Melt spinning

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The melt spinning is a method of rapid solidification technology .

Here, materials with special properties are produced by cooling a melt very quickly . For example, metals are usually crystalline , but some alloys can be obtained as “ metallic glasses ” by cooling them very quickly from the molten state . With melt spinning, the melt is brought to a copper wheel - often cooled with water - by means of a nozzle, where it solidifies immediately. The cooling speeds are around 10,000 to 1,000,000 ° C per second. Due to the high speed of rotation, the resulting tape is thrown off the wheel.

The cooling rate is essential for the melt spinning process . In addition to the temperature difference and the speed at which the melt hits the wheel, it naturally depends on the speed of rotation; this can easily be varied with this procedure.

Melt spinning is sometimes incorrectly translated as “melt spinning” from English, which refers to this process as melt spinning . Spin in this case does not mean spin in terms of "twisting fibers together," but "quick turn" or "fling". Melt spinning is therefore a much more appropriate term.