Cubic system boron nitride sintered body for a cutting tool

Details Cubic system boron nitride sintered body for a cutting tool Cubic system boron nitride sintered body for a cutting tool

1996-07-30

1997-11-25

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Refractory

51307, 51309, C04B 355831, B24D 302

Patent

active

056912609

ABSTRACT:
A cubic system boron nitride sintered body for a cutting tool, which is a cubic system boron nitride sintered body having a purity of at least 99 wt % obtained by a direct conversion method, wherein the average size of primary crystal grains constructing the sintered body is at most 3.0 .mu.m.

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