| 简介 |
The invention provides a boron suboxide composite material comprising boron suboxide and a secondary phase, wherein the secondary phase contains a mixture of at least two metal oxides, neither of which is a boron- containing oxide. At least one of the oxides may be selected from oxides of elements of Groups IA, HA, IHA, and IVA of the periodic table. Also, at least one of the oxides may be a rare earth metal oxide selected from the oxides of scandium, yttrium, and elements of the ianthanide series. The secondary phase of the composite material may also contain a boride, and particularly a boride selected from the borides of transition metals of the fourth to eighth groups of the periodic table. |
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