Process for making copper-rich metal shapes by powder metallurgy
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United States of America Patent
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Aug 5, 1986
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N/A
app pub date -
Sep 19, 1985
filing date -
Oct 11, 1983
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Expired
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Abstract
A copper-rich metal shape is produced by forming a coherent forerunner shape consisting essentially of cupreous powder, said powder containing a proportion of copper oxide sufficient for facilitating the obtaining of a high sinter density in sintered porous mass, and in a reducing atmosphere at temperature that will sinter copper present, converting said forerunner shape into a porous sintered mass virtually devoid of copper oxide. Said porous mass can be worked so virtually full density if desired.
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