LOSS OF ALUMINIUM DURING THE PROCESS OF Ti-A1-V ALLOY SMELTING IN A VACUUM INDUCTION MELTING (VIM) FURNACE.

In the present paper, results of the study on changes in basic Ti-6Al-4V alloy component contents during smelting in the vacuum induction melting (VIM) furnace are presented. The experiments were performed at 5 -- 1 000 Pa and 1 973-2 023 K. Assuming that the observed loss of aluminium from the alloy during smelting is the effect of evaporation, an additional thermodynamic analysis was performed aimed at determining evaporation coefficients. [ABSTRACT FROM AUTHOR]