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Compositional variability in gum metal

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Talling, R. J., Dashwood, R. J., Jackson, M. and Dye, D.. (2009) Compositional variability in gum metal. Scripta Materialia, Vol.60 (No.11). pp. 1000-1003. ISSN 1359-6462

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Official URL: http://dx.doi.org/10.1016/j.scriptamat.2009.02.044

Abstract

beta-Ti alloy Gum metals were defined as Ti-24(Nb + Ta + V)-(Zr,Hf)-O (at.%) by Saito et al. [T. Saito et al., Science 300 (2003) 464]. Previous work has focused on compositions near Ti-23Nb-0.7Ta-2Zr-O. Here, Ti-24V-28Zr-2O was examined; similar single-crystal elastic constants were observed. However, the alloy was found to be brittle and did not form alpha '' during loading, unlike the Ti-Nb alloy. V-rich body-centred cubic precipitates were also observed. Therefore the beta stability parameters e/a, Bo and Md alone are insufficient to define the compositional range of Gum metals. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

Item Type:

Journal Article

Subjects:

T Technology
T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TN Mining engineering. Metallurgy

Divisions:

Faculty of Science > WMG (Formerly the Warwick Manufacturing Group)

Journal or Publication Title:

Scripta Materialia

Publisher:

Pergamon

ISSN:

1359-6462