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Journal Articles

Existence of Universal Phase Diagrams for Describing General Pore Shape Resulting From an Entrapped Bubble During Solidification

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P. S. Wei, C. C. Chang
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Technical Briefs
J. Heat Mass Transfer. October 2016, 138(10): 104503.
Paper No: HT-16-1161
https://doi.org/10.1115/1.4033499
Published Online: June 7, 2016
View Articletitled, Existence of Universal Phase Diagrams for Describing General Pore Shape Resulting From an Entrapped Bubble During Solidification
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Topics: Bubbles, Phase diagrams, Shapes, Solidification
Journal Articles

The Effects of Entrainment on Pore Shape in Keyhole Mode Welding

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P. S. Wei, T. C. Chao
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. August 2015, 137(8): 082102.
Paper No: HT-14-1488
https://doi.org/10.1115/1.4029039
Published Online: August 1, 2015
View Articletitled, The Effects of Entrainment on Pore Shape in Keyhole Mode Welding
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Topics: Pressure, Shapes, Temperature, Welding, Flow (Dynamics), Vapors, Collapse, Melting
Journal Articles

Effects of Entrainment on Incapability of High Intensity Beam Drilling

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P. S. Wei, J. H. Wu, T. C. Chao
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. August 2015, 137(8): 082101.
Paper No: HT-14-1134
https://doi.org/10.1115/1.4029086
Published Online: August 1, 2015
View Articletitled, Effects of Entrainment on Incapability of High Intensity Beam Drilling
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Topics: Collapse, Drilling, Drops, Flow (Dynamics), Flux (Metallurgy), Mach number, Pressure, Shapes, Subsonic flow, Supersonic flow
Journal Articles

Scaling Weld or Melt Pool Shape Affected by Thermocapillary Convection With High Prandtl Numbers

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P. S. Wei, C. L. Lin, H. J. Liu, T. DebRoy
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. April 2012, 134(4): 042101.
https://doi.org/10.1115/1.4005206
Published Online: February 16, 2012
View Articletitled, Scaling Weld or Melt Pool Shape Affected by Thermocapillary Convection With High Prandtl Numbers
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Topics: Boundary layers, Convection, Corners (Structural elements), Flow (Dynamics), Melting, Shapes, Surface tension, Temperature, Welding, Thermal boundary layers
Journal Articles

Thermal Science of Weld Bead Defects: A Review

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P. S. Wei
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. March 2011, 133(3): 031005.
https://doi.org/10.1115/1.4002445
Published Online: November 15, 2010
View Articletitled, Thermal Science of Weld Bead Defects: A Review
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Topics: Flow (Dynamics), Pressure, Solidification, Surface tension, Waves, Welding, Deformation, Porosity, Temperature, Gas tungsten arc welding
Journal Articles

Effects of Plasma Parameters on the Temperature Field in a Workpiece Experiencing Solid-Liquid Phase Transition

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F. B. Yeh, P. S. Wei
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. September 2005, 127(9): 987–994.
https://doi.org/10.1115/1.1999653
Published Online: April 27, 2005
View Articletitled, Effects of Plasma Parameters on the Temperature Field in a Workpiece Experiencing Solid-Liquid Phase Transition
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Topics: Plasmas (Ionized gases), Temperature, Electrons, Heat conduction, Melting, Ions, Phase transitions
Journal Articles

Modeling Dynamic Electrical Resistance During Resistance Spot Welding

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S. C. Wang, Graduate Student, P. S. Wei, Professor, Fellow ASME
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Technical Papers
J. Heat Mass Transfer. June 2001, 123(3): 576–585.
https://doi.org/10.1115/1.1370502
Published Online: November 28, 2000
View Articletitled, Modeling Dynamic Electrical Resistance During Resistance Spot Welding
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Topics: Contact resistance, Electrodes, Temperature, Welding, Electrical resistance, Boundary-value problems
Journal Articles

Heat Transfer Coefficient in Rapid Solidification of a Liquid Layer on a Substrate

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P. S. Wei, Professor,, F. B. Yeh, Graduate Student
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Technical Papers
J. Heat Mass Transfer. November 2000, 122(4): 792–800.
https://doi.org/10.1115/1.1318208
Published Online: May 8, 2000
View Articletitled, Heat Transfer Coefficient in Rapid Solidification of a Liquid Layer on a Substrate
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Topics: Cooling, Heat transfer, Heat transfer coefficients, Melting, Nucleation (Physics), Solidification, Temperature, Equilibrium (Physics), Specific heat, Thermal conductivity
Journal Articles

Fusion Zone Shapes in Electron-Beam Welding Dissimilar Metals

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P. S. Wei, Professor,, Y. K. Kuo, Graduate Student,, J. S. Ku
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Technical Notes
J. Heat Mass Transfer. August 2000, 122(3): 626–631.
https://doi.org/10.1115/1.1286681
Published Online: January 14, 2000
View Articletitled, Fusion Zone Shapes in Electron-Beam Welding Dissimilar Metals
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Topics: Metals, Welding, Density
Journal Articles

Mass, Momentum, and Energy Transport in a Molten Pool When Welding Dissimilar Metals

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F. K. Chung, P. S. Wei
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. May 1999, 121(2): 451–461.
https://doi.org/10.1115/1.2825999
Published Online: May 1, 1999
View Articletitled, Mass, Momentum, and Energy Transport in a Molten Pool When Welding Dissimilar Metals
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Topics: Metals, Momentum, Welding, Shapes, Temperature, Aluminum, Enthalpy, Flow (Dynamics), Fluid dynamics, Fluids
Journal Articles

Three-Dimensional Electron-Beam Deflection and Missed Joint in Welding Dissimilar Metals

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P. S. Wei, F. K. Chung
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. November 1997, 119(4): 832–839.
https://doi.org/10.1115/1.2824190
Published Online: November 1, 1997
View Articletitled, Three-Dimensional Electron-Beam Deflection and Missed Joint in Welding Dissimilar Metals
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Topics: Cathode ray oscilloscopes, Deflection, Electron beams, Metals, Welding, Cavities, Contact resistance, Currents, Electrical conductivity, Electrons
Journal Articles

Surface Ripple in Electron-Beam Welding Solidification

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P. S. Wei, C. Y. Chang, C. T. Chen
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. November 1996, 118(4): 960–969.
https://doi.org/10.1115/1.2822595
Published Online: November 1, 1996
View Articletitled, Surface Ripple in Electron-Beam Welding Solidification
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Topics: Electron beam welding, Solidification, Welding, Cathode ray oscilloscopes, Electron beams, Flow (Dynamics), Fluid dynamics, Heat transfer, Manufacturing, Materials processing
Journal Articles

Transport Phenomena During Resistance Spot Welding

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P. S. Wei, S. C. Wang, M. S. Lin
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. August 1996, 118(3): 762–773.
https://doi.org/10.1115/1.2822697
Published Online: August 1, 1996
View Articletitled, Transport Phenomena During Resistance Spot Welding
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Topics: Transport phenomena, Welding, Electrodes, Heat, Magnetic fields, Temperature, Contact resistance, Electric current, Electrical conductivity, Electromagnetic force
Journal Articles

Melting Solid Plug Between Two Coaxial Pipes by a Moving Heat Source in the Inner Pipe

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S. A. Fomin, P. S. Wei, V. A. Chugunov
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. November 1994, 116(4): 1028–1033.
https://doi.org/10.1115/1.2911438
Published Online: November 1, 1994
View Articletitled, Melting Solid Plug Between Two Coaxial Pipes by a Moving Heat Source in the Inner Pipe
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Topics: Heat, Melting, Pipes, Design, Modeling, Shapes, Temperature
Journal Articles

Three-Dimensional Analytical Temperature Field Around the Welding Cavity Produced by a Moving Distributed High-Intensity Beam

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P. S. Wei, M. D. Shian
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. November 1993, 115(4): 848–856.
https://doi.org/10.1115/1.2911379
Published Online: November 1, 1993
View Articletitled, Three-Dimensional Analytical Temperature Field Around the Welding Cavity Produced by a Moving Distributed High-Intensity Beam
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Topics: Cavities, Temperature, Welding, Density, Heat, Heat conduction, Lasers, Manufacturing, Materials processing, Momentum
Journal Articles

Factors Affecting Nugget Growth With Mushy-Zone Phase Change During Resistance Spot Welding

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P. S. Wei, F. B. Yeh
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. August 1991, 113(3): 643–649.
https://doi.org/10.1115/1.2910613
Published Online: August 1, 1991
View Articletitled, Factors Affecting Nugget Growth With Mushy-Zone Phase Change During Resistance Spot Welding
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Topics: Welding, Heat, Temperature, Cooling, Electrodes, Electromagnetic force, Fluids, Heat transfer, Joules, Manufacturing
Journal Articles

Erratum: “Investigation of High-Intensity Beam Characteristics on Welding Cavity Shape and Temperature Distribution” (Journal of Heat Transfer, 1990, 112, pp. 163–169)

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P. S. Wei, T. H. Wu, Y. T. Chow
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Errata
J. Heat Mass Transfer. May 1991, 113(2): 295.
https://doi.org/10.1115/1.2910560
Published Online: May 1, 1991
View Articletitled, Erratum: “Investigation of High-Intensity Beam Characteristics on Welding Cavity Shape and Temperature Distribution” (Journal of Heat Transfer, 1990, 112, pp. 163–169)
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Topics: Cavities, Heat transfer, Shapes, Temperature distribution, Welding
Journal Articles

Electron Beam Deflection When Welding Dissimilar Metals

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P. S. Wei, T. W. Lii
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. August 1990, 112(3): 714–720.
https://doi.org/10.1115/1.2910445
Published Online: August 1, 1990
View Articletitled, Electron Beam Deflection When Welding Dissimilar Metals
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Topics: Cathode ray oscilloscopes, Deflection, Electron beams, Metals, Welding, Contact resistance, Electrons, Heat conduction, Magnetic fields, Magnetism
Journal Articles

Axisymmetric Nugget Growth During Resistance Spot Welding

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P. S. Wei, C. Y. Ho
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. May 1990, 112(2): 309–316.
https://doi.org/10.1115/1.2910377
Published Online: May 1, 1990
View Articletitled, Axisymmetric Nugget Growth During Resistance Spot Welding
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Topics: Welding, Currents, Heat, Shapes, Electrodes, Heat losses, Heat transfer, Heating, Joules, Manufacturing
Journal Articles

Investigation of High-Intensity Beam Characteristics on Welding Cavity Shape and Temperature Distribution

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P. S. Wei, T. H. Wu, Y. T. Chow
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. February 1990, 112(1): 163–169.
https://doi.org/10.1115/1.2910339
Published Online: February 1, 1990
View Articletitled, Investigation of High-Intensity Beam Characteristics on Welding Cavity Shape and Temperature Distribution
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Topics: Cavities, Shapes, Temperature distribution, Welding, Equilibrium (Physics), Gaussian distribution, Heat conduction, Heat transfer, Lasers, Manufacturing