Method and apparatus for reducing moisture and hydrogen pick up of hygroscopic molten salts during aluminum-lithium alloy ingot casting

摘要

A method and an apparatus for melting and casting aluminum-lithium alloy ingots enhance ingot quality by supplying an inert gas such as argon to ambient atmospheric air (31, 35) during melting and casting. Argon is supplied to one or more covers (3, 11, 17) of the furnace (1), pour trough (9) and casting station (30) to reduce moisture pick up by hygroscopic molten salt baths (25, 27) used during the melting and casting steps. <IMAGE>