Effect of titanium on oxygen solubility IN Ni - Co - Cr melts
https://doi.org/10.17073/0368-0797-2018-10-827-831
Abstract
Thermodynamic analysis of oxygen solutions in titanium-containing Ni - Co - Cr melts has been carried out. The dependences of the oxygen solubility on the content of titanium in Ni - Co - Cr melts were calculated at 1873 K. Titanium at very low levels practically does not effect on the oxygen concentration in the melt, and further increase of the titanium content leads to a very significant decrease of the oxygen concentration in the melt. Titanium contents under which the mechanism of the deoxidation reaction changes were determined in investigated melts.
Supporting agencies: RFBR, research project No. 16-33-60138 mol_a_dk
About the Authors
A. A. Aleksandrov
Baikov Institute of Metallurgy and Materials Science, RAS
Russian Federation
Russian Federation
Cand. Sci. (Eng.), Senior Researcher.
Moscow
V. Ya. Dashevskii
Baikov Institute of Metallurgy and Materials Science, RAS; National University of Science and Technology “MISIS”
Russian Federation
Russian Federation
Dr. Sci. (Eng.), Professor of the Chair “Energy-Efficient and Resource-Saving Industrial Technologies”, Head of the Laboratory.
Moscow
References
1. Reed R.C. The Superalloys. Fundamentals and Applications. Cambridge: University Press, 2006, 372 p.
2. Guedou J.-Y., Augustins-Lecallier I., Naze L. et al. Development of a new fatigue and creep resistant PM nickel base superalloy for disks applications. In: Superalloys 2008: proceedings of 11th International Symposium on Superalloys. Pennsylvania, USA, TMS. 2008, pp. 21-30.
3. Gu Y.F., Cui C., Harada K. et al. Development of Ni-Co-base superalloys for high-temperature turbine disk applications. In: Superalloys 2008: proceedings of 11th International Symposium on Superalloys. Pennsylvania, USA, TMS. 2008, pp. 53-62.
4. Logunov A.V., Shmotin Yu.A. Sovremennye zharoprochnye nike-levye splavy dlya diskovykh gazovykh turbin [Modern heat-resistant nickel alloys for disk gas turbines]. Moscow: Nauka i tekhnologii, 2013, 264 p. (In Russ.).
5. Miki T. Dilute solutions. In: Treatise on Process Metallurgy. Vol. 1. Process Fundamentals. Seetharaman S. ed. Elsevier Ltd., 2014, pp. 557-585.
6. Janke D., Fischer W.A. Das Losungsverhalten des Sauerstoffs in Nick-elbasisschmelzen. Arch. Eisenhuttenw. 1975, B. 46, H. 5, S. 297-302.
7. Belyanchikov L.N. Estimation of interaction parameters, activity coefficients and heats of elements dissolution in cobalt-based alloys by the method of conversion from their values in iron alloys. Elektrometallurgiya. 2009, no. 4, pp. 16-22. (In Russ.).
8. Aleksandrov A.A., Dashevskii V.Ya. Thermodynamics of the oxygen solutions in chromium-containing Ni-Co melts. Russian Metallurgy (Metally). 2016, no. 7, pp. 642-648.
9. Aleksandrov A.A., Dashevskii V.Ya. Oxygen solubility in titanium-containing Ni-Co melts. Metally. 2018, no. 6, pp. 81-87. (In Russ.).
10. Lyakishev N.P., Gasik M.I. Fizikokhimiya i tekhnologiya elektro-ferrosplavov [Physical chemistry and technology of electroferroalloys]. Moscow: ELIZ, 2005, 448 p. (In Russ.).
Review
For citations:
Aleksandrov A.A., Dashevskii V.Ya. Effect of titanium on oxygen solubility IN Ni - Co - Cr melts. Izvestiya. Ferrous Metallurgy. 2018;61(10):827-831. (In Russ.) https://doi.org/10.17073/0368-0797-2018-10-827-831
Views:
528
Email this article 