Ferromagnetic metal powder comprising lead and method for making

Details Ferromagnetic metal powder comprising lead and method for making Ferromagnetic metal powder comprising lead and method for making

1974-11-18

1977-02-08

Satterfield, Walter R.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

75 5A, 252 6255, H01F 102

Patent

active

040070727

ABSTRACT:
A powdery ferromagnetic metal material for a magnetic recording medium containing at least Fe, B and Pb as the main component and a process for producing a powdery ferromagnetic metal material comprising reducing a metal salt capable of forming a ferromagnetic substance and containing at least Fe in an aqueous solution thereof using a borohydride compound and/or derivative thereof in the presence of a Pb compound.

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