RE-Co-Fe-transition metal permanent magnet and method of making

Details RE-Co-Fe-transition metal permanent magnet and method of making RE-Co-Fe-transition metal permanent magnet and method of making

1976-09-10

1978-03-28

Satterfield, Walter R.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148 3157, 148105, 148108, 75152, H01F 102

Patent

active

040812979

ABSTRACT:
A permanent magnet consists of a rare earth element (RE) or a mixture thereof, cobalt, iron and a transition metal (TM) selected from the group consisting of chromium, manganese, titanium, tungsten, molybdenum, and mixtures thereof; wherein for each two moles of the rare earth elements there are 14-19 moles of all other elements.

REFERENCES:
patent: 3102002 (1963-08-01), Wallace et al.
patent: 3421889 (1969-01-01), Ostertag et al.
patent: 3540945 (1970-11-01), Strnat et al.
patent: 3615915 (1971-10-01), Luiten et al.
patent: 3684593 (1972-08-01), Benz et al.
Johnson, R. et al.; Preparation of RE-Co Magnets, in Cobalt, 53, Brussels, Dec., 1971, pp. 191-196.

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