| 摘要 |
A sintered product having an average chemical composition such that, in weight percentages on the basis of the oxides: Cr2O3=80.0-99.0%; 0.5%≦̸TiO2≦̸9.0%; 0.2%≦̸MgO≦̸3.0%; and ZrO2≦̸5.0%, provided that the ratio of TiO2/MgO is between 1.5 and 9.0 and the molar ratio TiO2/Cr2O3 is less than 0.12. |
