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Materials Machining Study of Titanium Alloy Using a High Speed Camera

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Abstract:

The research aim is to study and analyze the shear zone by application of merchant circle during machining of titanium alloy (Ti6Al4V). The thermo-mechanical reaction during machining plays an important role in defining machinability of titanium alloys. The scientific community is concerned about machining of titanium alloy due to problems occurring in the shear zone that affect tool life. Studying the cutting action contributes to understanding and addressing these problems effectively. For this purpose, an experimental setup, utilizing a high speed camera will be used to study the shear zone. The shear zone characteristics are studied by analyzing the images captured by a high speed camera placed near to the shear zone during machining. The experimental design consists of conducting a series of turning trials using combination of cutting parameters namely constant spindle speed (n) 770 rpm; feed rate (f) of 2 and 4 mm/rev; and depth of cut (d) of 1 and 2 mm. The length of cut (L) of 10 mm remains constant and no coolant is used for all trials. The images obtained from the camera are analyzed against the theory of orthogonal cutting using merchants circle.

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Proceedings of International Conference on Material Science and Engineering 2016 View Preview

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Periodical:

Key Engineering Materials (Volume 723)

Pages:

171-176

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.723.171

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Online since:

December 2016

Authors:

Ashwin Polishetty*, Guy Littlefair, Sanjay Tumma

Keywords:

Chip Formation, High Speed Camera, Machinability, Shear Zone, Titanium (Ti6Al4V)

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© 2017 Trans Tech Publications Ltd. All Rights Reserved

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