Surface modified powder metal parts and methods for making same
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United States of America Patent
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Dec 27, 1988
Issued Date -
N/A
app pub date -
Jun 27, 1984
filing date -
Dec 29, 1982
priority date (Note) -
Expired
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Abstract
A sintered metal part which has a pressed and sintered core; the part is coated with a sintered metal surface layer; the layer has a property different from that of the metal part; the interior regions of the core are free of the metal constituting the coating; and process for making the parts.
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