Ultrafine comminution of mineral and organic powders with the aid of metal-carbide microspheres
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United States of America Patent
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Apr 18, 1995
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N/A
app pub date -
Jan 12, 1994
filing date -
Jan 12, 1994
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Abstract
The present invention relates to ultrafine comminution of mineral and organic powders with the aid of ball-milling techniques employing, as the grinding medium, solid (nonporous) metal-carbide microspheres with diameters of from 10 to 100 .mu.m fabricated with the aid of high-temperature plasma-torch reactors from fully liquefied carbides of tungsten, thallium, niobium and vanadium.
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