TY - JOUR

T1 - Electromagnetic levitation method as a containerless experimental technique

AU - Toropova, Lyubov

AU - Alexandrov, Dmitry

AU - Kao, A.

AU - Rettenmayr, M.

AU - Galenko, Petr

N1 - This paper was supported by the Russian Science Foundation (grant no. 21-79-10012).

PY - 2023

Y1 - 2023

N2 - Electromagnetic levitation is a method for contain-erless high-temperature treatment of metal, semiconductor, and alloy samples. This method is widely used to investigate the thermophysical and thermochemical properties of liquid melts, as well as their crystallization kinetics. An alternating electro-magnetic field induces an induction current inside a sample, resulting in a Lorentz force opposing the gravitational force. The Lorentz force lifts the sample, which is heated and melts in a levitation chamber due to the current flowing through it. In this paper, we present an analytical model of the sample levitation process, considering the structure of the electromagnetic levitator coil and options for its optimization for experiments. The kinetics of high-speed solidification of undercooled droplets in the chamber of the electromagnetic levitator is analyzed.

AB - Electromagnetic levitation is a method for contain-erless high-temperature treatment of metal, semiconductor, and alloy samples. This method is widely used to investigate the thermophysical and thermochemical properties of liquid melts, as well as their crystallization kinetics. An alternating electro-magnetic field induces an induction current inside a sample, resulting in a Lorentz force opposing the gravitational force. The Lorentz force lifts the sample, which is heated and melts in a levitation chamber due to the current flowing through it. In this paper, we present an analytical model of the sample levitation process, considering the structure of the electromagnetic levitator coil and options for its optimization for experiments. The kinetics of high-speed solidification of undercooled droplets in the chamber of the electromagnetic levitator is analyzed.

UR - https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=tsmetrics&SrcApp=tsm_test&DestApp=WOS_CPL&DestLinkType=FullRecord&KeyUT=001097028100005

UR - http://www.scopus.com/inward/record.url?partnerID=8YFLogxK&scp=85164794205

U2 - 10.3367/UFNe.2022.02.039159

DO - 10.3367/UFNe.2022.02.039159

M3 - Article

VL - 66

SP - 722

EP - 733

JO - Physics-Uspekhi

JF - Physics-Uspekhi

SN - 1063-7869

IS - 7

ER -