Aisin Seiki Kabushiki Kaisha

Tamotsu Koyano

Uichiro Mizutani

A method for producing iron-nitride powder comprises the steps of introducing iron powder and NH.sub.3 gas or N.sub.2 gas in a vessel, and milling the iron powder in the NH.sub.3 gas or the N.sub.2 gas. Furthermore, a method for producing iron-nitride powder comprises the steps of introducing iron powder and intermetallic compound powder of iron and nitrogen in a vessel, and milling the iron powder and the intermetallic compound powder. The obtained iron-nitride powder consists essentially 85.1 to 99 at % of iron and the rest of nitrogen, and has a body centered cubic structure.

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Nagoya, Japan

Tamotsu Koyano