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Tool wear and surface integrity analysis of machined heat treated selective laser melted Ti-6Al-4V

Shunmugavel, Manikandakumar, Polishetty, Ashwin, Goldberg, Moshe, Singh, Rajkumar Prasad and Littlefair, Guy 2016, Tool wear and surface integrity analysis of machined heat treated selective laser melted Ti-6Al-4V, International journal of materials forming and machining processes, vol. 3, no. 2, pp. 50-63, doi: 10.4018/IJMFMP.2016070103.

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Title Tool wear and surface integrity analysis of machined heat treated selective laser melted Ti-6Al-4V
Author(s) Shunmugavel, Manikandakumar
Polishetty, AshwinORCID iD for Polishetty, Ashwin orcid.org/0000-0002-8572-6024
Goldberg, Moshe
Singh, Rajkumar Prasad
Littlefair, Guy
Journal name International journal of materials forming and machining processes
Volume number 3
Issue number 2
Start page 50
End page 63
Total pages 14
Publisher IGI Global
Place of publication Hershey, P.A.
Publication date 2016-07
ISSN 2334-4563
2334-4571
Keyword(s) additive manufacturing
machined surface
machining
micro-structural alterations
selective laser melting
surface integrity
titanium alloy
tool wear
Summary In this study, the tool wear and surface integrity during machining of wrought and Selective LaserMelted (SLM) titanium alloy (after heat treatment) are studied. Face turning trails were carried out onboth the materials at different cutting speeds of 60,120 and 180 m/min. Cutting tools and machinedspecimens collected are characterized using scanning electron microscope, surface profiler and opticalmicroscope to study the tool wear, machined surface quality and machining induced microstructuralalterations. It was found that high cutting speeds lead to rapid tool wear during machining of SLMTi-6Al-4V materials. Rapid tool wear observed at high cutting speeds in machining SLM Ti-6Al-4Vresulted in damaging the surface integrity by 1) Deposition of chip/work material on the machinedsurface giving rise to higher surface roughness and 2) Increasing the depth of plastic deformationon the machined sub surface.
Language eng
DOI 10.4018/IJMFMP.2016070103
Field of Research 091006 Manufacturing Processes and Technologies (excl Textiles)
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, IGI Global
Persistent URL http://hdl.handle.net/10536/DRO/DU:30086017

Document type: Journal Article
Collection: School of Engineering
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Created: Thu, 08 Sep 2016, 12:49:11 EST

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