METALO-PHYSICAL AND PHYSICO-CHEMICAL ASPECTS OF THE METALLURGY OF THE CHROMIUM SUPERALLOYSPART II. ESTIMATION OF METALLURGICAL PROCESSES TERMODYNAMICS IN CHROMIUM-BASE MELTS
https://doi.org/10.17073/0368-0797-2014-11-23-31
Abstract
The experimental data about the thermodynamics of elements behavior in the chromium-base alloys are absent, so it has been offered to estimate those ones by transferring from iron-base alloys. The heats of dissolution of elements, the activity coefficients of elements, the molar interaction parameters of elements, the free energy change (ΔGг˚) for reactions of deoxidation, nitride-, carbide-, sulphide- and borideforming in сhromium-base melts have been calculated and are presented in tables. The recommendations about the rational select of the strengthening phases in chromium-base alloys are given.
About the Author
L. N. Belyanchikov
National University of Science and Technology “MISIS” (MISIS) (4, Leninskii pr., Moscow, 119049, Russia)
Russian Federation
Dr.Sci.(Eng.),Professor
Russian Federation
Dr.Sci.(Eng.),Professor
References
1. Belyanchikov L.N. Universal method of recalculating the values of the interaction parameters of elements from one alloy base to another on the basis of the theory of quasi-regular solutions. Part I. Theoretical basis and adequacy of the recalculation model. Elektrometallurgiya. 2009, no. 1, pp. 23–29. (In Russ.).
2. Belyanchikov L.N. Theory of charge dependence of ion cores in metals and its practical application. Elektrometallurgiya. 2001, no. 8, pp. 22–34. (In Russ.).
3. Sigworth, G.K., Elliott, J.F. The Thermodynamics of Dilute Iron Solutions, Materials Science, Vol. 8, no. 1, 1974, pp. 298–310.
4. Balkovoi Yu.V., Aleev R.A., Bakanov V.K. Parametry vzaimodeistviya pervogo poryadka v rasplavakh na osnove zheleza: Obzor. inform [Interaction parameters of the first order in iron-based melts: Review]. Moscow: In-t “Chermetinformatsiya”. 1987. 42 p. (In Russ.).
5. Belyanchikov L.N. Nature and mechanism of enthalpy changes in reactions of chemical synthesis. Elektrometallurgiya. 2011, no. 11, pp. 22–28. (In Russ.).
6. Vasil’eva E.V., Prokoshkin D.A. The principle of heat-resistant alloying. Metallovedenie i termicheskaya obrabotka metallov. 1967, no. 8, pp. 2–7. (In Russ.).
7. Kirsanov G.V., Khodkin V.I., Fridman A.G. etc. Poluchenie malo-egirovannykh khromovykh splavov metodom metallurgii granul [Production of low-alloyed chromium alloys with the method of metallurgy of granules]. In: Metallurgiya granul [Metallurgy of granules]. Moscow: VILS, 1983, Issue 1, pp. 142–148. (In Russ.)
8. Samgina O.N., Kirsanov G.V., Fridman A.G. etc. Razrabotka i osobennosti granuliruemykh splavov na osnove khroma [Design and features of granulated chromium-based alloys]. In: Metallurgiya granul [Metallurgy of granules]. Moscow: VILS, 1993, Issue 6, pp. 355–358. (In Russ.).
9. Diagrammy sostoyaniya dvoinykh metallurgicheskikh sistem: Spravochnik [Diagrams of binary metallurgical systems: Handbook]. Vols. 1–3. Lyakishev N.P. ed. Moscow: Mashinostroenie. Vol. 1. 1996. 992 p., Vol. 2. 1997. 1024 p. (In Russ.).
10.
Review
For citations:
Belyanchikov L.N. METALO-PHYSICAL AND PHYSICO-CHEMICAL ASPECTS OF THE METALLURGY OF THE CHROMIUM SUPERALLOYSPART II. ESTIMATION OF METALLURGICAL PROCESSES TERMODYNAMICS IN CHROMIUM-BASE MELTS. Izvestiya. Ferrous Metallurgy. 2014;57(11):23-31. (In Russ.) https://doi.org/10.17073/0368-0797-2014-11-23-31
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