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A short review on the phase structures, oxidation kinetics, and mechanical properties of complex Ti-Al alloys

Lim, H.P., Liew, W.Y.H., Melvin, G.J.H. and Jiang, Z.-T. (2021) A short review on the phase structures, oxidation kinetics, and mechanical properties of complex Ti-Al alloys. Materials, 14 (7). Article 1677.

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Abstract

This paper reviews the phase structures and oxidation kinetics of complex Ti-Al alloys at oxidation temperatures in the range of 600–1000 °C. The mass gain and parabolic rate constants of the alloys under isothermal exposure at 100 h (or equivalent to cyclic exposure for 300 cycles) is compared. Of the alloying elements investigated, Si appeared to be the most effective in improving the oxidation resistance of Ti-Al alloys at high temperatures. The effect of alloying elements on the mechanical properties of Ti-Al alloys is also discussed. Significant improvement of the mechanical properties of Ti-Al alloys by element additions has been observed through the formation of new phases, grain refinement, and solid solution strengthening.

Item Type: Journal Article
Murdoch Affiliation(s): Chemistry and Physics
Surface Analysis and Materials Engineering Research Group
Publisher: MDPI
Copyright: © 2021 by the authors
URI: http://researchrepository.murdoch.edu.au/id/eprint/60388
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