Post decarburization anneal for cube-on-edge oriented silicon st

Details Post decarburization anneal for cube-on-edge oriented silicon st Post decarburization anneal for cube-on-edge oriented silicon st

1977-01-14

1978-10-31

Stallard, W.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148112, 148113, H01F 104

Patent

active

041232984

ABSTRACT:
A high temperature continuous strip anneal is added to the routings for both high permeability cube-on-edge oriented silicon steel having a permeability at 796 A/m of more than about 1850 and regular cube-on-edge oriented silicon steel having a permeability at 796 A/m of less than about 1850. For both grades of cube-on-edge oriented silicon steel the high temperature anneal is performed after the decarburization step and before the final high temperature box anneal during which the final desired orientation and magnetic characteristics are achieved. The post decarburization anneal results in improvements in both permeability and core loss.

REFERENCES:
patent: 3764407 (1973-10-01), Hirano et al.
patent: 3930906 (1976-01-01), Irie et al.
patent: 3932234 (1976-01-01), Imanaka et al.
patent: 3954521 (1976-05-01), Malagari
patent: 4000015 (1976-12-01), Malabari
patent: 4030950 (1977-06-01), Shilling et al.
patent: 4054471 (1977-10-01), Datta

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