Abstract
In this paper, the processes of grain refinement and phase transformations in the Ti‐15Mo β‐alloy during high‐pressure torsion (HPT) at room temperature are investigated. The non‐monotonic character of the variation of the ω‐phase volume fraction has been demonstrated for an increasing number of turns; in particular, the HPT processing of 1 turn leads to the precipitation of 10% ω‐phase from the β‐matrix, but at 10 turns of HPT a reverse phase transformation is observed. It is shown that nanostructure formation with a minimum content of the ω‐phase allows for achievement of significant strengthening in the alloy while preserving a relatively low elastic modulus.
Published Version
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