Patent ID: 8167970
Filing Date: 2012-05-01
Classification: C22B,C22C

Abstract:
1. A method for purifying Al(aluminum)—Ti(titanium)—B(boron) alloy melt comprising: a. putting an industrial aluminum ingot in an electromagnetic induction smelting furnace and melting the ingot, the melt of Al being covered by a high-temperature covering agent, and its temperature up to about 670˜900° C.; b. adding material of K to form a mixture including an alloy of Al(TiB 2 +TiAl 3 ); wherein in the alloy of Al (TiB 2 +TiAl 3 ), a proportion of Ti is about 1˜10%, a proportion of B is about 0.001˜5%, and the rest is Al; and c. adding compound comprising Mg(magnesium), Li(lithium), Na(sodium) and F(fluorine) to the mixture, the compound having an amount about 0.01%˜1% of a sum weight of total K