Sintered part and the method for production thereof
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United States of America Patent
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Issued Date -
Dec 14, 2006
app pub date -
Apr 29, 2004
filing date -
May 21, 2003
priority date (Note) -
Abandoned
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Abstract
The invention relates to a sintered part consisting of a hard metal, in particular WC with Co, Ni and/or Fe binders-based hard metal, or cermet, in particular on the base of composition consisting of (Ti, W) (C, N) or (Ti, Mo) (C, N) with Co, Ni and/or Fe binders and to a method for producing such a sintered part. The inventive method consists in exposing a sintered part totally or partially to an active plasma gaseous phase at a maximum pressure of 3.times.10.sup.4 Pa during heating, sintering or after sintering, at least during a certain time preferably during a time period ranging from 10 to 100 min.
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