Abstract
The effect of the solution treatment and aging (STA) conditions on the tensile properties of Ti–4mass%Fe–4mass%Al–0.25mass%Si alloy has been investigated in this work. The obtained results revealed that varying the solution temperature affected the stability of the β phase due to the Fe partitioning (which inhibited the β→α′/α″ reaction during water quenching), while the magnitude of the aging temperature determined the predominant products of the β→isothermal ω→secondary αrich→secondary αlean+TiFe phase transformation with distinct tensile characteristics. In addition, the relationship between the alloy microstructure and its tensile properties was discussed.
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