Method for the densification and spheroidization of solid and solution precursor droplets of materials using microwave generated plasma processing
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United States of America Patent
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Feb 16, 2016
Grant Date -
Aug 20, 2015
app pub date -
Apr 30, 2015
filing date -
Nov 13, 2012
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Abstract
A method for processing feed material to produce dense and spheroidal products is described. The feed material is comprised of powder particles from the spray-drying technique or solution precursor droplets from ceramic or metallic materials. The feed material is processed using plasma generated from a microwave. The microwave plasma torch employed is capable of generating laminar flow during processing which allows for the production of spheroidal particles with a homogenous materials distribution. This results in products having improved thermal properties, improved corrosion and wear resistance and a higher tolerance to interface stresses.
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