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US 10,504,640 B2Granted
Iron nitride materials and magnets including iron nitride materials
AssigneeRegents of the University of Minnesota
InventorsJian-Ping Wang, Yanfeng Jiang
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Abstract
The disclosure describes magnetic materials including iron nitride, bulk permanent magnets including iron nitride, techniques for forming magnetic materials including iron nitride, and techniques for forming bulk permanent magnets including iron nitride.
Claims39
A method comprising:
- heating a mixture including iron and nitrogen to form a molten iron nitride-containing material and thereby forming the molten iron nitride-containing material;
- and
- casting, quenching, and pressing the molten iron nitride-containing material to form a workpiece including at least one Fe8N phase domain.
Dependencies are inferred from the claim text.