Method of cutting using silicon carbide whisker reinforced ceramic cutting tools
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United States of America Patent
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Dec 6, 1988
Issued Date -
N/A
app pub date -
Feb 23, 1988
filing date -
Feb 18, 1986
priority date (Note) -
Expired
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Abstract
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.
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