C22C 32/0089

Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides whether added as such or formed in situ {with other, not previously mentioned inorganic compounds as the main non-metallic constituent, e.g. sulfides, glass}