PRESSURE CONTROLLED DROPLET SPRAYING (PCDS) METHOD FOR FORMING PARTICLES OF COMPOUND MATERIALS FROM MELTS
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United States of America Patent
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Oct 17, 2008
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Oct 17, 2008
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Abstract
A method and apparatus of forming compositionally homogeneous particles is provided. The method includes forming a homogenous melt from a plurality of constituent materials under a first pressure sufficient to prevent substantial vaporization of the constituent materials. Droplets are generated from the homogenous melt. The droplets are cooled under a second pressure sufficient to prevent substantial vaporization of the constituent materials at least until the homogeneous particles formed therefrom have stabilized.
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