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US 7,405,173 B2Granted
Alumina-titanium oxide-zirconia fused grain
AssigneeSaint-Gobain Centre De Recherches Et D'Etudes Europeen
InventorsSamuel Marlin, Jerome Latournerie
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Abstract
An alumina-titanium oxide-zirconia fused grain presenting, for a total of 100%, the following chemical composition: Al2O3: more than 10% and less than 50%; TiO2: more than 10% and less than 40%; ZrO2: more than 50%; and impurities: less than 2%; the percentages being percentages by weight on the basis of the oxides. The invention is applicable to slide gates for continuous casting of steel.
Claims19
An alumina-titanium oxide-zirconia fused grain presenting the following chemical composition:
- Al2O3:
- more than 10% and less than 50%;
- TiO2:
- more than 10% and less than 40%;
- ZrO2:
- more than 50%;
- the percentages being percentages by weight on the basis of the oxides, the grain presenting no TiO2 phase and more than 98% by weight of the zirconia being monoclinic.
4 more elements
Dependencies are inferred from the claim text.