System and method for making structured magnetic material from insulated particles
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United States of America Patent
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Jul 5, 2016
Grant Date -
Jan 3, 2013
app pub date -
Jun 29, 2012
filing date -
Jun 30, 2011
priority date (Note) -
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Abstract
A system for making a material having domains with insulated boundaries is provided. The system includes a combustion chamber, a gas inlet configured to inject a gas into the combustion chamber, a fuel inlet configured to inject a fuel into the combustion chamber, an igniter subsystem configured to ignite a mixture of the gas and the fuel to create a predetermined temperature and pressure in the combustion chamber, a metal powder inlet configured to inject a metal powder comprised of particles coated with an electrically insulating material into the combustion, wherein the predetermined temperature creates conditioned droplets comprised of the metal powder in the chamber, and an outlet configured to eject and accelerate combustion gases and the conditioned droplets from the combustion chamber and towards a surface such that conditioned droplets adhere to the surface to form a material having domains with insulated boundaries thereon.
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