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Journal Articles

Novel Correlations Between Process Forces and Void Morphology for Effective Detection and Minimization of Voids During Friction Stir Welding

Mohammad Ali Ansari, Hemant Agiwal, Mike Zinn, Frank Pfefferkorn, Shiva Rudraraju
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. September 2022, 144(9): 091007.
Paper No: MANU-21-1648
https://doi.org/10.1115/1.4054338
Published Online: May 19, 2022
View Article titled, Novel Correlations Between Process Forces and Void Morphology for Effective Detection and Minimization of Voids During Friction Stir Welding
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Topics: Flow (Dynamics), Friction, Probes, Rotation, Welding, Stiffness, Deformation, Signals, Welded joints, Computer simulation
Includes: Supplementary data
Proceedings Papers

Hydrodynamic and Thermal Characteristics of Single-Phase and Two-Phase Micro-Pin-Fin Heat Sinks

Abel M. Siu-Ho, Weilin Qu, Frank Pfefferkorn
Proc. ASME. IMECE2007, Volume 8: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A and B, 1077-1087, November 11–15, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2007-43888
https://doi.org/10.1115/IMECE2007-43888
View Paper titled, Hydrodynamic and Thermal Characteristics of Single-Phase and Two-Phase Micro-Pin-Fin Heat Sinks
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Topics: Heat sinks, Flow (Dynamics), Heat transfer, Friction, Pressure drop, Reynolds number, Boiling, Coolants, Cooling, Copper
Proceedings Papers

A Review on Thermally Assisted Machining

Shuting Lei, Frank Pfefferkorn
Proc. ASME. MSEC2007, ASME 2007 International Manufacturing Science and Engineering Conference, 325-336, October 15–18, 2007
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2007-31096
https://doi.org/10.1115/MSEC2007-31096
View Paper titled, A Review on Thermally Assisted Machining
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Topics: Machining, Heating, Lasers, Brittleness, Cutting, Machinery, Temperature
Proceedings Papers

Pulsed Laser Assisted Micromilling for Die/Mold Manufacturing

Tug˘rul O¨zel, Frank Pfefferkorn
Proc. ASME. MSEC2007, ASME 2007 International Manufacturing Science and Engineering Conference, 337-342, October 15–18, 2007
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2007-31101
https://doi.org/10.1115/MSEC2007-31101
View Paper titled, Pulsed Laser Assisted Micromilling for Die/Mold Manufacturing
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Topics: Lasers, Manufacturing, Micromilling, Machining, Heat, Cutting, Finite element analysis, Microscale devices, Alloys, Cutting tools
Proceedings Papers

Laser-Assisted Friction Stir Lap Welding of Aluminum

Nicholas Able, Frank Pfefferkorn
Proc. ASME. HT2005, Heat Transfer: Volume 3, 425-429, July 17–22, 2005
Publisher: American Society of Mechanical Engineers
Paper No: HT2005-72829
https://doi.org/10.1115/HT2005-72829
View Paper titled, Laser-Assisted Friction Stir Lap Welding of Aluminum
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Topics: Aluminum, Friction, Lasers, Welding, Contact resistance, Temperature, Absorption, Alloys, Butt welding, Finite element analysis
Proceedings Papers

Numerical and Experimental Investigation of Micromelting for Laser Micro Polishing of Meso/Micro Metallic Components

Yi Qu, Hongseok Choi, Tyler Perry, Yongho Jeon, Frank Pfefferkorn, Xiaochun Li, Neil Duffie
Proc. ASME. MSEC2006, Manufacturing Science and Engineering, Parts A and B, 1063-1070, October 8–11, 2006
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2006-21126
https://doi.org/10.1115/MSEC2006-21126
View Paper titled, Numerical and Experimental Investigation of Micromelting for Laser Micro Polishing of Meso/Micro Metallic Components
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Topics: Lasers, Polishing, Melting, Surface roughness, Computer simulation, Dimensions, Manufacturing, Modeling, Nd-YAG lasers, Nickel
Proceedings Papers

A Metric for Defining the Energy Efficiency of Thermally-Assisted Machining

Frank Pfefferkorn, Shuting Lei
Proc. ASME. MSEC2006, Manufacturing Science and Engineering, Parts A and B, 59-66, October 8–11, 2006
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2006-21006
https://doi.org/10.1115/MSEC2006-21006
View Paper titled, A Metric for Defining the Energy Efficiency of Thermally-Assisted Machining
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Topics: Energy efficiency, Machining, Cutting, Silicon nitride ceramics, Thermal energy, Lasers, Machinability, Manufacturing, Milling, Ceramics
Proceedings Papers

Thermionic Electron Emission From Nanostructured Diamond

Vishal Chopra, Vance Robinson, Frank Pfefferkorn, T. S. Fisher
Proc. ASME. IMECE2003, Advanced Energy Systems, 431-436, November 15–21, 2003
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2003-41893
https://doi.org/10.1115/IMECE2003-41893
View Paper titled, Thermionic Electron Emission From Nanostructured Diamond
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Topics: Diamonds, Electron emission, Energy conversion, Temperature, Boron, Carbon, Electric current, Electron field emission, Electrons, Emissions
Proceedings Papers

Effect of Laser Preheating the Workpiece on Micro-End Milling of Metals

Yongho Jeon, Frank Pfefferkorn
Proc. ASME. IMECE2005, Manufacturing Engineering and Materials Handling, Parts A and B, 479-488, November 5–11, 2005
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2005-80480
https://doi.org/10.1115/IMECE2005-80480
View Paper titled, Effect of Laser Preheating the Workpiece on Micro-End Milling of Metals
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Topics: Lasers, Metals, Milling, Stress, Cutting, Stiffness, Aluminum, Steel, Temperature, Yield strength
Journal Articles

Effect of Laser Preheating the Workpiece on Micro end Milling of Metals

Yongho Jeon, Frank Pfefferkorn
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. February 2008, 130(1): 011004.
https://doi.org/10.1115/1.2783219
Published Online: January 30, 2008
View Article titled, Effect of Laser Preheating the Workpiece on Micro end Milling of Metals
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Topics: Cutting, Lasers, Milling, Steel, Temperature, Aluminum, Machining, Heat transfer, Metals, Yield strength
Proceedings Papers

Pressure Drop and Heat Transfer in a Single-Phase Micro-Pin-Fin Heat Sink

Abel M. Siu Ho, Weilin Qu, Frank Pfefferkorn
Proc. ASME. IMECE2006, Heat Transfer, Volume 3, 213-220, November 5–10, 2006
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2006-14777
https://doi.org/10.1115/IMECE2006-14777
View Paper titled, Pressure Drop and Heat Transfer in a Single-Phase Micro-Pin-Fin Heat Sink
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Topics: Heat sinks, Heat transfer, Pressure drop, Friction, Coolants, Cooling, Copper, Heat flux, Heat transfer coefficients, Pins (Engineering)
Journal Articles

Experimental Study of Pressure Drop and Heat Transfer in a Single-Phase Micropin-Fin Heat Sink

Abel Siu-Ho, Weilin Qu, Frank Pfefferkorn
Journal: Journal of Electronic Packaging
Publisher: ASME
Article Type: Research Papers
J. Electron. Packag. December 2007, 129(4): 479–487.
https://doi.org/10.1115/1.2804099
Published Online: May 14, 2007
View Article titled, Experimental Study of Pressure Drop and Heat Transfer in a Single-Phase Micropin-Fin Heat Sink
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Topics: Flow (Dynamics), Friction, Heat sinks, Heat transfer, Pressure drop, Reynolds number, Water, Fins, Temperature, Heat flux