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J. Ramkumar
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Journal Articles

Development of Novel Low-Cost Sustainable Abrasive Flow Finishing Media From Ground Tire Rubber and Its Performance Evaluation

Irfan Ahmad Ansari, Kamal K. Kar, J. Ramkumar
Journal: Journal of Manufacturing Science and Engineering
Article Type: Research Papers
J. Manuf. Sci. Eng. April 2023, 145(4): 041002.
Paper No: MANU-22-1378
https://doi.org/10.1115/1.4055963
Published Online: December 12, 2022
View Article titled, Development of Novel Low-Cost Sustainable Abrasive Flow Finishing Media From Ground Tire Rubber and Its Performance Evaluation
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Topics: Finishing, Flow (Dynamics), Rheology, Rubber, Tires, Surface roughness, Particle size, Viscosity
Includes: Supplementary data
Journal Articles

Correlation of Three-Dimensional Roughness Parameters With the Crater Dimensions in μ ED-Milling of Cryogenic-Treated Tool and Workpiece

J. M. Jafferson, P. Hariharan, J. Ramkumar
Journal: Journal of Micro and Nano-Manufacturing
Article Type: Research-Article
J. Micro Nano-Manuf. March 2020, 8(1): 011001.
Paper No: JMNM-18-1030
https://doi.org/10.1115/1.4045912
Published Online: February 19, 2020
View Article titled, Correlation of Three-Dimensional Roughness Parameters With the Crater Dimensions in μ ED-Milling of Cryogenic-Treated Tool and Workpiece
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Topics: Dimensions, Milling, Surface roughness, Microchannels, Machining, Erosion
Proceedings Papers

Microfeature Edge Quality Optimization in Excimer Laser Ablation of Metallic Film

Syed Nadeem Akhtar, J. Ramkumar, S. Anantha Ramakrishna
Proc. ASME. IMECE2013, Volume 10: Micro- and Nano-Systems Engineering and Packaging, V010T11A038, November 15–21, 2013
Paper No: IMECE2013-64149
https://doi.org/10.1115/IMECE2013-64149
View Paper titled, Microfeature Edge Quality Optimization in Excimer Laser Ablation of Metallic Film
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Topics: Ablation (Vaporization technology), Excimer lasers, Metallic films, Optimization, Fluence (Radiation measurement), Surface roughness, Design, Integrated circuits, Thin films
Proceedings Papers

Influence of Process Parameters on the Dimensions of the Channels Prepared Using Abrasive Water Jet Machining

T. V. K. Gupta, Puneet Tandon, J. Ramkumar, Nalinaksh S. Vyas
Proc. ASME. IMECE2013, Volume 2B: Advanced Manufacturing, V02BT02A042, November 15–21, 2013
Paper No: IMECE2013-64063
https://doi.org/10.1115/IMECE2013-64063
View Paper titled, Influence of Process Parameters on the Dimensions of the Channels Prepared Using Abrasive Water Jet Machining
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Topics: Dimensions, Machining, Water, Flow (Dynamics), Particulate matter, Shapes, Erosion, Machinery, Micromachining, Milling
Proceedings Papers

Fabrication of Complex Micro Channels by Micro Electric Discharge Milling (µ-ED Milling)

Vaibhav Shukla, Syed Nadeem Akhtar, S. Kanmani Subbu, J. Ramkumar
Proc. ASME. IMECE2013, Volume 2B: Advanced Manufacturing, V02BT02A072, November 15–21, 2013
Paper No: IMECE2013-64031
https://doi.org/10.1115/IMECE2013-64031
View Paper titled, Fabrication of Complex Micro Channels by Micro Electric Discharge Milling (µ-ED Milling)
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Topics: Electric discharge, Manufacturing, Microchannels, Milling
Proceedings Papers

Experimental Investigation on Electro-Discharge Deposition Process

B. Muralidharan, H. Chelladurai, J. Ramkumar
Proc. ASME. IMECE2013, Volume 2A: Advanced Manufacturing, V02AT02A003, November 15–21, 2013
Paper No: IMECE2013-62866
https://doi.org/10.1115/IMECE2013-62866
View Paper titled, Experimental Investigation on Electro-Discharge Deposition Process
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Topics: Additive manufacturing, Anodes, Composite materials, Cycles, Cylinders, Design, Electrodes, Micromanufacturing
Journal Articles

Comparative Assessment of the Laser Induced Plasma Micromachining and the Micro-EDM Processes

K. Pallav, P. Han, J. Ramkumar, Nagahanumaiah, K. F. Ehmann
Journal: Journal of Manufacturing Science and Engineering
Article Type: Research-Article
J. Manuf. Sci. Eng. February 2014, 136(1): 011001.
Paper No: MANU-11-1275
https://doi.org/10.1115/1.4025391
Published Online: November 5, 2013
View Article titled, Comparative Assessment of the Laser Induced Plasma Micromachining and the Micro-EDM Processes
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Topics: Electrical discharge machining, Machining, Microchannels, Micromachining, Plasmas (Ionized gases), Wear, Lasers
Journal Articles

Excimer Laser Micromachining Using Binary Mask Projection for Large Area Patterning With Single Micrometer Features

Govind Dayal, Syed Nadeem Akhtar, S. Anantha Ramakrishna, J. Ramkumar
Journal: Journal of Micro and Nano-Manufacturing
Article Type: Research-Article
J. Micro Nano-Manuf. September 2013, 1(3): 031002.
Paper No: JMNM-12-1037
https://doi.org/10.1115/1.4024880
Published Online: August 9, 2013
View Article titled, Excimer Laser Micromachining Using Binary Mask Projection for Large Area Patterning With Single Micrometer Features
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Topics: Excimer lasers, Lasers, Machining, Micromachining
Proceedings Papers

Comparative Assessment of the Laser Induced Plasma Micro-Machining (LIP-MM) and the Micro-EDM Processes

Kumar Pallav, Peidong Han, J. Ramkumar, Nagahanumaiah, Kornel F. Ehmann
Proc. ASME. MSEC2011, ASME 2011 International Manufacturing Science and Engineering Conference, Volume 2, 429-442, June 13–17, 2011
Paper No: MSEC2011-50260
https://doi.org/10.1115/MSEC2011-50260
View Paper titled, Comparative Assessment of the Laser Induced Plasma Micro-Machining (LIP-MM) and the Micro-EDM Processes
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Topics: Electrical discharge machining, Lasers, Micromachining, Plasmas (Ionized gases)
Journal Articles

Preferential Media for Abrasive Flow Machining

Kamal K. Kar, N. L. Ravikumar, Piyushkumar B. Tailor, J. Ramkumar, D. Sathiyamoorthy
Journal: Journal of Manufacturing Science and Engineering
Article Type: Research Papers
J. Manuf. Sci. Eng. February 2009, 131(1): 011009.
https://doi.org/10.1115/1.3046135
Published Online: January 15, 2009
View Article titled, Preferential Media for Abrasive Flow Machining
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Topics: Atomic force microscopy, Flow (Dynamics), Machining, Temperature, Viscosity, Rheology, Finishes, Shear rate, Finishing, EPDM rubber