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Journal of Modern Processes in Manufacturing and Production
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Puladsaz, K., Shojae Rezavi, R., Tajaddara, M. (2013). Machinability evaluation of Titanium alloy in Laser Assisted Turning. Journal of Modern Processes in Manufacturing and Production, 2(3), 11-18.
Kamran Puladsaz; Razavi Shojae Rezavi; Mehdi Tajaddara. "Machinability evaluation of Titanium alloy in Laser Assisted Turning". Journal of Modern Processes in Manufacturing and Production, 2, 3, 2013, 11-18.
Puladsaz, K., Shojae Rezavi, R., Tajaddara, M. (2013). 'Machinability evaluation of Titanium alloy in Laser Assisted Turning', Journal of Modern Processes in Manufacturing and Production, 2(3), pp. 11-18.
Puladsaz, K., Shojae Rezavi, R., Tajaddara, M. Machinability evaluation of Titanium alloy in Laser Assisted Turning. Journal of Modern Processes in Manufacturing and Production, 2013; 2(3): 11-18.

Machinability evaluation of Titanium alloy in Laser Assisted Turning

Article 2, Volume 2, Issue 3, Summer 2013, Page 11-18  XML PDF (268.92 K)
Document Type: Research Paper
Authors
Kamran Puladsaz email 1; Razavi Shojae Rezavi2; Mehdi Tajaddara3
1MSc Student, Islamic Azad University, Department of Mechanical Engineering, Science and Research Branch of Kermanshah
2Associate Professor, School of Material Science and Engineering, University of Malekshahr
3Professor of Mechanical Engineering, Islamic Azad University, Science and Research Branch
Abstract
The use of titanium and its alloys has increased in various industries recently, because of their superior properties of these alloys. Titanium alloys are generally classified as difficult to machine materials because of their thermo-mechanical properties such as high strength-to-weight ratio and low thermal conductivity. Laser Assisted Machining (LAM) improves the machinability of high strength materials in various aspects. LAM is a high temperature cutting process using a laser beam as the heat source. The laser is used as an intense heat source to increase workpiece temperature locally and decrease the strength of the machined material in front of the cutting tool. Decreasing of workpiece material strengh in material removal region resulted to improvement of material removal conditions. In this study the effectiveness of the LAM on machinability of Ti6Al4V is invetigated by compared to conventional machining in varying process parameters such as cutting speed, feed rate, laser power and material removal temperature. The machinability of the titanium alloy under varying conditions is evaluated by examining specific cutting energy, surface roughness and chip morphology. This investigation has shown that LAM reduces specific cutting energy about 30% and improvement of surface roughness as compared to conventional machining.
Keywords
Laser Assisted Machining (LAM); Machinability; Titanium alloy; Turning operation
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