METAL POWDER
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United States of America Patent
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Issued Date -
Nov 24, 2011
app pub date -
Oct 2, 2009
filing date -
Oct 20, 2008
priority date (Note) -
Abandoned
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Abstract
A process of using a molybdenum-containing binder alloy powder to produce a sintered hard metal based on a tungsten carbide includes providing a molybdenum-containing binder alloy powder with a FSSS value as determined in accordance with an ASTM B 330 standard of from 0.5 to 3 μm and comprising from 0.1 to 10% by weight of a molybdenum in at least one of an alloyed form and a prealloyed form, less than 60% by weight of an iron, up to 60% by weight of a cobalt, and from 10 to 60% by weight of a nickel. The molybdenum-containing binder alloy powder is incorporated into a hard metal. The hard metal is sintered so as to provide the liquid-phase-sintered hard metal based on a tungsten carbide.
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