PARAMETER’S INVESTIGATION ON Al2O3 CERAMIC USING LASER TURNING

Sriram Desikan (), Jayaprakash Govindarajulu, Arulkirubakaran David and Bagathsingh Nagarajan
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Sriram Desikan: Department of Mechanical Engineering, Sudharsan Engineering College, Sathiyamangalam-622501, Pudukkottai District, Tamil Nadu, India
Jayaprakash Govindarajulu: ��Department of Mechanical Engineering, Saranathan College of Engineering, Venkateswara Nagar, Panjappur, Thiruchirappalli-620012, Tamil Nadu, India
Arulkirubakaran David: ��Department of Mechanical Engineering, Karunya Institute of Technology and Sciences, Karunya Nagar, Coimbatore-641114, Tamil Nadu, India
Bagathsingh Nagarajan: �Department of Mechanical Engineering, Kurinji College of Engineering and Technology, Manapparai-621307, Tamil Nadu, India

Surface Review and Letters (SRL), 2022, vol. 29, issue 01, 1-13

Abstract: The investigation deals with the turning of Alumina (Al2O3) ceramic using various parameters of the input process. The experimental design has been used based on Taguchi technology to perform the experimentation. Pulse frequency, average laser power, work piece rotational speed and feed rate are the process inputs considered during investigation. The Signal-to-Noise ratio values are used for measuring various outputs. The best amount of spot overlap has been reached with various combined parameter settings. In addition, a better width of the rotational scan has been attained by varying axial feed rate as well as the rotational speed of the work piece. Micro-turned deviation (depth) and machined surface finish at different input parametric combinations were considered as output reactions for machining. During the laser turning operation, analyses learned the effect of overlaps on the various inputs considered for output measurements such as micro-degree deviation and surface roughness. The investigation reveals that the surface finish decreases with an increase in overlap in the circumferential direction and rotation of the work sample. The maximum surface finish is 0.507μm achieved at a frequency of 5000Hz, 300rpm work piece cutting speed, 8.5W power and 0.4mm/s feed.

Keywords: Nd:YAG; Surface roughness; Depth deviation; GRA; Pulse frequency (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1142/S0218625X2250010X

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