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Deformation induced phase transformation during machining of Ti-5553

Yan, David P., Littlefair, Guy and Pasang, Tim 2011, Deformation induced phase transformation during machining of Ti-5553, in TMS 2011 : Supplemental Proceedings Vol 2 : Materials Fabrication, Properties, Characterization, and Modeling, John Wiley & Sons, Hoboken N. J., pp. 633-640.

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Title Deformation induced phase transformation during machining of Ti-5553
Author(s) Yan, David P.
Littlefair, Guy
Pasang, Tim
Conference name Minerals, Metals and Materials Society (TMS) Annual Meeting and Exhibition (140th : 2011 : San Diego, Calif.)
Conference location San Diego, Calif.
Conference dates 27 Feb.-3 Mar. 2011
Title of proceedings TMS 2011 : Supplemental Proceedings Vol 2 : Materials Fabrication, Properties, Characterization, and Modeling
Editor(s) [Unknown]
Publication date 2011
Conference series Minerals, Metals and Materials Society (TMS) Annual Meeting and Exhibition
Start page 633
End page 640
Publisher John Wiley & Sons
Place of publication Hoboken N. J.
Keyword(s) cutting zone temperature
machining
phase transformation
Ti-5553
Summary Ti-5553 is a relatively new titanium alloy with applications particularly in the aerospace industry for such key structural components as landing gear. However, during machining of Ti-5553, the elevated temperature and high strain at tool-workpiece interface may alter workpiece microstructure and result in ß to a phase transformation. During phase transformation, some intermediated phase such as w phase may form which is brittle and hard to machine, and it could reduce the fatigue life of machined components. The aim of this research work is to optimize the machining condition for Ti-5553, in which its hot deformation behavior in terms of ß to a phase transformation could be fully understood. Analysis of variables such as micrographs of phase components and cutting zone temperature demonstrates that the cutting temperature governs the formation of final phase components and to some extent this variation has been quantified to allow for further and more detailed investigation.
ISBN 1118062140
9781118062142
Language eng
Field of Research 091004 Machining
091006 Manufacturing Processes and Technologies (excl Textiles)
091099 Manufacturing Engineering not elsewhere classified
Socio Economic Objective 861202 Machined Metal Products
HERDC Research category E2 Full written paper - non-refereed / Abstract reviewed
Copyright notice ©2011, The Minerals, Metals & Materials Society
Persistent URL http://hdl.handle.net/10536/DRO/DU:30042371

Document type: Conference Paper
Collection: School of Engineering
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