Process for retarding spontaneous combustion of powdery mixtures
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United States of America Patent
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Oct 20, 1998
Issued Date -
N/A
app pub date -
Apr 29, 1997
filing date -
May 7, 1996
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Expired
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Abstract
The sinterability of a copper/tungsten green compact is improved by using copper oxide, tungsten oxide or both as the copper and/or tungsten source. Sinterability is further enhanced by including steam in the sintering atmosphere. Spontaneous combustion of the source powders used to form the sintering compacts can be reduced or eliminated by including corrosion inhibitor in the powders.
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