Sintering metal powders into structures without sintering aids
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United States of America Patent
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Feb 12, 1991
Grant Date -
N/A
app pub date -
Jul 15, 1988
filing date -
Jul 15, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Sintering metal powder in inert and/or reducing atmosphere has been found to result in a hard porous metal structure without the use of sintering aids. The oxidation resistance of the structure can be enhanced by the firing process comprised of the following steps: oxidation, reduction, and then inert gas sintering.
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