Metal cutting tools utilizing gradient composites
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United States of America Patent
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-
Jan 18, 1983
Grant Date -
N/A
app pub date -
Sep 10, 1980
filing date -
Sep 10, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A rolling cutter drill bit is disclosed having cutters manufactured by powder metallurgy techniques, said cutters having gradient composite metallic structures in the cutting areas arranged to reduce or eliminate physical and metallic discontinuities and stress risers.
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Cited Art Landscape
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