Synthesis of Ti–Sn–Nb alloy by powder metallurgy

Nouri, Alireza, Chen, Xiaobo, Li, Yuncang, Yamada, Yasuo, Hodgson, Peter D. and Wen, Cui`e 2008, Synthesis of Ti–Sn–Nb alloy by powder metallurgy, Materials science and engineering A: structural materials: properties, microstructures and processing, vol. 485, no. 1-2, pp. 562-570, doi: 10.1016/j.msea.2007.10.010.

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Title Synthesis of Ti–Sn–Nb alloy by powder metallurgy
Author(s) Nouri, Alireza
Chen, Xiaobo
Li, Yuncang
Yamada, Yasuo
Hodgson, Peter D.
Wen, Cui`e
Journal name Materials science and engineering A: structural materials: properties, microstructures and processing
Volume number 485
Issue number 1-2
Start page 562
End page 570
Total pages 9
Publisher Elsevier SA
Place of publication Lausanne, Switzerland
Publication date 2008-06-25
ISSN 0921-5093
Keyword(s) mechanical alloying
titanium alloys
powder metallurgy
metallic biomaterials
Summary The microstructural evolution and characteristics of the Ti–16Sn–4Nb powder particles and bulk alloys sintered from the powders ball-milled for various periods of time were studied. Results indicated that ball milling to 8 h led to the development of a supersaturated hcp α-Ti and partial amorphous phase due to the solid solution of Sn and Nb into Ti lattice. The bulk Ti–16Sn–4Nb alloy made from the powders ball milled for a short time, up to 2 h, exhibited a primary α and a Widmanstätten structure consisting of interlaced secondary α and β. With an increase in ball milling time up to 10 h, the microstructure evolved into a fine β phase dispersed homogeneously within α phase matrix. The microhardness values of the bulk alloy in both α- and β-phases increased with the increasing of the ball milling time and reached a plateau value at 8 h and longer, i.e. 687 and 550 HV for α- and β-phases, respectively. Likewise, the microhardness of the α phases was always higher than that of the β phases in the bulk alloys made from the powders ball milled for the same milling time.
Language eng
DOI 10.1016/j.msea.2007.10.010
Field of Research 091207 Metals and Alloy Materials
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2008, Elsevier
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