PREDICTION OF LIQUIDUS TEMPERATURE OF NICKEL-BASED COMPLEX ALLOYED STEELS
https://doi.org/10.17073/0368-0797-2016-9-644-649
Abstract
Melting of steel and alloys is usual fi nished with casting a metal into a mold. It is necessary to know the liquidus temperatures of the casting alloy. The problem of casting is especially relevant for developing the technology of smelting the nickel-based alloys containing large amount of alloying elements. The aim of this work was to create a model for prediction the liquidus temperature of nickel-based complex alloyed steels. According to the literary data on the diagrams of the binary systems, the regression coefficients of the equations of liquidus and solidus lines of binary systems were defined. The data array of the regression coefficients is expanded from 21 to 27 elements, that allows to cover wider range of nickel-based complex alloyed steel. Testing of the model, formed with the data for double alloys, according to the array of experimentally defi ned liquidus temperatures of nickel-base complex alloyed steels shows that it is possible to predict the liquidus temperature of such alloys with an accuracy high enough for technological practice – ±19.8 °C– using the created model.
Keywords
Supporting agencies: Federal Target Program (agreement is RFMEFI57814X0023)
About the Authors
K. A. Zubarev
National University of Science and Technology “MISIS”, Moscow
Russian Federation
Postraduate of the Chair “Metallurgy of Steel and Ferro alloys”
Russian Federation
Postraduate of the Chair “Metallurgy of Steel and Ferro alloys”
G. I. Kotel’nikov
National University of Science and Technology “MISIS”, Moscow
Russian Federation
Cand. Sci. (Eng.), Assist. Professor of the Chair “Metallurgy of Steel and Ferroalloys”
Russian Federation
Cand. Sci. (Eng.), Assist. Professor of the Chair “Metallurgy of Steel and Ferroalloys”
K. O. Titova
National University of Science and Technology “MISIS”, Moscow
Russian Federation
Engineer
Russian Federation
Engineer
A. E. Semin
National University of Science and Technology “MISIS”, Moscow
Russian Federation
Dr. Sci. (Eng.), Professor of the Chair “Metallurgy of Steel and Ferroalloys
Russian Federation
Dr. Sci. (Eng.), Professor of the Chair “Metallurgy of Steel and Ferroalloys
M. A. Mikhailov
National University of Science and Technology “MISIS”, Moscow
Russian Federation
Head of the Laboratory
Russian Federation
Head of the Laboratory
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Review
For citations:
Zubarev K.A., Kotel’nikov G.I., Titova K.O., Semin A.E., Mikhailov M.A. PREDICTION OF LIQUIDUS TEMPERATURE OF NICKEL-BASED COMPLEX ALLOYED STEELS. Izvestiya. Ferrous Metallurgy. 2016;59(9):644-649. (In Russ.) https://doi.org/10.17073/0368-0797-2016-9-644-649
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