| http://www.w3.org/ns/prov#value | - After reaction with the molten aluminum, the transformed silicate is a composite material composed of (by weight) 35 to 55% magnesium aluminate spinel, 15 to 35% alpha alumina and 20 to 40% of an elemental phase comprising free silicon and/or a silicon-aluminum intermetallic with optional presence of free aluminum.
|
