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Proceedings Papers

Microstructural Effects in Precision Hard Turning

Y. Kevin Chou, Chris J. Evans
Proc. ASME. IMECE96, Manufacturing Science and Engineering, 237-242, November 17–22, 1996
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1996-0790
https://doi.org/10.1115/IMECE1996-0790
View Paper titled, Microstructural Effects in Precision Hard Turning
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Topics: Turning, Wear, Finishes, Boron nitride, Cutting, Fatigue, Finishing, Grain size, Grinding, Powder metallurgy
Proceedings Papers

White Layers and Thermal Modeling of Hard Turned Surfaces

Y. Kevin Chou, Chris J. Evans
Proc. ASME. IMECE97, Manufacturing Science and Engineering: Volume 2, 75-82, November 16–21, 1997
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1997-1138
https://doi.org/10.1115/IMECE1997-1138
View Paper titled, White Layers and Thermal Modeling of Hard Turned Surfaces
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Topics: Cutting, Heat, Modeling, Temperature, Wear
Proceedings Papers

A Numerical Study on the Keyhole Formation During Laser Powder Bed Fusion Process

Subin Shrestha, Y. Kevin Chou
Proc. ASME. MSEC2019, Volume 1: Additive Manufacturing; Manufacturing Equipment and Systems; Bio and Sustainable Manufacturing, V001T01A015, June 10–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2019-2987
https://doi.org/10.1115/MSEC2019-2987
View Paper titled, A Numerical Study on the Keyhole Formation During Laser Powder Bed Fusion Process
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Topics: Lasers
Journal Articles

A Numerical Study on the Keyhole Formation During Laser Powder Bed Fusion Process

Subin Shrestha, Y. Kevin Chou
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research-Article
J. Manuf. Sci. Eng. October 2019, 141(10): 101002.
Paper No: MANU-19-1266
https://doi.org/10.1115/1.4044100
Published Online: July 31, 2019
View Article titled, A Numerical Study on the Keyhole Formation During Laser Powder Bed Fusion Process
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Topics: Lasers, Melting, Simulation, Vapors, Density, Heat conduction, Shapes, Pressure, Evaporation, Discrete element methods
Proceedings Papers

Preliminary Testing of Temperature Measurements in Selective Laser Melting

Bo Cheng, Stephen Cooke, Y. Kevin Chou
Proc. ASME. MSEC2017, Volume 2: Additive Manufacturing; Materials, V002T01A048, June 4–8, 2017
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2017-3016
https://doi.org/10.1115/MSEC2017-3016
View Paper titled, Preliminary Testing of Temperature Measurements in Selective Laser Melting
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Topics: Lasers, Melting, Temperature measurement, Testing, Temperature, Manufacturing, Additive manufacturing, Density, Dimensions, Wavelength
Proceedings Papers

Process Effect on Part Surface Roughness in Powder-Bed Electron Beam Additive Manufacturing

Subin Shrestha, Y. Kevin Chou
Proc. ASME. MSEC2017, Volume 2: Additive Manufacturing; Materials, V002T01A017, June 4–8, 2017
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2017-3015
https://doi.org/10.1115/MSEC2017-3015
View Paper titled, Process Effect on Part Surface Roughness in Powder-Bed Electron Beam Additive Manufacturing
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Proceedings Papers

Overhang Support Structure Design for Electron Beam Additive Manufacturing

Bo Cheng, Y. Kevin Chou
Proc. ASME. MSEC2017, Volume 2: Additive Manufacturing; Materials, V002T01A018, June 4–8, 2017
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2017-3018
https://doi.org/10.1115/MSEC2017-3018
View Paper titled, Overhang Support Structure Design for Electron Beam Additive Manufacturing
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Topics: Additive manufacturing, Cathode ray oscilloscopes, Design, Electron beams, Deformation, Heat, Computer simulation, Design methodology, Energy dissipation, Metals
Proceedings Papers

Stress and Deformation Evaluations of Scanning Strategy Effect in Selective Laser Melting

Bo Cheng, Subin Shrestha, Y. Kevin Chou
Proc. ASME. MSEC2016, Volume 3: Joint MSEC-NAMRC Symposia, V003T08A009, June 27–July 1, 2016
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2016-8819
https://doi.org/10.1115/MSEC2016-8819
View Paper titled, Stress and Deformation Evaluations of Scanning Strategy Effect in Selective Laser Melting
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Topics: Deformation, Lasers, Melting, Stress, Finite element methods, Geometry, Heat, Laser beams, Residual stresses, Temperature
Proceedings Papers

Thermal Simulations for Cooling Rate Mapping in Electron Beam Additive Manufacturing

Bo Cheng, Y. Kevin Chou
Proc. ASME. IMECE2015, Volume 2A: Advanced Manufacturing, V02AT02A013, November 13–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2015-52343
https://doi.org/10.1115/IMECE2015-52343
View Paper titled, Thermal Simulations for Cooling Rate Mapping in Electron Beam Additive Manufacturing
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Topics: Additive manufacturing, Cathode ray oscilloscopes, Cooling, Electron beams, Engineering simulation, Simulation, Heat, Finite element methods, Mechanical properties, Transport processes
Proceedings Papers

A Method to Estimate Residual Stress in Metal Parts Made by Selective Laser Melting

Xiaoqing Wang, Y. Kevin Chou
Proc. ASME. IMECE2015, Volume 2A: Advanced Manufacturing, V02AT02A015, November 13–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2015-52386
https://doi.org/10.1115/IMECE2015-52386
View Paper titled, A Method to Estimate Residual Stress in Metal Parts Made by Selective Laser Melting
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Topics: Lasers, Melting, Metals, Stress, Residual stresses, Additive manufacturing, Texture (Materials), Alloys, Cooling, Equipment performance
Proceedings Papers

Case Studies of Diamond-Coated Tool Cutting Simulations: Coating Thickness and Cutting Speed Effects

Feng Qin, Y. Kevin Chou
Proc. ASME. MSEC2010, ASME 2010 International Manufacturing Science and Engineering Conference, Volume 2, 179-185, October 12–15, 2010
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2010-34306
https://doi.org/10.1115/MSEC2010-34306
View Paper titled, Case Studies of Diamond-Coated Tool Cutting Simulations: Coating Thickness and Cutting Speed Effects
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Topics: Coating processes, Coatings, Cutting, Diamonds, Engineering simulation, Simulation, Stress, Temperature, Machining, Cutting tools
Proceedings Papers

Short-Time Fourier Transform Method in AE Signal Analysis for Diamond Coating Failure Monitoring in Machining Applications

Ping Lu, Y. Kevin Chou, Raymond G. Thompson
Proc. ASME. MSEC2010, ASME 2010 International Manufacturing Science and Engineering Conference, Volume 1, 453-460, October 12–15, 2010
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2010-34305
https://doi.org/10.1115/MSEC2010-34305
View Paper titled, Short-Time Fourier Transform Method in AE Signal Analysis for Diamond Coating Failure Monitoring in Machining Applications
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Topics: Diamond films, Failure, Fourier transforms, Machining, Signals, Coating processes, Coatings, Cutting, Wear, Delamination
Proceedings Papers

AE Signal Evolutions in Machining by Diamond Coated Tools

Ping Lu, Y. Kevin Chou, Raymond G. Thompson
Proc. ASME. MSEC2009, ASME 2009 International Manufacturing Science and Engineering Conference, Volume 2, 165-171, October 4–7, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2009-84372
https://doi.org/10.1115/MSEC2009-84372
View Paper titled, AE Signal Evolutions in Machining by Diamond Coated Tools
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Topics: Diamonds, Machining, Signals, Delamination, Coating processes, Coatings, Cutting, Failure, Spectra (Spectroscopy), Acoustic emissions
Proceedings Papers

Diamond Coatings for Machining: Coating Thickness Effects

Feng Qin, Y. Kevin Chou, Dustin Nolen, Raymond G. Thompson
Proc. ASME. MSEC2009, ASME 2009 International Manufacturing Science and Engineering Conference, Volume 1, 485-491, October 4–7, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2009-84358
https://doi.org/10.1115/MSEC2009-84358
View Paper titled, Diamond Coatings for Machining: Coating Thickness Effects
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Topics: Coatings, Diamond films, Machining, Coating processes, Cutting, Cutting tools, Diamonds, Chemical vapor deposition, Delamination, Residual stresses
Proceedings Papers

Tool Heat Fluxes During Cutting of A360 Using Beck’s Method

Sean C. McCarty, Keith A. Woodbury, Y. Kevin Chou
Proc. ASME. IMECE2009, Volume 9: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A, B and C, 731-737, November 13–19, 2009
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2009-13194
https://doi.org/10.1115/IMECE2009-13194
View Paper titled, Tool Heat Fluxes During Cutting of A360 Using Beck’s Method
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Topics: Cutting, Flux (Metallurgy), Heat, Temperature, Heat flux, Aluminum, Cutting tools, Cylinders, Heat conduction, Metals
Proceedings Papers

Cutting Edge Radius Effects on Diamond Coated Cutting Tools: From Deposition to Machining

Jianwen Hu, Y. Kevin Chou, Raymond G. Thompson
Proc. ASME. MSEC2007, ASME 2007 International Manufacturing Science and Engineering Conference, 959-966, October 15–18, 2007
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2007-31043
https://doi.org/10.1115/MSEC2007-31043
View Paper titled, Cutting Edge Radius Effects on Diamond Coated Cutting Tools: From Deposition to Machining
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Topics: Cutting, Cutting tools, Diamonds, Machining, Stress, Diamond films, Coating processes, Coatings, Advanced materials, Aluminum alloys
Proceedings Papers

Vortex-Tube Cooling for Tool Wear Reduction in A390 Dry Machining

Jie Liu, Y. Kevin Chou
Proc. ASME. WTC2005, World Tribology Congress III, Volume 1, 837-838, September 12–16, 2005
Publisher: American Society of Mechanical Engineers
Paper No: WTC2005-64166
https://doi.org/10.1115/WTC2005-64166
View Paper titled, Vortex-Tube Cooling for Tool Wear Reduction in A390 Dry Machining
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Topics: Cooling, Machining, Vortices, Wear, Temperature, Alloys, Cutting, Air jets, Aluminum, Convection
Proceedings Papers

3D FEA Simulations of Fused Deposition Modeling Process

Yizhuo Zhang, Y. Kevin Chou
Proc. ASME. MSEC2006, Manufacturing Science and Engineering, Parts A and B, 1121-1128, October 8–11, 2006
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2006-21132
https://doi.org/10.1115/MSEC2006-21132
View Paper titled, 3D FEA Simulations of Fused Deposition Modeling Process
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Topics: Engineering simulation, Finite element analysis, Modeling, Simulation, Stress, Engineering prototypes, Manufacturing, Phase transitions, Residual stresses, Cooling
Proceedings Papers

Thermal Modeling for Finish Hard Turning Using a New Tool

Y. Kevin Chou, Hui Song
Proc. ASME. IMECE2003, Manufacturing, 183-192, November 15–21, 2003
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2003-41765
https://doi.org/10.1115/IMECE2003-41765
View Paper titled, Thermal Modeling for Finish Hard Turning Using a New Tool
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Topics: Finishes, Modeling, Turning, Heat, Temperature, Machining, Cutting, Shear (Mechanics), Damage, Damage assessment
Proceedings Papers

An Investigation on Cutting Tool Temperatures in Composite Machining Assisted With Heat-Pipe Cooling

Jie Liu, Y. Kevin Chou, Mark T. North, Kirk A. Bennett
Proc. ASME. IMECE2005, Manufacturing Engineering and Materials Handling, Parts A and B, 471-478, November 5–11, 2005
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2005-80323
https://doi.org/10.1115/IMECE2005-80323
View Paper titled, An Investigation on Cutting Tool Temperatures in Composite Machining Assisted With Heat-Pipe Cooling
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Topics: Composite materials, Cooling, Cutting tools, Heat pipes, Machining, Temperature, Heat, Coating processes, Coatings, Heat flux