On the eutectoid transformation behavior of the Ti-Zn system and its metastable phases

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2017-09-01
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Brice, D.A.
Samimi, P.
Ghamarian, Iman
Liu, Y.
Mendoza, Michael
Kenney, Michael
Reidy, R.F.
Garcia-Avila, M.
Collins, Peter
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Collins, Peter
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Materials Science and Engineering
Materials engineers create new materials and improve existing materials. Everything is limited by the materials that are used to produce it. Materials engineers understand the relationship between the properties of a material and its internal structure — from the macro level down to the atomic level. The better the materials, the better the end result — it’s as simple as that.
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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.

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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.

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Sun Jan 01 00:00:00 UTC 2017
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