Parametric Study of Pulsed CO2 Laser Surface Treatment of Alumina Ceramics
-
A. Bharatish
,
H. N. Narasimha Murthy
Abstract
This paper focuses on investigating the influence of laser power, pulse frequency and scanning speed on material removal rate and surface roughness during CO2 laser surface treatment of alumina ceramics. Pulse frequency and laser power were the significant factors influencing the material removal rate and surface roughness, respectively. Adequate response surface models were established to correlate the laser parameters and the measured responses. Grey relational analysis predicted the optimal responses at 90 W laser power, 5 kHz pulse frequency and 400 mm/s scanning speed. Desirability function based Multi objective optimization results indicated that minimum material removal rate (0.5117 mm3/s) and surface roughness (0.5968 µm) are achieved at 90 W laser power, 5 kHz pulse frequency and 337.37 mm/s scanning speed which were in close agreement with Grey Relational results. Increase in homogeneity and smoothness of the laser treated alumina surface along with formation of micro recast particles away from the laser traverse path were evidenced by the SEM micrographs.
Funding statement: Funding: Financial support for the present research was provided by Vision Group on Science and Technology, Government of Karnataka under SMYSR-2012 scheme.
Acknowledgements
The authors express their gratitude to Dr. S. Ananth Raj for useful discussions and valuable suggestions.
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©2015 by De Gruyter
Artikel in diesem Heft
- Frontmatter
- Method of Assessing the Number of Technicians in Service of Manufacturing System
- Magnetorheological Finishing (MRF) of a Freeform Non-magnetic Work Material
- Multioptimization in a Cellular Manufacturing System Having Stochastic Parameters Considering Pricing
- Multi-response Optimization in Machining of GFRP (Epoxy) Composites: An Integrated Approach
- Parameter Optimization of Ball End Milling Process on Inconel 718 Using RSM and TLBO Algorithm
- Parametric Study of Pulsed CO2 Laser Surface Treatment of Alumina Ceramics
- RSM Based Investigations on the Effects of Cutting Parameters on Surface Integrity during Cryogenic Hard Turning of AISI 52100
Artikel in diesem Heft
- Frontmatter
- Method of Assessing the Number of Technicians in Service of Manufacturing System
- Magnetorheological Finishing (MRF) of a Freeform Non-magnetic Work Material
- Multioptimization in a Cellular Manufacturing System Having Stochastic Parameters Considering Pricing
- Multi-response Optimization in Machining of GFRP (Epoxy) Composites: An Integrated Approach
- Parameter Optimization of Ball End Milling Process on Inconel 718 Using RSM and TLBO Algorithm
- Parametric Study of Pulsed CO2 Laser Surface Treatment of Alumina Ceramics
- RSM Based Investigations on the Effects of Cutting Parameters on Surface Integrity during Cryogenic Hard Turning of AISI 52100
