SINTERED CERAMIC PRODUCT

摘要

The invention provides a sintered ceria/zirconia ceramic and a method of making it. The product comprises a substantially homogeneous mixture of 76 - 92 mole % zirconia, 8 - 20 mole % ceria and 0.1 - 4 mole % lanthana and/or praesodymia. The method involves heating an artifact comprising said mixture to a temperature in the range 1200- 1700.degree.C.