Melt spinning (MS) is known as a process used for producing amorphous metallic alloys. In the MS process, a molten metal or metallic alloy is subjected to very rapid cooling. A certain amount of the conducting material is placed inside a nozzle made of quartz glass or of boron nitride surrounded by induction coil. The melt is sprayed onto the surface of a rotating massive copper weel (~3000 rpm). This technique provides a cooling rate of about 10⁶ K/s.

Amorphous metallic alloys can be produced only from melts of special compositions having relatively high tendency to glass formation. More often metallic systems form nanocrystalline products. The MS technique allows to quench the high temperature state of the solid, which is informative for understanding of mechanisms of crystal growth. Also, unique metastable phases as well as phases with extended substitution ranges can be produced