C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
29/45, 261/6
C04B 35/56 (2006.01) C04B 35/119 (2006.01) C04B 35/645 (2006.01) C04B 35/80 (2006.01)
Patent
CA 1332105
ABSTRACT OF THE DISCLOSURE A metalcutting insert is provided with an alumina based ceramic composition composed of (in volume percent, v/o): about 1.5 to 12.5 silicon carbide whiskers and about 7.5 to 17.5 v/o zirconia. The silicon carbide whiskers and zirconia are substantially homogeneously distributed in an alumina base matrix. At least about 7 v/o of the alumina based ceramic composition is tetragonal zirconia.
614270
Billman Elizabeth R.
Mehrotra Pankaj Kumar
Gowling Lafleur Henderson Llp
Kennametal Inc.
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