Method of producing low core losses in oriented silicon steels

Details Method of producing low core losses in oriented silicon steels Method of producing low core losses in oriented silicon steels

1986-04-15

1987-05-19

Sheehan, John P.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148 27, 148 28, H01F 104

Patent

active

046665358

ABSTRACT:
A method is provided for improving core-loss values of grain-oriented silicon steel after final texture annealing by boronizing the steel to levels of 0.001 to 0.009 wt. % after applying a boron-containing material to the final texture annealed steel, heating to 1850.degree. to 2200.degree. F., maintaining the steel at such temperature to infuse boron into other steel, and cooling the steel at a rate of 100.degree. F./hour or less.

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