VACUUM MELTING OF Al-Li ALLOY UNDER THE MICRO-GRAVITY CONDITION

Al\|Li Alloys were melted and cast with electric magneitc micro\|gravity simulation facility. The factors, which influenced the quality Al\|Li alloy ingot such as crucible material, heating temperature, vacuum degree and heat preservation time and gas protection were investigated. It showed that the impurity content of the Al\|Li alloy could be controlled effectively by taking proper technical measures and the quality of the ingot had been enhanced.\;