Method of producing silicon-iron sheet material with...

Details Method of producing silicon-iron sheet material with... Method of producing silicon-iron sheet material with...

C - Chemistry, Metallurgy

21

D

148/8

C21D 10/00 (2006.01) C21D 8/12 (2006.01) H01F 1/147 (2006.01)

Patent

CA 1168964

ABSTRACT OF THE DISCLOSURE Silicon-iron sheet products having good magnetic properties can be produced from low nitrogen alloy sheet material by heating in a nitrogen-bearing hydrogen atmosphere to a temperature sufficient to effect secondary recrystallization and thereafter heating to a higher temperature in a hydrogen atmosphere to effect removal of residual carbon, nitrogen, and sulfur.

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