Iron nitride permanent magnet and technique for forming iron nitride permanent magnet
Abstract
A permanent magnet may include a Fe16N2 phase constitution. In some examples, the permanent magnet may be formed by a technique that includes straining an iron wire or sheet comprising at least one iron crystal in a direction substantially parallel to a <001> crystal axis of the iron crystal; nitridizing the iron wire or sheet to form a nitridized iron wire or sheet; annealing the nitridized iron wire or sheet to form a Fe16N2 phase constitution in at least a portion of the nitridized iron wire or sheet; and pressing the nitridized iron wires and sheets to form bulk permanent magnet.
- Inventors:
- Issue Date:
- Research Org.:
- Univ. of Minnesota, Minneapolis, MN (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1473692
- Patent Number(s):
- 10068689
- Application Number:
- 14/238,835
- Assignee:
- Regents of the University of Minnesota (Minneapolis, MN)
- Patent Classifications (CPCs):
-
B - PERFORMING OPERATIONS B22 - CASTING B22D - CASTING OF METALS
B - PERFORMING OPERATIONS B32 - LAYERED PRODUCTS B32B - LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- DOE Contract Number:
- AR0000199
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2012 Aug 17
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE
Citation Formats
Wang, Jian-Ping, He, Shihai, and Jiang, Yanfeng. Iron nitride permanent magnet and technique for forming iron nitride permanent magnet. United States: N. p., 2018.
Web.
Wang, Jian-Ping, He, Shihai, & Jiang, Yanfeng. Iron nitride permanent magnet and technique for forming iron nitride permanent magnet. United States.
Wang, Jian-Ping, He, Shihai, and Jiang, Yanfeng. Tue .
"Iron nitride permanent magnet and technique for forming iron nitride permanent magnet". United States. https://www.osti.gov/servlets/purl/1473692.
@article{osti_1473692,
title = {Iron nitride permanent magnet and technique for forming iron nitride permanent magnet},
author = {Wang, Jian-Ping and He, Shihai and Jiang, Yanfeng},
abstractNote = {A permanent magnet may include a Fe16N2 phase constitution. In some examples, the permanent magnet may be formed by a technique that includes straining an iron wire or sheet comprising at least one iron crystal in a direction substantially parallel to a <001> crystal axis of the iron crystal; nitridizing the iron wire or sheet to form a nitridized iron wire or sheet; annealing the nitridized iron wire or sheet to form a Fe16N2 phase constitution in at least a portion of the nitridized iron wire or sheet; and pressing the nitridized iron wires and sheets to form bulk permanent magnet.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {9}
}
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