Process for the production of neodymium-iron-boron permanent...

Details Process for the production of neodymium-iron-boron permanent... Process for the production of neodymium-iron-boron permanent...

2005-02-15

2005-02-15

Sheehan, John P (Department: 1742)

Specialized metallurgical processes, compositions for use therei

Processes

Producing or purifying free metal powder or producing or...

C148S334000, C148S334000, C148S334000

Reexamination Certificate

active

06855186

ABSTRACT:
The present invention relates to an improved process for the production of neodymium-iron-boron permanent magnet alloy powder. The neodymium-iron-boron alloy prepared by the process of the present invention can be processed further to get anisotropic permanent magnets, bonded as well as sintered.

REFERENCES:
patent: 4715890 (1987-12-01), Ovshinsky et al.
patent: 4983217 (1991-01-01), Lopez Quintela et al.
patent: 5062888 (1991-11-01), Watanabe
patent: 3621530 (1988-07-01), None
patent: 3-27502 (1991-02-01), None

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