PRIMARY CRYSTALLIZATION OF INTERMETALLIDES IN SYSTEM Al–Fe–Mn–Ni–Si IN RESPECT TO CASTING ALLOYS ON THE BASE OF ALUMINIUM-NICKEL EUTECTICUM
https://doi.org/10.17073/0021-3438-2014-3-45-50
Abstract
There was calculated melting diagram in a typical cross section of Al–Ni–Fe–Mn–Si system in the range to 9 % Ni, 3 % Fe, 2 % Mn, and 3 % Si (wt. %). There were defined concentrations of elements, at which is a possibility of primary crystallization of intermetallic phases Al3Ni, Al9FeNi, Al3Fe, Al6 (Fe, Mn) and Al15 (Fe, Mn) 3Si2. There was showed a good agreement of experimental and computational data. In the field of nickalines composition during die casting the most probable generation of primary crystals of two phases – Al9FeNi and Ai6 (Fe, Mn). Primary crystallization of phases Al5Ni and Al15(Fe, Mn)3Si2 is possible only at elevated concentrations of nickel and silicon, correspondingly, and for formation of phase Al3Fe is required slow crystallization, implemented under temporary molding casting.
About the Authors
N. A. BelovRussian Federation
A. N. Alabin
Russian Federation
A. V. Sannikov
Russian Federation
V. B. Deev
Russian Federation
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Review
For citations:
Belov N.A., Alabin A.N., Sannikov A.V., Deev V.B. PRIMARY CRYSTALLIZATION OF INTERMETALLIDES IN SYSTEM Al–Fe–Mn–Ni–Si IN RESPECT TO CASTING ALLOYS ON THE BASE OF ALUMINIUM-NICKEL EUTECTICUM. Izvestiya. Non-Ferrous Metallurgy. 2014;(3):45-50. (In Russ.) https://doi.org/10.17073/0021-3438-2014-3-45-50