On the eutectoid transformation behavior of the Ti-Zn system and its metastable phases
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Abstract
To date, Zn has not been used as an alloying addition in structural Ti alloys. The main obstacle has been the disparity between their melting and vaporization temperatures. A novel processing technique was developed to create a Ti-Zn compound. The equilibrium phases and microstructures were studied by electron microscopy and x-ray diffraction techniques. Results show the presence of pearlitic domains of α-Ti (hexagonal closed packed crystal structure) and Ti2Zn (body center tetragonal structure) in regions that have a near eutectoid composition. Solutionizing and water quenching results in the formation of martensite along with intermetallic laths, suggesting that the eutectoid transformation is active.
Comments
This is a manuscript of an article published as Brice, D. A., P. Samimi, I. Ghamarian, Y. Liu, M. Y. Mendoza, M. J. Kenney, R. F. Reidy, M. Garcia-Avila, and P. C. Collins. "On the eutectoid transformation behavior of the Ti-Zn system and its metastable phases." Journal of Alloys and Compounds 718 (2017): 22-27. doi: 10.1016/j.jallcom.2017.05.103. Posted with permission.