Abstract
This report investigated the effect of low-temperature aging on the ω + β microstructure in the Ti-30Nb-3Fe alloy (wt%). Samples were subjected to several aging procedures. The ω + β microstructure remained quite stable under conventional transmission electron microscopy across most temperature/time regimes. Only the double aging treatment led to the growth of ω particles and an increased in Vickers hardness, indicating that the pre-aging treatment was necessary to promote rapid ω growth in the subsequent treatment. Furthermore, the early stages of solute partitioning that accompanies ω growth did not drastically increase hardness, suggesting that no embrittlement occurred.
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