Abstract
The phase transformations which occur in the all-β titanium alloy Ti-13V-llCr-3Al at temperatures below ∼ 500°C have been studied by transmission electron microscopy, X-ray diffraction, and electrical resistivity techniques. The decomposition of the metastable β phase has been found to proceed through a transition reaction leading to the formation of two bcc phases rather than through the precipitation of the ω phase as has been previously reported. An interpretation of the observed decomposition sequence, based on thermodynamic reasoning, is presented. The decomposition characteristics of the Ti-13V-llCr-3Al alloy have been compared with those of a Ti-13V-llCr alloy to determine the influence of aluminum on the transformation behavior.
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Narayanan, G.H., Archbold, T.F. Decomposition of the metastable beta phase in the all-beta alloy Ti-13V-11Cr-3Al. Metall Trans 1, 2281–2290 (1970). https://doi.org/10.1007/BF02643446
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DOI: https://doi.org/10.1007/BF02643446