Apparatus and method for fabrication of metallic fibers...

Details Apparatus and method for fabrication of metallic fibers... Apparatus and method for fabrication of metallic fibers...

B - Operations, Transporting

22

D

B22D 11/06 (2006.01)

Patent

CA 2046160

The instant invention is concerned with the casting of metal fibers, preferably ferrous fibers, by the melt extraction technique. The metal to be cast as a fiber is in the form of a rod which is brought into contact with a spinning wheel having a tapered perimeter. The rod is heated by electromagnetic induction by a specially designed, slightly curved spiral coil. The coil is shaped to focus the heat at, or close to, the tip of the rod so to induce a meniscus. The rod is fed the through an opening in a guide that acts as a heat sink to carry away excess heat and prevent the rod from melting except at its tip. The spinning wheel is placed in contact with the melted portion of the rod and forms the fibers as it is rotated.

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