Process for producing a zirconia refractory body and a...

C - Chemistry – Metallurgy – 04 – B

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C04B 35/48 (2006.01) C04B 35/486 (2006.01)

Patent

CA 1228372

TITLE OF THE INVENTION: PROCESS FOR PRODUCING A ZIRCONIA REFRACTORY BODY AND A PRODUCT PRODUCED BY THE PROCESS ABSTRACT OF THE DISCLOSURE: A high mechanical strength of zirconia refractory body can be provided by a process for producing the refractory body made of at least partially stabilized zirconia and having a predetermined shape comprising: a step of forming the predetermined shape out of a mixed powder of fine particles of zirconia belonging to a monoclinic system with fine particles of stabilizer composed of at least one substance selected from a group consisting essentially of MgO, CaO and Y2O3; and a step of firing the mixed powder having the predetermined shape thus formed in such a condition as to cause sintering of the zirconia particles and stabilization of zirconia simultaneously.

459465

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