Effect of transition metal alloying elements on the deformation of Ti-44Al-8Nb-0.2B-0.2Y alloys

A series of β-γ Ti-44Al-8Nb-0.2B-0.2Y alloys have been modified with 0.5 to 2.0 at.% of the β-stabilizing elements Mn, Cr, Mo and V. Additions of Cr and Mo alone result in a decrease in the flow stress, whereas the opposite effect was observed for additions of V. For alloys with Mn additions, a mini...

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Bibliographic Details
Published in:Scientific reports 2018-09, Vol.8 (1), p.14242-7, Article 14242
Main Authors: Zhang, Laiqi, Ge, Gengwu, Lin, Junpin, Aindow, Mark, Zhang, Lichun
Format: Article
Language:English
Subjects:
639/301/1023
639/301/1023/1026
Alloys
Chromium
Deformation
Humanities and Social Sciences
multidisciplinary
Science
Science (multidisciplinary)
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Summary:A series of β-γ Ti-44Al-8Nb-0.2B-0.2Y alloys have been modified with 0.5 to 2.0 at.% of the β-stabilizing elements Mn, Cr, Mo and V. Additions of Cr and Mo alone result in a decrease in the flow stress, whereas the opposite effect was observed for additions of V. For alloys with Mn additions, a minimum value of the flow stress was achieved in the alloy with 1.5% Mn. For alloys with combined additions, optimum hot deformation behavior was obtained for the alloy with 1.5% Mn and 1.0% Cr.
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-018-32570-4