抄録
It was tried to apply aluminium monochloride process, one of the refining methods of aluminium, for the concentration of titanium in Al-Ti alloys of practical use obtained by reducing titanium oxide with aluminium in cryolite bath.
As a prcliminary experiment, the reaction between aluminium chloride and titanium was investigated and it was found that the spongy titanium was always chlorinated at the temperature of 800°C to 1, 200°C, and the aluminium contents in the titanium after the reaction were 15.6% at 1, 050°C and 22.8% at 1, 200°C rcspectiverly.
This main reaction is assumed to be as follows:
(3/2+x)Ti(s)+AlCl3(g)=TiXAl(s)+3/2TiCl2(g)
From the above results, is is considered to be impossible to produce the Ti-Al alloys with small content of aluminium for practical use by the aluminium monochloride process.
