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Journal Articles

Modeling Three-Dimensional Plasma Arc in Gas Tungsten Arc Welding

G. Xu, J. Hu, H. L. Tsai
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. June 2012, 134(3): 031001.
https://doi.org/10.1115/1.4006091
Published Online: April 25, 2012
View Article titled, Modeling Three-Dimensional Plasma Arc in Gas Tungsten Arc Welding
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Topics: Anodes, Boundary-value problems, Current density, Electric arcs, Gas tungsten arc welding, Magnetic fields, Temperature, Heat flux, Electric potential, Pressure
Proceedings Papers

Investigations of Femtosecond-Nanosecond Dual-Beam Laser Ablation of Dielectrics

Z. H. Rao, C. H. Lin, L. Jiang, W. J. Tsai, P. H. Wu, C. W. Chien, H. L. Tsai
Proc. ASME. MNHMT2009, ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 1, 675-686, December 18–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2009-18188
https://doi.org/10.1115/MNHMT2009-18188
View Paper titled, Investigations of Femtosecond-Nanosecond Dual-Beam Laser Ablation of Dielectrics
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Topics: Dielectric materials, Laser ablation, Lasers, Ablation (Vaporization technology), Absorption, Density, Electrons, Modeling, Plasmas (Ionized gases), Sapphire
Journal Articles

Three-Dimensional Modeling of Gas Metal Arc Welding of Aluminum Alloys

H. Guo, J. Hu, H. L. Tsai
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. April 2010, 132(2): 021011.
https://doi.org/10.1115/1.4001479
Published Online: April 21, 2010
View Article titled, Three-Dimensional Modeling of Gas Metal Arc Welding of Aluminum Alloys
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Topics: Aluminum alloys, Drops, Gas metal arc welding, Microhardness, Shapes, Temperature, Welding, Fluids, Aluminum, Base metals
Proceedings Papers

Study the Shielding Gas Effect on the Metal Transfer and Weld Pool Dynamics in GMAW

Z. H. Rao, J. Hu, S. M. Liao, H. L. Tsai
Proc. ASME. HT2009, Volume 3: Combustion, Fire and Reacting Flow; Heat Transfer in Multiphase Systems; Heat Transfer in Transport Phenomena in Manufacturing and Materials Processing; Heat and Mass Transfer in Biotechnology; Low Temperature Heat Transfer; Environmental Heat Transfer; Heat Transfer Education; Visualization of Heat Transfer, 675-684, July 19–23, 2009
Publisher: American Society of Mechanical Engineers
Paper No: HT2009-88407
https://doi.org/10.1115/HT2009-88407
View Paper titled, Study the Shielding Gas Effect on the Metal Transfer and Weld Pool Dynamics in GMAW
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Topics: Dynamics (Mechanics), Gas metal arc welding, Metals, Drops, Helium, Electrodes, Transients (Dynamics), Electric arcs, Electromagnetic force, Flow (Dynamics)
Proceedings Papers

Determination of Equilibrium Wire Feed Speeds for a Stable GMAW Process

Z. H. Rao, J. Hu, S. M. Liao, H. L. Tsai
Proc. ASME. IMECE2008, Volume 10: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A, B, and C, 1723-1733, October 31–November 6, 2008
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2008-67799
https://doi.org/10.1115/IMECE2008-67799
View Paper titled, Determination of Equilibrium Wire Feed Speeds for a Stable GMAW Process
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Topics: Equilibrium (Physics), Gas metal arc welding, Wire, Electrodes, Welding, Melting, Electric arcs, Errors, Transport phenomena
Proceedings Papers

Weld Pool Dynamics and the Formation of Ripples in 3D Gas Metal Arc Welding

J. Hu, H. Guo, H. L. Tsai
Proc. ASME. IMECE2007, Volume 8: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A and B, 1003-1011, November 11–15, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2007-41403
https://doi.org/10.1115/IMECE2007-41403
View Paper titled, Weld Pool Dynamics and the Formation of Ripples in 3D Gas Metal Arc Welding
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Topics: Dynamics (Mechanics), Gas metal arc welding, Drops, Electric arcs, Electromagnetic force, Fillers (Materials), Gravity (Force), Momentum, Shapes, Surface tension
Proceedings Papers

Application of Electromagnetic Force in Laser Welding

J. Zhou, H. L. Tsai
Proc. ASME. IMECE2007, Volume 8: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A and B, 1025-1030, November 11–15, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2007-43479
https://doi.org/10.1115/IMECE2007-43479
View Paper titled, Application of Electromagnetic Force in Laser Welding
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Topics: Electromagnetic force, Laser welding, Absorption, Lasers, Porosity, Shapes, Welding, Heat, Welded joints, Aerospace industry
Proceedings Papers

Modeling of Three-Dimensional Gas Metal Arc Welding With Groove

J. Hu, H. L. Tsai
Proc. ASME. IMECE2007, Volume 8: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A and B, 1787-1795, November 11–15, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2007-41407
https://doi.org/10.1115/IMECE2007-41407
View Paper titled, Modeling of Three-Dimensional Gas Metal Arc Welding With Groove
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Topics: Gas metal arc welding, Modeling, Drops, Sulfur, Base metals, Electric arcs, Electromagnetic force, Filler metals, Fillers (Materials), Flow (Dynamics)
Proceedings Papers

Modeling the Transport Phenomena in Moving 3-D Dual-Beam Laser Keyhole Welding

J. Zhou, H. L. Tsai, P. C. Wang
Proc. ASME. HT2005, Heat Transfer: Volume 3, 263-270, July 17–22, 2005
Publisher: American Society of Mechanical Engineers
Paper No: HT2005-72201
https://doi.org/10.1115/HT2005-72201
View Paper titled, Modeling the Transport Phenomena in Moving 3-D Dual-Beam Laser Keyhole Welding
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Topics: Lasers, Modeling, Transport phenomena, Welding, Laser welding, Laser beams, Shapes, Cooling, Dynamics (Mechanics), Errors
Proceedings Papers

Modeling of Ultrashort Pulse-Train Laser Heating of Metal Films

L. Jiang, H. L. Tsai
Proc. ASME. HT2005, Heat Transfer: Volume 3, 253-262, July 17–22, 2005
Publisher: American Society of Mechanical Engineers
Paper No: HT2005-72199
https://doi.org/10.1115/HT2005-72199
View Paper titled, Modeling of Ultrashort Pulse-Train Laser Heating of Metal Films
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Topics: Heating, Lasers, Metals, Modeling, Trains, Electrons, Separation (Technology), Temperature, Absorption, Electrical conductivity
Proceedings Papers

Transport Phenomena and Their Effect on Weld Quality in GMA Welding of Aluminum Alloys

H. Guo, H. L. Tsai, P. C. Wang
Proc. ASME. HT-FED2004, Volume 3, 1075-1084, July 11–15, 2004
Publisher: American Society of Mechanical Engineers
Paper No: HT-FED2004-56733
https://doi.org/10.1115/HT-FED2004-56733
View Paper titled, Transport Phenomena and Their Effect on Weld Quality in GMA Welding of Aluminum Alloys
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Topics: Aluminum alloys, Transport phenomena, Welding, Gas metal arc welding, Microcracks, Modeling, Shapes, Steel, Drops, Dynamics (Mechanics)
Proceedings Papers

Melt Flow and Porosity Formation in Pulsed Laser Keyhole Welding

J. Zhou, H. L. Tsai, P. C. Wang, R. Menassa
Proc. ASME. HT-FED2004, Volume 3, 1065-1073, July 11–15, 2004
Publisher: American Society of Mechanical Engineers
Paper No: HT-FED2004-56732
https://doi.org/10.1115/HT-FED2004-56732
View Paper titled, Melt Flow and Porosity Formation in Pulsed Laser Keyhole Welding
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Topics: Flow (Dynamics), Lasers, Porosity, Welding, Collapse, Solidification, Absorption, Laser welding, Electromagnetic force, Computers
Proceedings Papers

Modeling Heat and Mass Transfer and Fluid Flow in Three-Dimensional Gas Metal Arc Welding

Y. Wang, H. L. Tsai, S. P. Marin, P. C. Wang
Proc. ASME. IMECE2002, Manufacturing, 385-400, November 17–22, 2002
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2002-32335
https://doi.org/10.1115/IMECE2002-32335
View Paper titled, Modeling Heat and Mass Transfer and Fluid Flow in Three-Dimensional Gas Metal Arc Welding
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Topics: Fluid dynamics, Gas metal arc welding, Heat, Mass transfer, Modeling, Drops, Welding, Electric arcs, Electromagnetic force, Fillers (Materials)
Proceedings Papers

Fluid Flow and Weld Pool Dynamics in Dual-Beam Laser Keyhole Welding

J. Hu, H. L. Tsai
Proc. ASME. IMECE2003, Heat Transfer, Volume 3, 151-159, November 15–21, 2003
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2003-41711
https://doi.org/10.1115/IMECE2003-41711
View Paper titled, Fluid Flow and Weld Pool Dynamics in Dual-Beam Laser Keyhole Welding
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Topics: Dynamics (Mechanics), Fluid dynamics, Lasers, Welding, Shapes, Laser beams, Laser welding, Carbon dioxide lasers, Metals, Nd-YAG lasers
Proceedings Papers

Modeling the Transport Phenomena During Hybrid Laser-MIG Welding Process

Z. Zhou, W. H. Zhang, H. L. Tsai, S. P. Marin, P. C. Wang, R. Menassa
Proc. ASME. IMECE2003, Heat Transfer, Volume 3, 161-168, November 15–21, 2003
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2003-41763
https://doi.org/10.1115/IMECE2003-41763
View Paper titled, Modeling the Transport Phenomena During Hybrid Laser-MIG Welding Process
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Topics: Lasers, Modeling, Transport phenomena, Welding, Absorption, Drops, Dynamics (Mechanics), Fluid dynamics, Shapes, Computers
Proceedings Papers

Transport Phenomena and Defect Formation in Laser Welding of Zinc-Coated Steels

J. Zhou, H. L. Tsai, P. C. Wang
Proc. ASME. IMECE2004, Heat Transfer, Volume 3, 379-387, November 13–19, 2004
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2004-59286
https://doi.org/10.1115/IMECE2004-59286
View Paper titled, Transport Phenomena and Defect Formation in Laser Welding of Zinc-Coated Steels
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Topics: Laser welding, Steel, Transport phenomena, Vapors, Collapse, Lasers, Solidification, Metals, Welding, Bubbles
Proceedings Papers

Ultrafast Photon-Electron Interactions in Dielectrics by a Single Laser Pulse

L. Jiang, H. L. Tsai
Proc. ASME. IMECE2004, Heat Transfer, Volume 3, 389-398, November 13–19, 2004
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2004-59288
https://doi.org/10.1115/IMECE2004-59288
View Paper titled, Ultrafast Photon-Electron Interactions in Dielectrics by a Single Laser Pulse
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Topics: Dielectric materials, Electrons, Lasers, Photons, Ablation (Vaporization technology), Absorption, Ionization, Aluminum, Borosilicate glasses, Density
Proceedings Papers

Transport Phenomena and the Associated Humping Formation in Laser Welding

J. Zhou, H. L. Tsai, P. C. Wang
Proc. ASME. IMECE2005, Heat Transfer, Part B, 945-953, November 5–11, 2005
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2005-81766
https://doi.org/10.1115/IMECE2005-81766
View Paper titled, Transport Phenomena and the Associated Humping Formation in Laser Welding
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Topics: Laser welding, Transport phenomena, Welding, Flow (Dynamics), Solidification, Lasers, Liquid metals, Collapse, Errors, Heat transfer
Proceedings Papers

Modeling the Femtosecond Laser Pulse-Train Ablation of Dielectrics

L. Jiang, H. L. Tsai
Proc. ASME. IMECE2005, Heat Transfer, Part B, 955-962, November 5–11, 2005
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2005-81774
https://doi.org/10.1115/IMECE2005-81774
View Paper titled, Modeling the Femtosecond Laser Pulse-Train Ablation of Dielectrics
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Topics: Ablation (Vaporization technology), Dielectric materials, Lasers, Modeling, Trains, Fluctuations (Physics), Fluence (Radiation measurement), Micromachining, Nanostructures , Plasmas (Ionized gases)
Proceedings Papers

Fabrication of Optical Microlenses in Glass Using a Femtosecond Laser for LBA-on-a-Chip Applications

Y. Cheng, H. L. Tsai
Proc. ASME. IMECE2006, Heat Transfer, Volume 2, 657-660, November 5–10, 2006
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2006-15622
https://doi.org/10.1115/IMECE2006-15622
View Paper titled, Fabrication of Optical Microlenses in Glass Using a Femtosecond Laser for LBA-on-a-Chip Applications
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Topics: Glass, Lasers, Manufacturing, Chemical etching, Helium-neon lasers, Micromachining, Photochromic materials