat and changes in the thermodynamic functions of alloys of the Mg–La system in the temperature range of 300–700 K were studied. It has been shown that with increasing lanthanum concentration, the specific heat of magnesium, especially with the addition of lanthanum from 5 to 10%, noticeably decreases, and increases with increasing temperature. It has been established that with increasing temperature, the enthalpy and entropy of the alloys increase, and the values of the Gibbs energy decrease. The dependence of these functions on the lanthanum content in magnesium is inverse.

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REFERENCES

  1. Lyakishev, N.P., Diagrammy sostoyaniya dvoinykh metallicheskikh sistem (Phase Diagrams of Binary Metal Systems), Moscow: Mashinostroenie, 1996‒2001, vols. 1–3.

  2. Eidenzon, M.A., Magnii (Magnesium), Moscow: Metallurgiya, 1969.

    Google Scholar 

  3. Magnievye splavy dlya sovremennoi tekhniki. Sbornic nauchnykh trudov (Magnesium Alloys for Modern Technology: Collection of Scientific Papers), Moscow: Nauka, 1992.

  4. Portnoi, K.I. and Lebedev, A.L., Magnievye splavy. Svoistva i tekhnologiya. Spravochnik (Magnesium Alloys. Properties and Technology: Handbook), Moscow, 1952.

  5. Belousov, N.N., Plavka i razlivka splavov tsvetnykh metallov (Melting and Casting of Nonferrous Metal Alloys), Leningrad: Mashinostroenie, 1981.

  6. Lipnitskii, A.M. and Morozov, I.V., Tekhnologiya tsvetnogo lit’ya (Color Casting Technology), Leningrad: Mashgiz, 1986.

  7. Vozdvizhenskii, V.M., Liteinye splavy i tekhnologiya ikh vyplavki v mashinostroenii (Casting Alloys and Technology for Their Smelting in Mechanical Engineering), Moscow: Mashinostroenie, 1984.

  8. Raynor, G.V., The Physical Metallurgy of Magnesium and Its Alloys, Philadelphia: Woodhead, 2013.

    Google Scholar 

  9. Emli, E.F., Osnovy tekhnologii proizvodstva i obrabotki magnievykh splavov (Fundamentals of Technology for the Production and Processing of Magnesium Alloys), Moscow: Metallurgiya, 1972.

  10. Zinov’ev, V.E., Teplofizicheskie svoistva metallov pri vysokikh temperaturakh. Spravochnik (Thermophysical Properties of Metals at High Temperatures: Handbook), Moscow: Metallurgiya, 1989.

  11. Stark, B.V., Zh. Russ. Metall. O-va, 1926, no. 2, p. 184.

  12. Ivantsov, G.P., Nagrev metalla (teoriya i metody rascheta) (Heating of Metal: Theory and Calculation Methods), Sverdlovsk, 1948.

  13. Ganiev, I.N., Yakubov, U.Sh., Dzhuraeva, M.Sh., and Safarov, A.G., Izv. St. Peterb. Gos. Tekhnol. Univ. (Tekh. Univ.), 2021, no. 59, p. 66.

  14. Ganiev, I.N., Okilov, Sh.Sh., Eshov, B.B., Mulloeva, N.M., and Yakubov, U.Sh., Vestn. Kazan. Gos. Tekh. Univ. im. A.N. Tupoleva, 2021, vol. 77, no. 1, p. 24.

  15. Ganiev, I.N., Sodikova, S.S., Yakubov, U.Sh., and Alikhonova, S.D., Polzunov. Vestn., 2021, no. 3, p. 208.

  16. Ganiev, I.N., Abdulakov, A.P., Dzhailoev, D.Kh., Yakubov, U.Sh., Safarov, A.G., and Abulkhaev, V.D., Izv. Vyssh. Uchebn. Zaved., Mater. Elektron. Tekh., 2020, vol. 23, no. 1, p. 86.

    CAS  Google Scholar 

  17. Yakubov, U.Sh., Ganiev, I.N., Makhmadizoda, M.M., Safarov, A.G., and Ganieva, N.I., Vestn. St. Peterb. Gos. Univ. Tekhnol. Diz., Ser. 1: Estestv. Tekh. Nauki, 2018, no. 3, p. 61.

  18. Khudoiberdizoda, S.U., Ganiev, I.N., Otadzhonov, S.E., Eshov, B.B., and Yakubov, U.Sh., High Temp., 2021, vol. 59, no. 1, p. 49.

    Article  CAS  Google Scholar 

  19. Ganiev, I.N., Okilov, Sh.Sh., Eshov, B.B., Mulloeva, N.M., and Yakubov, U.Sh., Vestn. St. Peterb. Gos. Univ. Tekhnol. Diz., Ser. 1: Estestv. Tekh. Nauki, 2021, no. 1, p. 89.

  20. Ganiev, I.N., Safarov, A.G., Asoev, M.Dzh., Yakubov, U.Sh., Odinaev, F.R., and Kabutov, K., Khim. Ekol. Urban., 2021, vol. 2021, no. 1, p. 410.

    Google Scholar 

  21. Ganiev, I.N., Safarov, A.G., Asoev, M.Dzh., Yakubov, U.Sh., and Kabutov, K., Vestn. Sib. Gos. Ind. Univ., 2021, no. 1(35), p. 35.

  22. Ganiev, I.N., Nazarova, M.T., Yakubov, U.Sh., Safarov, A.G., and Kurbonova, M.Z., High Temp., 2020, vol. 58, no. 1, p. 58.

    Article  CAS  Google Scholar 

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Ganiev, I.N., Safarov, A.G., Dodkhoev, E.S. et al. Temperature Dependence of Thermophysical Properties and Changes in the Thermodynamic Functions of Mg–La System Alloys. High Temp 61, 31–35 (2023). https://doi.org/10.1134/S0018151X23010212

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  • DOI: https://doi.org/10.1134/S0018151X23010212

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