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Machining of titanium alloy (Ti-6Al-4V)-theory to application

Pramanik, Alokesh and Littlefair, Guy 2015, Machining of titanium alloy (Ti-6Al-4V)-theory to application, Machining science and technology, vol. 19, no. 1, pp. 1-49, doi: 10.1080/10910344.2014.991031.

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Title Machining of titanium alloy (Ti-6Al-4V)-theory to application
Author(s) Pramanik, Alokesh
Littlefair, Guy
Journal name Machining science and technology
Volume number 19
Issue number 1
Start page 1
End page 49
Total pages 49
Publisher Taylor and Francis
Place of publication Oxford, Eng.
Publication date 2015-01-01
ISSN 1091-0344
1532-2483
Keyword(s) Science & Technology
Technology
Engineering, Manufacturing
Engineering, Mechanical
Materials Science, Multidisciplinary
Engineering
Materials Science
high temperature
sawtooth chip
practical application
titanium alloy
SPINDLE SPEED VARIATION
PRESSURE COOLANT SUPPLIES
TOOL WEAR CHARACTERISTICS
SERRATED CHIP FORMATION
BINDERLESS CBN TOOLS
COATED CARBIDE TOOLS
CUTTING EDGE RADIUS
TI-6AL-4V ALLOY
DEFORMATION-BEHAVIOR
DIMENSIONAL ACCURACY
Summary This article correlates laboratory-based understanding in machining of titanium alloys with the industry based outputs and finds possible solutions to improve machining efficiency of titanium alloy Ti-6Al-4V. The machining outputs are explained based on different aspects of chip formation mechanism and practical issues faced by industries during titanium machining. This study also analyzed and linked the methods that effectively improve the machinability of titanium alloys. It is found that the deformation mechanism during machining of titanium alloys is complex and causes basic challenges, such as sawtooth chips, high temperature, high stress on cutting tool, high tool wear and undercut parts. These challenges are correlated and affected by each other. Sawtooth chips cause variation in cutting forces which results in high cyclic stress on cutting tools. On the other hand, low thermal conductivity of titanium alloy causes high temperature. These cause a favorable environment for high tool wear. Thus, improvements in machining titanium alloy depend mainly on overcoming the complexities associated with the inherent properties of this alloy. Vibration analysis kit, high pressure coolant, cryogenic cooling, thermally enhanced machining, hybrid machining and, use of high conductive cutting tool and tool holders improve the machinability of titanium alloy.
Language eng
DOI 10.1080/10910344.2014.991031
Field of Research 091004 Machining
091006 Manufacturing Processes and Technologies (excl Textiles)
0910 Manufacturing Engineering
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 ©2015, Taylor and Francis
Persistent URL http://hdl.handle.net/10536/DRO/DU:30076201

Document type: Journal Article
Collection: School of Engineering
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