3.1.6. Aluminum
There is only one Al–S phase (Al2S3) in the Al–S binary phase diagram [49]. Several Al–W phases were reported in that binary phase diagram [50]. There is no ternary phase diagram in the Al–W–S system nor any known ternary Al–W–S phases. The calculated ternary phase diagram is shown in Fig. 3d, which is dominated by the stable Al2S3 phase.