| abstract |
The present invention provides a boron suboxide composite comprising boron suboxide and a second phase, the second phase containing a mixture of at least two metal oxides, neither of which is a boron-containing oxide. To do. At least one of the oxides may be selected from oxides of elements of Groups IA, IIA, IIIA, and IVA of the Periodic Table. At least one of the oxides may be a rare earth metal oxide selected from oxides of scandium, yttrium, and lanthanide series elements. The second phase of the composite material may also contain borides, in particular borides selected from group 4-8 transition metal borides of the periodic table. |