Method of producing bearings
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United States of America Patent
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Jul 30, 1996
Grant Date -
N/A
app pub date -
May 31, 1994
filing date -
Dec 21, 1992
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Abstract
A method of producing bearing surfaces from powder metal blanks comprising: blending carbon and ferro alloys and lubricant with compressible elemental iron powder, pressing the blending mixture to form the powder metal blank, high temperature sintering the blank in a reducing atmosphere, compressing the powder metal blanks so as to produce a densified layer having a bearing surface, and then heat treating the densified layer.
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