Method of constructing a magnetic core

Details Method of constructing a magnetic core Method of constructing a magnetic core

C - Chemistry, Metallurgy

21

D

26/116

C21D 1/04 (2006.01) C21D 9/46 (2006.01) H01F 41/02 (2006.01)

Patent

CA 1272583

ABSTRACT OF THE DISCLOSURE A method of constructing a magnetic core from groups of amorphous metal laminations, with the groups being defined by flattening sheets which are interspersed in a stack of amorphous laminations during a magnetic stress-relief anneal cycle. The stack of laminations is compressed with a pressure of at least about 4 psi, but not enough pressure to metallurgically bond adjacent lamina- tions. The compression step is applied to the stack of laminations at least during the time the stack is at the elevated soaking temperature of the stress-relief anneal cycle. The flattened laminations are used to construct a magnetic core having an improved space factor and reduced sensitivity to core clamping pressures.

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