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Induced crystallization principle for rapid 3D printing of steel melts

V. B. Oshurko1 , A. M. Mandel1 , K. G. Solomakho1 , V. N. Lednev2

1 Moscow State Technological University "Stankin", 1 Vadkovsky, Moscow 127994, Russia
2 Prokhorov General Physics Institute, Russian Academy of Sciences, 38 Vavilov str., Moscow 119991, Russia

solution for the most important problems in 3D printing technology (long print periods, small build volumes and limited material properties) is proposed. The method is based on the fact that the temperature of melt crystallization can be increased by pressure. The required pressure can be created by an Ampere force caused by the electric current in the melt flow. A magnetohydrodynamic (MHD) model (with heat taken into account) has been developed. It was shown that additional heating of the melt by this current can be decreased by an appropriate choice of tunable parameters and by applying an additional magnetic field. Ranges of parameters, where this induced crystallization can take place, are found. Figs 4, Refs 7.

Magnetohydrodynamics 54, No. 4, 343-352, 2018 [PDF, 0.67 Mb]

Copyright: Institute of Physics, University of Latvia
Electronic edition ISSN 1574-0579
Printed edition ISSN 0024-998X