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An alumina crystal particle(s), a zirconia crystal particle(s), Ti, Mg, and Si are included, where, when Ti is converted into TiO2, Mg is converted into MgO, and Si is converted into SiO2, a total content of Ti, Mg, and Si is 1.4% by mass or greater, when zirconia that composes the zirconia crystal particle(s) is denoted by ZrO2, a content of a rare-earth element relative to ZrO2 in the zirconia crystal particle(s) is 2 mol % or less in an oxide equivalent thereof, the zirconia crystal particle(s) include(s) at least one of a separate particle(s) with a maximum length of 1 μm or greater and an aggregated particle(s) with a maximum length of 1 μm or greater, and a total of ratios of the separate particle(s) with a maximum length of 1 μm or greater and the aggregated particle(s) with a maximum length of 1 μm or greater is 50% by volume or greater of a whole of the zirconia crystal particle(s).
An alumina crystal particle(s), a zirconia crystal particle(s), Ti, Mg, and Si are included, where, when Ti is converted into TiO2, Mg is converted into MgO, and Si is converted into SiO2, a total content of Ti, Mg, and Si is 1.4% by mass or greater, when zirconia that composes the zirconia crystal particle(s) is denoted by ZrO2, a content of a rare-earth element relative to ZrO2 in the zirconia crystal particle(s) is 2 mol % or less in an oxide equivalent thereof, the zirconia crystal particle(s) include(s) at least one of a separate particle(s) with a maximum length of 1 μm or greater and an aggregated particle(s) with a maximum length of 1 μm or greater, and a total of ratios of the separate particle(s) with a maximum length of 1 μm or greater and the aggregated particle(s) with a maximum length of 1 μm or greater is 50% by volume or greater of a whole of the zirconia crystal particle(s).
ALUMINA-BASED PORCELAIN AND CERAMIC HEATER
WANG YUCONG (author)
2021-09-16
Patent
Electronic Resource
English
Alumina-based porcelain insulator porcelain body and preparation method thereof
| European Patent Office | 2024
European Patent Office | 2015