Metal treatment – Process of modifying or maintaining internal physical... – Magnetic materials
Patent
1990-03-13
1991-08-06
Sheehan, John P.
Metal treatment
Process of modifying or maintaining internal physical...
Magnetic materials
148112, 148120, 148121, H01F 104
Patent
active
050374931
ABSTRACT:
A method of producing non-oriented magnetic steel plate that comprises hot-rolling high-purity steel and adjusting the grain size together with the dehydrogenation treatment to produce a uniform ferrite grain diameter and impart uniform magnetic properties in a low magnetic field through the thickness direction.
REFERENCES:
patent: 4950336 (1990-08-01), Tomita et al.
Tomita Yukio
Yamaba Ryota
Nippon Steel Corporation
Sheehan John P.
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