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Proceedings Papers

A Convolutional Neural Network (CNN) for Defect Detection of Additively Manufactured Parts

Mohammad Masud Parvez, Musarrat Farzana Rahman, Shaikat M. Galib, Frank Liou

Proc. ASME. IMECE2021, Volume 2A: Advanced Manufacturing, V02AT02A010, November 1–5, 2021

Paper No: IMECE2021-70500

DOI: https://doi.org/10.1115/IMECE2021-70500

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Topics: Additive manufacturing, Artificial neural networks, Flaw detection, Porosity

Journal Articles

Multifeature-Fitting and Shape-Adaption Algorithm for Component Repair

Renwei Liu, Zhiyuan Wang, Frank Liou

J. Manuf. Sci. Eng. February 2018, 140(2): 021003.

Paper No: MANU-17-1105

DOI: https://doi.org/10.1115/1.4037107

Published Online: December 18, 2017

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Topics: Algorithms, Cross section (Physics), Fittings, Fracture (Materials), Geometry, Shapes, Maintenance, Construction, Density

Proceedings Papers

Non Prismatic Air-Breathing Fuel Cells: Concept, Design and Manufacturing

Sriram Praneeth Isanaka, Fuewen Frank Liou, Joseph W. Newkirk

Proc. ASME. IDETC-CIE2015, Volume 2A: 41st Design Automation Conference, V02AT03A016, August 2–5, 2015

Paper No: DETC2015-46493

DOI: https://doi.org/10.1115/DETC2015-46493

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Topics: Design, Fuel cells, Manufacturing, Flow (Dynamics), Weight (Mass), Engineering prototypes, Flat plates, Proton exchange membranes, Anodes, Cross section (Physics)

Proceedings Papers

Contrast of Repair Capabilities Between Laser Metal Deposition and TIG Welding on Ti-6Al-4V

Sreekar Karnati, Sai Aravind Palepu, Todd Sparks, Frank Liou, Cedo Nedic

Proc. ASME. IDETC-CIE2014, Volume 4: 19th Design for Manufacturing and the Life Cycle Conference; 8th International Conference on Micro- and Nanosystems, V004T06A010, August 17–20, 2014

Paper No: DETC2014-35524

DOI: https://doi.org/10.1115/DETC2014-35524

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Topics: Gas tungsten arc welding, Lasers, Maintenance, Metals, Additive manufacturing, Aerospace industry, Testing, Alloys, Deformation, Grain size

Proceedings Papers

Study of Ultrasonic Vibration Laser Metal Deposition Process

Xueyong Chen, Todd Sparks, Jianzhong Ruan, Frank Liou

Proc. ASME. ISFA2012, ASME/ISCIE 2012 International Symposium on Flexible Automation, 445-450, June 18–20, 2012

Paper No: ISFA2012-7124

DOI: https://doi.org/10.1115/ISFA2012-7124

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Topics: Lasers, Metals, Vibration, Experimental design, Microhardness, Oscillating frequencies, Stainless steel, Vibration equipment

Proceedings Papers

2-D Path Planning for Direct Laser Deposition Process

Swathi Routhu, Divya Kanakanala, Jianzhong Ruan, Xiaoqing Frank Liu, Frank Liou

Proc. ASME. IDETC-CIE2010, Volume 1: 36th Design Automation Conference, Parts A and B, 415-423, August 15–18, 2010

Paper No: DETC2010-28440

DOI: https://doi.org/10.1115/DETC2010-28440

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Topics: Lasers, Path planning, Metals, Machining

Proceedings Papers

A Multi-Axis Slicing Method for Direct Laser Deposition Process

Divya Kanakanala, Swathi Routhu, Jianzhong Ruan, Xiaoqing Frank Liu, Frank Liou

Proc. ASME. IDETC-CIE2010, Volume 1: 36th Design Automation Conference, Parts A and B, 425-432, August 15–18, 2010

Paper No: DETC2010-28442

DOI: https://doi.org/10.1115/DETC2010-28442

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Topics: Lasers, Metals, Geometry, Machining

Proceedings Papers

The Effect of Toolpath Intersection Angle in Metal Deposition

Jianzhong Ruan, Andrew Hayes, Todd E. Sparks, Frank Liou

Proc. ASME. IDETC-CIE2009, Volume 5: 35th Design Automation Conference, Parts A and B, 579-586, August 30–September 2, 2009

Paper No: DETC2009-87335

DOI: https://doi.org/10.1115/DETC2009-87335

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Topics: Metals

Proceedings Papers

Selection of Part Orientation for Multi-Axis Hybrid Manufacturing Process

Jianzhong Ruan, Jun Zhang, Frank Liou

Proc. ASME. IDETC-CIE2009, Volume 5: 35th Design Automation Conference, Parts A and B, 587-596, August 30–September 2, 2009

Paper No: DETC2009-87370

DOI: https://doi.org/10.1115/DETC2009-87370

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Topics: Manufacturing, Algorithms, Computation, Lasers

Journal Articles

Integrated Process Planning for a Multiaxis Hybrid Manufacturing System

Lan Ren, Todd Sparks, Jianzhong Ruan, Frank Liou

J. Manuf. Sci. Eng. April 2010, 132(2): 021006.

DOI: https://doi.org/10.1115/1.4001122

Published Online: March 30, 2010

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Topics: Collisions (Physics), Computer-aided design, Machining, Manufacturing, Manufacturing systems, Production planning, Algorithms, Finishes, Lasers, Computer numerical control machine tools

Proceedings Papers

Direct 3D Layer Metal Deposition and Toolpath Generation

Jianzhong Ruan, Lie Tang, Todd E. Sparks, Robert G. Landers, Frank Liou

Proc. ASME. IDETC-CIE2008, Volume 1: 34th Design Automation Conference, Parts A and B, 597-603, August 3–6, 2008

Paper No: DETC2008-50062

DOI: https://doi.org/10.1115/DETC2008-50062

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Topics: Metals, Machining, Manufacturing, Shapes, Construction, Geometry, Lasers, Rapid prototyping, Stereolithography

Proceedings Papers

Variable Powder Flow Rate Control in Laser Metal Deposition Processes

Lie Tang, Jianzhong Ruan, Robert G. Landers, Frank Liou

Proc. ASME. DSCC2008, ASME 2008 Dynamic Systems and Control Conference, Parts A and B, 95-102, October 20–22, 2008

Paper No: DSCC2008-2112

DOI: https://doi.org/10.1115/DSCC2008-2112

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Topics: Flow (Dynamics), Lasers, Metals, Engines, Motors, Cladding systems (Building), Control equipment, Dynamic models, Kalman filters, Nozzles

Proceedings Papers

Adaptive Deposition Coverage Toolpath Planning for Metal Deposition Process

Lan Ren, Jianzhong Ruan, Kunnayut Eiamsa-ard, Frank Liou

Proc. ASME. IDETC-CIE2007, Volume 6: 33rd Design Automation Conference, Parts A and B, 413-419, September 4–7, 2007

Paper No: DETC2007-34445

DOI: https://doi.org/10.1115/DETC2007-34445

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Topics: Metals, Geometry, Manufacturing, Path planning, Reliability

Proceedings Papers

Numerical and Analytical Modeling of Laser Deposition With Preheating

Zhiqiang Fan, Jacquelyn K. Stroble, Jianzhong Ruan, Todd E. Sparks, Frank Liou

Proc. ASME. MSEC2007, ASME 2007 International Manufacturing Science and Engineering Conference, 37-51, October 15–18, 2007

Paper No: MSEC2007-31089

DOI: https://doi.org/10.1115/MSEC2007-31089

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Topics: Lasers, Modeling, Analytical methods, Computer simulation, Computer-aided design, Dynamics (Mechanics), Heat transfer, Laser materials, Manufacturing, Simulation

Proceedings Papers

Part Repairing Using a Hybrid Manufacturing System

Lan Ren, Kunnayut Eiamsa-ard, Jianzhong Ruan, Frank Liou

Proc. ASME. MSEC2007, ASME 2007 International Manufacturing Science and Engineering Conference, 1-8, October 15–18, 2007

Paper No: MSEC2007-31003

DOI: https://doi.org/10.1115/MSEC2007-31003

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Topics: Maintenance, Manufacturing systems, Computer software, Reliability, Welding, Computer numerical control machine tools, Cutting, Lasers, Military systems

Journal Articles

Variable Powder Flow Rate Control in Laser Metal Deposition Processes

Lie Tang, Jianzhong Ruan, Robert G. Landers, Frank Liou

J. Manuf. Sci. Eng. August 2008, 130(4): 041016.

DOI: https://doi.org/10.1115/1.2953074

Published Online: July 22, 2008

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Topics: Flow (Dynamics), Lasers, Engines, Motors

Proceedings Papers

Numerical and Experimental Study of Shielding Gas Orientation Effects on Particle Stream Concentration Mode in Coaxial Laser Aided Material Deposition Process

Heng Pan, Yogesh D. Thakar, Frank Liou

Proc. ASME. IDETC-CIE2004, Volume 1: 30th Design Automation Conference, 21-27, September 28–October 2, 2004

Paper No: DETC2004-57049

DOI: https://doi.org/10.1115/DETC2004-57049

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Topics: Lasers, Particulate matter, Nozzles, Computer simulation, Flow (Dynamics), Design, Gas flow, Modeling, Turbulence

Proceedings Papers

2-D Deposition Pattern and Strategy Study on Rapid Manufacturing

Jianzhong Ruan, Lan Ren, Todd E. Sparks, Frank Liou

Proc. ASME. IDETC-CIE2006, Volume 1: 32nd Design Automation Conference, Parts A and B, 967-973, September 10–13, 2006

Paper No: DETC2006-99326

DOI: https://doi.org/10.1115/DETC2006-99326

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Topics: Geometry, Machining, Manufacturing, Metals, Shapes

Journal Articles

The Investigation of Gravity-Driven Metal Powder Flow in Coaxial Nozzle for Laser-Aided Direct Metal Deposition Process

Heng Pan, Todd Sparks, Yogesh D. Thakar, Frank Liou

J. Manuf. Sci. Eng. May 2006, 128(2): 541–553.

DOI: https://doi.org/10.1115/1.2162588

Published Online: September 18, 2005

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Topics: Flow (Dynamics), Lasers, Nozzles, Particulate matter, Simulation, Turbulence, Metals, Gravity (Force)

Journal Articles

Dynamic Modeling of Powder Delivery Systems in Gravity-Fed Powder Feeders

Heng Pan, Robert G. Landers, Frank Liou

J. Manuf. Sci. Eng. February 2006, 128(1): 337–345.

DOI: https://doi.org/10.1115/1.2120778

Published Online: July 11, 2005

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Topics: Collisions (Physics), Flow (Dynamics), Particulate matter, Simulation, Modeling, Delays, Gravity (Force)

Journal citation

NARROW

A Convolutional Neural Network (CNN) for Defect Detection of Additively Manufactured Parts

Multifeature-Fitting and Shape-Adaption Algorithm for Component Repair

Non Prismatic Air-Breathing Fuel Cells: Concept, Design and Manufacturing

Contrast of Repair Capabilities Between Laser Metal Deposition and TIG Welding on Ti-6Al-4V

Study of Ultrasonic Vibration Laser Metal Deposition Process

2-D Path Planning for Direct Laser Deposition Process

A Multi-Axis Slicing Method for Direct Laser Deposition Process

The Effect of Toolpath Intersection Angle in Metal Deposition

Selection of Part Orientation for Multi-Axis Hybrid Manufacturing Process

Integrated Process Planning for a Multiaxis Hybrid Manufacturing System

Direct 3D Layer Metal Deposition and Toolpath Generation

Variable Powder Flow Rate Control in Laser Metal Deposition Processes

Adaptive Deposition Coverage Toolpath Planning for Metal Deposition Process

Numerical and Analytical Modeling of Laser Deposition With Preheating

Part Repairing Using a Hybrid Manufacturing System

Variable Powder Flow Rate Control in Laser Metal Deposition Processes

Numerical and Experimental Study of Shielding Gas Orientation Effects on Particle Stream Concentration Mode in Coaxial Laser Aided Material Deposition Process

2-D Deposition Pattern and Strategy Study on Rapid Manufacturing

The Investigation of Gravity-Driven Metal Powder Flow in Coaxial Nozzle for Laser-Aided Direct Metal Deposition Process

Dynamic Modeling of Powder Delivery Systems in Gravity-Fed Powder Feeders

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