C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
261/23
C04B 35/48 (2006.01) C04B 35/10 (2006.01) C04B 35/119 (2006.01) C04B 35/50 (2006.01) C04B 35/64 (2006.01)
Patent
CA 2033289
ABSTRACT An alumina-zirconia composite sintered product which comprises a zirconia crystalline phase composed mainly of a tetragonal zirconia and an alumina crystalline phase is described. The sintered product has such a fine structure that regions of said alumina crystalline phase being separated with the zirconia crystalline phase at a size of from 0.1 to 2 µm on average. Preferably, the zirconia crystalline phase contains not larger than 4 mol% of yttrium oxide or not larger than 14 mol% of cerium oxide as a stabilizer. A method for making a starting composite powder and a method for making a composite sintered product using the composite powder are also described.
Kubota Yoshitaka
Yamamoto Shigemi
Yamamura Hiroshi
Kubota Yoshitaka
Marks & Clerk
Tosoh Corporation
Yamamoto Shigemi
Yamamura Hiroshi
LandOfFree
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