Process for producing ferromagnetic metallic particles

Details Process for producing ferromagnetic metallic particles Process for producing ferromagnetic metallic particles

1980-07-31

1981-12-15

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

148105, 252 6255, B22F 900

Patent

active

043057535

ABSTRACT:
Described is an improved process for producing acicular ferromagnetic metallic particles by the reduction of acicular particles of iron oxide or iron oxide hydrate with a gaseous reducing agent. More specifically, the process concerns the improvement wherein the iron oxide or iron oxide hydrate particles are treated with a specified amount of a phosphorus compound and a compound of cobalt, nickel and/or copper prior to the reduction step.

REFERENCES:
patent: 3598568 (1971-08-01), Klomp et al.
patent: 3607220 (1971-09-01), Van Der Giessen et al.
patent: 3702270 (1972-11-01), Kawasaki et al.
patent: 3837839 (1974-09-01), Rau et al.
patent: 4069073 (1978-01-01), Tadokoro et al.
patent: 4155748 (1979-05-01), Steck et al.
patent: 4165232 (1979-08-01), Jaeckh et al.

Affiliated with

Also associated with

Rating

Process for producing ferromagnetic metallic particles does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for producing ferromagnetic metallic particles, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for producing ferromagnetic metallic particles will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1902569