Electromagnetic stirring (EMS) is carried out with AC at 50 Hz with the electromagnetic effect penetrating through the volume. EMS is used to (i) remove inclusions and gas bubbles, (ii) homogenize the melt composition and temperature, and (iii) refine the microstructure.

2013年11月29日 · One type of electromagnetic technique is the electromagnetic stirring (EMS), which generates a fluid flow by the Lorenz force provided by a linear induction motor.

1991年5月1日 · Effect of electromagnetic stirring current on the mechanical properties of Cu-15Ni-8Sn alloy and its mechanism of inducing dendrite refinement and Sn distribution...

2024年12月26日 · The advantages of electromagnetic stirring technology are: non-contact stirring without pollution, light oxidation in closed conditions, easy realization of stirring parameters, high production efficiency, less enrolling air, reduced hole defects, and improved surface quality.

In the present study, the influence of rotational electromagnetic stirring on fluid flows, grain refinement, and a reduction in segregation, has been investigated for cast structure of Al-alloys.

2011年3月1日 · Electromagnetic stirring (EMS) systems have been extensively used in the continuous casting process in steel-making industries to produce high-quality steel products.

2024年10月22日 · Electromagnetic stirring is a technique of influencing the crystallization pattern of a continuously cast workpiece and suppressing the development of a number of macrostructural defects in it.

To realize these tasks within melting-casting units incorporating melting furnaces, mixers, ladders, refining installations and continuous pouring machines, an efficient method is electric conductive metal melt electromagnetic stirring.

2013年12月20日 · This paper reviews the history of commercial electromagnetic stirring devices used to control the solidification structures of continuously cast products.

The stirring power of the LF EMS is greater than that which gas stirring can provide. The strong and efficient electromagnetic stirring leads to much better mixing in the ladle, which allows for precise temperature and chemistry control.

1991年5月1日 · Thus the magnetic field acts as a nonintrusive stirring device and it can, in principle, be engineered to provide any desired pattern of stirring. Stirring may also be effected through the interaction of a steady current distribution driven through a …

2011年1月20日 · Electromagnetic stirring (EMS) systems have been extensively used in the continuous casting process in steel-making industries to produce high-quality steel products.

2018年10月10日 · The principle of electromagnetic stirring refers to the creation of a forced convection in the liquid metal by the electromagnetic force (Lorentz force) resulting from the interaction of the induced currents (J) and the alternating magnetic fields (B).

This, in its simplest terms, is the principle, of electromagnetic stirring. We consider an incompressible liquid confined to a bounded volume Vwith surface S, and let V + be the exteri- or region.

Explore the benefits of electromagnetic stirring (EMS) in metallurgical processing, including higher yields, cleaner steel, and minimal maintenance costs. Learn how EMS improves product quality and boosts steel production in ladle furnaces and continuous casting.

2024年8月27日 · Two primary stirring techniques are commonly used: electromagnetic stirring (EMS) and conventional mechanical stirring. This blog delves into a comparative analysis of these two methods, examining their principles, advantages, and applications.

2022年9月7日 · EMS, or electromagnetic stirring, contributes to the process through which it is possible to achieve the stirring efficiency of a higher level through the interaction between the magnetic field from the electrically conducting metal bath and the static induction coil.

2003年6月4日 · The multiple versions of electromagnetic stirring in continuous casting are described. For long products, linear or rotational stirring appears confusing, but is clarified based on liquid steel flow pattern and metallurgical results.

2025年2月1日 · In this work, the hot deformation behavior of highly alloyed Al-Zn-Mg-Cu alloy prepared by electromagnetic stirring casting and conventional direct chill casting with temperature range of 300–450℃ and strain rate of 10− 4-10 s− 1 is investigated by isothermal compression experiments. The processing maps of the two alloys were established based on dynamic …

The paper describes the method, mathematical model and results of electromagnetic stirring processes investigation. A complex mathematical model of an electroma.

Recognizing the potential benefits to be gained from electromagnetic stirring, Reynolds Metals Company equipped one of the melters at their new casthouse facility in Muscle Shoals, Alabama with an ABB Induction Stirring unit.