Elongate rotary tool comprising a cermet having a Co-Ni-Fe binder
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United States of America Patent
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Feb 8, 2000
Grant Date -
N/A
app pub date -
Aug 27, 1997
filing date -
Aug 27, 1997
priority date (Note) -
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Abstract
An elongate rotary tool including at least one cutting edge that is useful in the machining of workpiece materials is disclosed. The elongate rotary tool comprises a cermet comprising at least one hard component and about 0.2 wt. % to 19 wt. % Co--Ni--Fe-binder. The Co--Ni--Fe-binder is unique in that even when subjected to plastic deformation, the binder substantially maintains its face centered cubic (fcc) crystal structure and avoids stress and/or strain induced transformations.
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