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Journal Articles

Multiphysics Analysis and Verification of Jet Flight in Electrohydrodynamic Printing for Near-Field Electrospinning Applications

Sanjana Subramaniam, Jian Cao, Kornel Ehmann
Journal: Journal of Micro and Nano-Manufacturing
Publisher: ASME
Article Type: Research-Article
J. Micro Nano-Manuf. September 2023, 11(3): 031003.
Paper No: JMNM-23-1064
https://doi.org/10.1115/1.4065874
Published Online: July 30, 2024
View Article titled, Multiphysics Analysis and Verification of Jet Flight in Electrohydrodynamic Printing for Near-Field Electrospinning Applications
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Topics: Computer simulation, Electric fields, Electrohydrodynamics, Electrospinning, Flight, Fluids, Nozzles, Printing, Pressure, Deformation
Journal Articles

Multi-Pass Laser Polishing of As-Built Directed Energy Deposition Surfaces

Arpan Patel, Samantha Webster, Jian Cao, Kornel Ehmann
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. July 2024, 146(7): 071002.
Paper No: MANU-23-1283
https://doi.org/10.1115/1.4065361
Published Online: May 9, 2024
View Article titled, Multi-Pass Laser Polishing of As-Built Directed Energy Deposition Surfaces
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Topics: Laser micro polishing, Lasers, Microhardness, Polishing, Surface roughness, Particulate matter, Heat, Laser beams
Journal Articles

Effects of Laser-Powder Alignment on Clad Dimension and Melt Pool Temperature in Directed Energy Deposition

Jihoon Jeong, Samantha Webster, Rujing Zha, Jon-Erik Mogonye, Kornel Ehmann, Jian Cao
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. January 2024, 146(1): 011007.
Paper No: MANU-23-1301
https://doi.org/10.1115/1.4063390
Published Online: October 17, 2023
View Article titled, Effects of Laser-Powder Alignment on Clad Dimension and Melt Pool Temperature in Directed Energy Deposition
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Topics: Dimensions, Flow (Dynamics), Lasers, Temperature, Laser beams
Proceedings Papers

Toolmarks-Driven Surface Texture for Coating Attachment With Drag Reduction and Anti-Biofouling Performance

Putong Kang, Shengke Huang, Brandon Beckle, Edwin Saavedra Cifuentes, Leyun Feng, Kyoo-Chul Park, Kornel Ehmann, Jian Cao
Proc. ASME. MSEC2023, Volume 2: Manufacturing Equipment and Automation; Manufacturing Processes; Manufacturing Systems; Nano/Micro/Meso Manufacturing; Quality and Reliability, V002T06A023, June 12–16, 2023
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2023-104899
https://doi.org/10.1115/MSEC2023-104899
View Paper titled, Toolmarks-Driven Surface Texture for Coating Attachment With Drag Reduction and Anti-Biofouling Performance
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Topics: Biofouling, Coating processes, Coatings, Drag reduction, Manufacturing, Surface texture
Journal Articles

Simulation of Ultrashort Laser Pulse Absorption at the Water–Metal Interface in Laser-Induced Plasma Micromachining

Jiaxi Xie, Kornel Ehmann, Jian Cao
Journal: Journal of Micro and Nano-Manufacturing
Publisher: ASME
Article Type: Research-Article
J. Micro Nano-Manuf. December 2020, 8(4): 041009.
Paper No: JMNM-20-1028
https://doi.org/10.1115/1.4049360
Published Online: January 22, 2021
View Article titled, Simulation of Ultrashort Laser Pulse Absorption at the Water–Metal Interface in Laser-Induced Plasma Micromachining
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Topics: Absorption, Electrons, Ionization, Lasers, Metals, Plasmas (Ionized gases), Simulation, Water, Micromachining, Aluminum
Proceedings Papers

Model and Simulation of Laser Pulse Absorption in Laser-Induced Plasma Micro-Machining (LIPMM)

Jiaxi Xie, Kornel Ehmann, Jian Cao
Proc. ASME. MSEC2020, Volume 2: Manufacturing Processes; Manufacturing Systems; Nano/Micro/Meso Manufacturing; Quality and Reliability, V002T08A004, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2020-8242
https://doi.org/10.1115/MSEC2020-8242
View Paper titled, Model and Simulation of Laser Pulse Absorption in Laser-Induced Plasma Micro-Machining (LIPMM)
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Topics: Absorption, Finite difference time-domain analysis, Lasers, Micromachining, Plasmas (Ionized gases), Simulation
Journal Articles

Investigation of the Capabilities of Transverse Magnetic Field Controlled Laser-Induced Plasma Micro-Machining

Yanming Zhang, Yayun Liu, Suman Bhandari, Guojun Zhang, Jianxin Deng, Zhen Zhang, Kornel Ehmann
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. June 2021, 143(6): 061002.
Paper No: MANU-20-1106
https://doi.org/10.1115/1.4049091
Published Online: December 17, 2020
View Article titled, Investigation of the Capabilities of Transverse Magnetic Field Controlled Laser-Induced Plasma Micro-Machining
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Topics: Lasers, Magnetic fields, Plasmas (Ionized gases), Stainless steel, Microscale devices, Micromachining, Machining
Proceedings Papers

Kinematic Calibration and Data-Based Error Compensation of a Parallel Robot-Based Incremental Sheet Forming Machine

Shuheng Liao, Kornel Ehmann, Jian Cao
Proc. ASME. ISFA2020, 2020 International Symposium on Flexible Automation, V001T06A003, July 8–9, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ISFA2020-9622
https://doi.org/10.1115/ISFA2020-9622
View Paper titled, Kinematic Calibration and Data-Based Error Compensation of a Parallel Robot-Based Incremental Sheet Forming Machine
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Topics: Calibration, Error compensation, Forming equipment (Packaging), Kinematics, Robots, Machinery, End effectors, Errors, Artificial neural networks, Feedback
Journal Articles

Surface Morphology and Wall Angle Comparison of Microchannels Fabricated in Titanium Alloy Using Laser-Based Processes

Suman Bhandari, Nicolas Martinez-Prieto, Jian Cao, Kornel Ehmann
Journal: Journal of Micro and Nano-Manufacturing
Publisher: ASME
Article Type: Research-Article
J. Micro Nano-Manuf. June 2020, 8(2): 021001.
Paper No: JMNM-19-1075
https://doi.org/10.1115/1.4046283
Published Online: March 27, 2020
View Article titled, Surface Morphology and Wall Angle Comparison of Microchannels Fabricated in Titanium Alloy Using Laser-Based Processes
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Topics: Laser ablation, Lasers, Microchannels, Titanium alloys, Scanning electron microscopes, Plasmas (Ionized gases), Ablation (Vaporization technology), Finishes
Journal Articles

Sustainable Manufacturing With Cyber-Physical Discrete Manufacturing Networks: Overview and Modeling Framework

Daniel J. Garcia, Mojtaba Mozaffar, Huaqing Ren, Jorge E. Correa, Kornel Ehmann, Jian Cao, Fengqi You
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research-Article
J. Manuf. Sci. Eng. February 2019, 141(2): 021013.
Paper No: MANU-18-1285
https://doi.org/10.1115/1.4041833
Published Online: December 24, 2018
View Article titled, Sustainable Manufacturing With Cyber-Physical Discrete Manufacturing Networks: Overview and Modeling Framework
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Topics: Manufacturing, Sustainability, Emissions
Journal Articles

Repairing Automotive Dies With Directed Energy Deposition: Industrial Application and Life Cycle Analysis

Jennifer Bennett, Daniel Garcia, Marie Kendrick, Travis Hartman, Gregory Hyatt, Kornel Ehmann, Fengqi You, Jian Cao
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research-Article
J. Manuf. Sci. Eng. February 2019, 141(2): 021019.
Paper No: MANU-18-1347
https://doi.org/10.1115/1.4042078
Published Online: December 24, 2018
View Article titled, Repairing Automotive Dies With Directed Energy Deposition: Industrial Application and Life Cycle Analysis
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Topics: Maintenance, Cycles, Life cycle assessment
Journal Articles

Vibration-Assisted Slicing of Soft Tissue for Biopsy Procedures

Marco Giovannini, Xingsheng Wang, Jian Cao, Kornel Ehmann
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Research-Article
J. Med. Devices. September 2018, 12(3): 031006.
Paper No: MED-17-1263
https://doi.org/10.1115/1.4040635
Published Online: July 24, 2018
View Article titled, Vibration-Assisted Slicing of Soft Tissue for Biopsy Procedures
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Topics: Biological tissues, Cutting, Soft tissues, Vibration, Friction, Fracture (Materials), Fracture (Process), Torque, Phantoms
Journal Articles

Mathematical Modeling and Virtual Reality Simulation of Surgical Tool Interactions With Soft Tissue: A Review and Prospective

Kostyantyn Malukhin, Kornel Ehmann
Journal: Journal of Engineering and Science in Medical Diagnostics and Therapy
Publisher: ASME
Article Type: Review Articles
ASME J of Medical Diagnostics. May 2018, 1(2): 020802.
Paper No: JESMDT-17-2055
https://doi.org/10.1115/1.4039417
Published Online: March 21, 2018
View Article titled, Mathematical Modeling and Virtual Reality Simulation of Surgical Tool Interactions With Soft Tissue: A Review and Prospective
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Topics: Biological tissues, Modeling, Surgery, Virtual reality, Cutting, Simulation, Deformation
Journal Articles

Automated Flexible Forming Strategy for Geometries With Multiple Features in Double-Sided Incremental Forming

Ebot Ndip-Agbor, Kornel Ehmann, Jian Cao
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research-Article
J. Manuf. Sci. Eng. March 2018, 140(3): 031004.
Paper No: MANU-17-1246
https://doi.org/10.1115/1.4038511
Published Online: December 21, 2017
View Article titled, Automated Flexible Forming Strategy for Geometries With Multiple Features in Double-Sided Incremental Forming
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Topics: Algorithms, Geometry, Computer-aided design
Journal Articles

Tissue Cutting With Microserrated Biopsy Punches

Marco Giovannini, Huaqing Ren, Xingsheng Wang, Kornel Ehmann
Journal: Journal of Micro and Nano-Manufacturing
Publisher: ASME
Article Type: Research-Article
J. Micro Nano-Manuf. December 2017, 5(4): 041004.
Paper No: JMNM-17-1009
https://doi.org/10.1115/1.4037726
Published Online: September 28, 2017
View Article titled, Tissue Cutting With Microserrated Biopsy Punches
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Proceedings Papers

Deposition of Bead Arrays With Variable Diameter by Self-Focusing of Electrohydrodynamic Jets

Nicolas Martinez-Prieto, Gabriela Fratta, Jian Cao, Kornel Ehmann
Proc. ASME. MSEC2017, Volume 2: Additive Manufacturing; Materials, V002T01A027, June 4–8, 2017
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2017-2893
https://doi.org/10.1115/MSEC2017-2893
View Paper titled, Deposition of Bead Arrays With Variable Diameter by Self-Focusing of Electrohydrodynamic Jets
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Journal Articles

Chip Formation and Force Responses in Linear Rock Cutting: An Experimental Study

Demeng Che, Weizhao Zhang, Kornel Ehmann
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research-Article
J. Manuf. Sci. Eng. January 2017, 139(1): 011011.
Paper No: MANU-16-1113
https://doi.org/10.1115/1.4033905
Published Online: August 15, 2016
View Article titled, Chip Formation and Force Responses in Linear Rock Cutting: An Experimental Study
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Topics: Cutting, Rocks
Journal Articles

Manipulation of Water Jet Trajectory by a Nonuniform Electric Field in Water Jet Material Processing

Satyabrata Mohanty, Kornel Ehmann, Jian Cao
Journal: Journal of Micro and Nano-Manufacturing
Publisher: ASME
Article Type: Research-Article
J. Micro Nano-Manuf. June 2016, 4(2): 021003.
Paper No: JMNM-15-1009
https://doi.org/10.1115/1.4032904
Published Online: March 23, 2016
View Article titled, Manipulation of Water Jet Trajectory by a Nonuniform Electric Field in Water Jet Material Processing
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Topics: Electric fields, Electrodes, Water, Trajectories (Physics), Deflection
Journal Articles

Experimental Assessment of Laser Textured Cutting Tools in Dry Cutting of Aluminum Alloys

Youqiang Xing, Jianxin Deng, Xingsheng Wang, Kornel Ehmann, Jian Cao
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research-Article
J. Manuf. Sci. Eng. July 2016, 138(7): 071006.
Paper No: MANU-15-1341
https://doi.org/10.1115/1.4032263
Published Online: March 8, 2016
View Article titled, Experimental Assessment of Laser Textured Cutting Tools in Dry Cutting of Aluminum Alloys
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Topics: Cutting, Friction, Lasers, Adhesion, Aluminum alloys, Shear (Mechanics), Compression
Proceedings Papers

Experimental and Analytical Study of Micro-Serrations on Surgical Blades

Marco Giovannini, Newell Moser, Kornel Ehmann
Proc. ASME. InterPACK2015, Volume 3: Advanced Fabrication and Manufacturing; Emerging Technology Frontiers; Energy, Health and Water- Applications of Nano-, Micro- and Mini-Scale Devices; MEMS and NEMS; Technology Update Talks; Thermal Management Using Micro Channels, Jets, Sprays, V003T03A004, July 6–9, 2015
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2015-48046
https://doi.org/10.1115/IPACK2015-48046
View Paper titled, Experimental and Analytical Study of Micro-Serrations on Surgical Blades
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Topics: Blades, Surgery, Cutting, Biological tissues, Finite element methods, Friction, Biomedicine, Laser ablation, Machining, Skin