Reinforced ceramic cutting tools

Details Reinforced ceramic cutting tools Reinforced ceramic cutting tools

B - Operations, Transporting

23

B

57/17

B23B 27/14 (2006.01) B24D 3/14 (2006.01) C04B 35/80 (2006.01)

Patent

CA 1267294

ABSTRACT OF THE DISCLOSURE Cutting tools are disclosed which are comprised of composite bodies comprising a ceramic matrix reinforced by ceramic whiskers. The ceramic matrix may be alumina or silicon nitride, and may contain toughening components. The whiskers are preferably silicon carbide, but may be other known ceramic whiskers. Whisker content in the composite is 2-40%, with higher contents generally used for tools when the expected service involves interrupted cutting and lower contents generally used for continuous cutting tools.

503036

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