Whisker-reinforced ceramic material

Details Whisker-reinforced ceramic material Whisker-reinforced ceramic material

1995-06-20

1997-04-01

Group, Karl

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 91, 501 92, 501 95, 501 87, 501 96, 501127, 501105, C04B 35119, C04B 35577, C04B 3558

Patent

active

056165269

ABSTRACT:
There is now provided a ceramic material comprising of alumina, 10-50% by volume, preferably 20-35% by volume, silicon carbide whiskers, 1-25% by volume, preferably 5-20% by volume, most preferably 7-15% by volume, zirconia and 1-20% by volume, preferably 3-15% by volume, titanium compound-containing cubic phase. If this cubic phase has a lattice spacing of 4.29 to 4.40 .ANG. and a zirconium content of 3-65 weight %, a material with improved performance when turning heat resistant material such as aged Iconel 718, is obtained.

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patent: 4789277 (1988-12-01), Rhodes et al.
patent: 4804645 (1989-02-01), Ekstrom
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patent: 4867761 (1989-09-01), Brandt et al.
patent: 4961757 (1990-10-01), Rhodes et al.
patent: 5110770 (1992-05-01), Brandt et al.
patent: 5123935 (1992-06-01), Kanamaru et al.
patent: 5238334 (1993-08-01), Brandt et al.
patent: 5418197 (1995-05-01), Brandt

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