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Microstructure evolution of TI-SN-NB alloy prepared by mechanical alloying

Nouri, Alireza, Lin, Jianguo, Li, Yuncang, Yamada, Yasuo, Hodgson, Peter and Wen, Cui`e 2007, Microstructure evolution of TI-SN-NB alloy prepared by mechanical alloying, Materials forum (CD-ROM), vol. 31, pp. 64-70.

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Title Microstructure evolution of TI-SN-NB alloy prepared by mechanical alloying
Author(s) Nouri, Alireza
Lin, Jianguo
Li, Yuncang
Yamada, Yasuo
Hodgson, Peter
Wen, Cui`e
Journal name Materials forum (CD-ROM)
Volume number 31
Start page 64
End page 70
Publisher Institute of Materials Engineering Australasia
Place of publication North Melbourne, Vic.
Publication date 2007
ISSN 1447-6738
Summary In the present study, Ti-16Sn-4Nb alloy was prepared by mechanical alloying (MA). Optical microscopy, scanning electron microscopy combined with energy dispersive X-ray analysis (SEM-EDX), and X-ray diffraction analysis (XRD) were used to characterise the phase transformation and the microstructure evolution. Results indicated that ball milling to 8 h led to the formation of a supersaturated hcp α-Ti and partial amorphous phase due to the solid solution of Sn and Nb into Ti lattice. The microstructure of the bulk sintered Ti-16Sn-4Nb alloy samples made from the powders at shorter ball milling times, i.e. 20 min- 2 h, exhibited a primary α surrounded by a Widmanstätten structure (transformed β); while in the samples made from the powders at longer ball milling times, i.e. 5- 10 h, the alloy evolved to a microstructure with a disordered and fine β phase dispersed homogeneously within the α matrix. These results contribute to the understanding of the microstructure evolution in alloys of this type prepared by powder metallurgy.
Language eng
Field of Research 091499 Resources Engineering and Extractive Metallurgy not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©Reproduced with the specific permission of the copyright owner.
Free to Read? Yes
Persistent URL http://hdl.handle.net/10536/DRO/DU:30007336

Document type: Journal Article
Collections: Centre for Material and Fibre Innovation
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.