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Study of phase transformation and work hardening phenomenon during drilling of Ti-5553 and Ti-64

Yan, David Ping, Littlefair, Guy and Pasang, Tim 2011, Study of phase transformation and work hardening phenomenon during drilling of Ti-5553 and Ti-64, International journal of machining and machinability of materials, vol. 10, no. 4, pp. 264-279.

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Title Study of phase transformation and work hardening phenomenon during drilling of Ti-5553 and Ti-64
Author(s) Yan, David Ping
Littlefair, Guy
Pasang, Tim
Journal name International journal of machining and machinability of materials
Volume number 10
Issue number 4
Start page 264
End page 279
Total pages 16
Publisher Inderscience Publishers
Place of publication Geneva, Switzerland
Publication date 2011
ISSN 1748-5711
1748-572X
Keyword(s) Ti-5553
machinability
drilling
phase transformation
work hardening
Summary Titanium 5553 is a recently developed modification of Russian near-β titanium alloy VT-22 which has applications and potential particularly in the aerospace industry for such key components as landing gear. However, indications are that Ti-5553 has poorer machinability characteristics than other Ti alloys and a comprehensive and far-reaching analysis is a necessary research imperative. This paper presents the result of phase transformation and work hardening during drilling of Ti-5553 compared with Ti-64. The aim of this research work is to optimise the machining condition for Ti-5553, in which the β to a phase transformation, together with material work hardening could be fully understood. Analysis of machinability indicators, such as subsurface micrograph and hardness of drilled samples and drilling forces and torques, demonstrated that Ti-5553 generally has poorer machinability characteristics than Ti-64 and to some extent this variation has been quantified to allow for further and more detailed investigation.
Language eng
Field of Research 091004 Machining
Socio Economic Objective 861403 Industrial Machinery and Equipment
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2011, Inderscience Enterprises Ltd.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30040568

Document type: Journal Article
Collection: School of Engineering
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