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Metallurgical and machinability characteristics of wrought and selective laser melted Ti-6Al-4V

Shunmugavel, Manikandakumar, Polishetty, Ashwin, Nomani, Junior, Goldberg, Moshe and Littlefair, Guy 2016, Metallurgical and machinability characteristics of wrought and selective laser melted Ti-6Al-4V, Journal of metallurgy, vol. 2016, pp. 1-10, doi: 10.1155/2016/7407918.

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Title Metallurgical and machinability characteristics of wrought and selective laser melted Ti-6Al-4V
Author(s) Shunmugavel, Manikandakumar
Polishetty, AshwinORCID iD for Polishetty, Ashwin orcid.org/0000-0002-8572-6024
Nomani, Junior
Goldberg, Moshe
Littlefair, Guy
Journal name Journal of metallurgy
Volume number 2016
Start page 1
End page 10
Total pages 10
Publisher Hindawi
Place of publication New York, N.Y.
Publication date 2016
ISSN 1687-9465
1687-9473
Summary This research work presents a machinability study between wrought grade titanium and selective laser melted (SLM) titanium Ti-6Al-4V in a face turning operation, machined at cutting speeds between 60 and 180 m/min. Machinability characteristics such as tool wear, cutting forces, and machined surface quality were investigated. Coating delamination, adhesion, abrasion, attrition, and chipping wear mechanisms were dominant during machining of SLM Ti-6Al-4V. Maximum flank wear was found higher in machining SLM Ti-6Al-4V compared to wrought Ti-6Al-4V at all speeds. It was also found that high machining speeds lead to catastrophic failure of the cutting tool during machining of SLM Ti-6Al-4V. Cutting force was higher in machining SLM Ti-6Al-4V as compared to wrought Ti-6Al-4V for all cutting speeds due to its higher strength and hardness. Surface finish improved with the cutting speed despite the high tool wear observed at high machining speeds. Overall, machinability of SLM Ti-6Al-4V was found poor as compared to the wrought alloy.
Language eng
DOI 10.1155/2016/7407918
Field of Research 091004 Machining
091006 Manufacturing Processes and Technologies (excl Textiles)
Socio Economic Objective 861202 Machined Metal Products
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30088566

Document type: Journal Article
Collections: School of Engineering
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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.