Sintered body for chip forming machine

Details Sintered body for chip forming machine Sintered body for chip forming machine

1995-10-16

1997-06-17

Jones, Deborah

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 93, 419 14, 419 15, 419 18, 419 29, 75241, 75242, 428698, C04B 3556, C22C 2900

Patent

active

RE0355380

ABSTRACT:
The present invention relates to a sintered body for chip forming machining containing at least one hard constituent comprising a carbide, nitride and/or carbonitride of a metal of group IVB, VB or VIB in the periodical system and a binder metal based upon Co, No and/or Fe, in which the body comprises a core containing eta-phase or an intermediate phase, substantially free of carbon and/or nitrogen surrounded by a hard constituent- and binder phase-containing surface zone, free of said eta-phase or intermediate phase.

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American Heritage Dictionary, 2nd College Ed., Houghton Mifflin Co., Boston (1982) pp. 510 and 620.

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