Nanoparticle Synthesis and Coating for Exchange Coupled Permanent Magnets

Award Information
Agency:
Department of Defense
Branch
Air Force
Amount:
$100,000.00
Award Year:
2006
Program:
SBIR
Phase:
Phase I
Contract:
FA8650-06-M-2632
Award Id:
78946
Agency Tracking Number:
F061-175-3869
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
5315 Peachtree Industrial Blvd., Atlanta, GA, 30341
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
806337762
Principal Investigator:
Michael Sigman
Senior Engineer
(678) 287-3959
msigman@ngimat.com
Business Contact:
Dave Smith
CFO
(678) 287-2451
dsmith@ngimat.com
Research Institution:
n/a
Abstract
The formation of exchange coupled permanent magnets consisting of nanometer sized hard magnetic grains enveloped in a soft magnetic matrix has been demonstrated experimentally to increase the energy product of advanced magnetic materials. Additional gains are still predicted, but improved control of the nanostructure must be achieved through a route that is both performance and cost effective. nGimat Co. proposes to utilize their proprietary NanoSpraySM and CCVC processing techniques to produce nanopowders suitable for sintering into dense, nanostructured exchange coupled magnets. Initially, both hard magnetic and soft magnetic nanopowders will be demonstrated individually. The two powders will then be blended as a liquid dispersion or in dry powder form via ball milling for subsequent pressing and sintering into consolidated pellets. Following successful production of the individual powders, core-shell nanopowders will be developed consisting of a hard magnetic core coated with a soft magnetic phase using a dynamic heterogeneous nucleation deposition technique. Core-shell nanocrystals are expected to improve dispersion and contact between the two phases following sintering. Successful completion of Phase I objectives will lead to a Phase II effort to complete the development and commercialization of the proposed nanomaterials for annealing/sintering into high energy density exchange coupled permanent magnets.

* information listed above is at the time of submission.

Agency Micro-sites


SBA logo

Department of Agriculture logo

Department of Commerce logo

Department of Defense logo

Department of Education logo

Department of Energy logo

Department of Health and Human Services logo

Department of Homeland Security logo

Department of Transportation logo

Enviromental Protection Agency logo

National Aeronautics and Space Administration logo

National Science Foundation logo
US Flag An Official Website of the United States Government