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Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.3/92575
- Synthesis of Ti-Sn-Nb alloy by powder metallurgy
- Nouri, Alireza; Chen, Xiaobo; Li, Yuncang; Yamada, Yasuo; Hodgson, Peter D.; Wen, Cui'e
- he 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.
- Publication type
- Journal article
- Materials Science and Engineering A: Structural Materials: Properties, Microstructures and Processing, Vol. 485, no. 1-2 (Jun 2008), pp. 562-570
- Publication year
- FOR Code(s)
- 0912 Materials Engineering
- Mechanical alloying; Metallic biomaterials; Microstructures; Powder metallurgy; Titanium alloys
- Publisher URL
- Copyright © 2007 Elsevier B.V. All rights reserved.
- Peer reviewed