VIM melting can be batch or continuous, and applications can range from aircraft and ground turbine blades, to medical implants.

Melting speed is determined by the size of the power supply [with an appropriate matched crucible].

Graphite susceptors can be used to couple with the Induction Power Supply and transfer heat to the material to be melted.

Induction power supplies can  solid state or via motor generators.

Melting can be “Equiax”, “Single Crystal”  or  via “Directional solidification”. 

Accessories can include:  Late Alloy Additions, Bridge Breaker, Sight Port Wipers, Automatic Melt Power Control, Billet Charger, Mold Lock, High Vacuum, Mold Well and Mold Heaters.

Ni, Fe, Co Cr alloys  are vacuum melted  to obtain controlled levels of C,N,O H as well as low levels of non metallic inclusions (oxides, nitrides, carbides).

Induction melting heating yields excellent homogenization of composition and of temperature due to the ability to melt and stir simultaneously via the induction eddy currents.. The purification process can be  enhanced by additional inert Argon gas purging of the melt.

The high purity and homogeneity of chemical composition via VIM Melting are an essential reason for the production of alloys with superior magnetic or other physical properties, as well as, for the production of highest grades of Rare Earth permanent magnets.

Vacuum Arc Remelting [VAR]

In Vacuum Arc Remelting (VAR), the metal acts as an electrode, and is melted by striking an arc between a charged electrode and the metal, and takes place within a vacuum.

Lab VAR Melters can have “Button”, “Bar” or “Skull “ water cooled copper Melt Crucibles.

Electron Beam Melting [EB]
Melting

In Electron Beam Melting (EBM), the metal is melted by focusing a beam of electrons from an electron gun on the metal. When the electrons strike the material, their energy is absorbed in quantities sufficient to melt the metal.