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Proceedings Papers

Mechanical Performance Evaluation of the Printed Circuit Heat Exchanger Core Experiments Under Tension and Pressure Loading

Heramb P. Mahajan, Lucas Maciel, Gracious Ngaile, Tasnim Hassan

Proc. ASME. PVP2022, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T03A027, July 17–22, 2022

Paper No: PVP2022-81247

DOI: https://doi.org/10.1115/PVP2022-81247

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Topics: Circuits, Creep, Diffusion bonding (Metals), Equipment performance, Heat exchangers, Pressure, Tension, Temperature, Design, Stress

Journal Articles

Die Design Architecture for Enhancing Tool Life Via Manipulation of the Elastic Strain Field of the Dies During Extrusion Processes

Gracious Ngaile, Daniel Santiago Rodrigues

J. Manuf. Sci. Eng. March 2021, 143(3): 031001.

Paper No: MANU-20-1065

DOI: https://doi.org/10.1115/1.4048265

Published Online: October 9, 2020

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Topics: Design, Extruding, Pressure, Stress, Tooling

Journal Articles

A Novel Hybrid Heating Method for Mechanical Testing of Miniature Specimens at Elevated Temperature

Lin Li, Gracious Ngaile, Tasnim Hassan

J. Micro Nano-Manuf. June 2017, 5(2): 024501.

Paper No: JMNM-16-1045

DOI: https://doi.org/10.1115/1.4035954

Published Online: March 23, 2017

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Topics: Finite element analysis, Heating, Temperature, Temperature distribution

Proceedings Papers

A Novel Hybrid Heating Method for Elevated Temperature Mechanical Testing of Miniature Specimens

Lin Li, Gracious Ngaile, Tasnim Hassan

Proc. ASME. MSEC2016, Volume 1: Processing, V001T02A070, June 27–July 1, 2016

Paper No: MSEC2016-8852

DOI: https://doi.org/10.1115/MSEC2016-8852

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Topics: Heating, Mechanical testing, Temperature, Heat, Electrical resistance, Temperature distribution, Testing, Electric current, Engineering simulation, Finite element analysis

Proceedings Papers

Novel Extrusion Punch Design for Improved Lubrication and Punch Ejection

James Lowrie, Gracious Ngaile

Proc. ASME. MSEC2015, Volume 1: Processing, V001T02A103, June 8–12, 2015

Paper No: MSEC2015-9496

DOI: https://doi.org/10.1115/MSEC2015-9496

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Topics: Design, Extruding, Lubrication, Damage, Galling, Stress, Tooling, Finishes, Microchannels

Proceedings Papers

Enhancement of Tribological Performance via Innovative Tooling Design for Extrusion Processes

James B. Lowrie, Gracious Ngaile

Proc. ASME. MSEC2014, Volume 2: Processing, V002T02A087, June 9–13, 2014

Paper No: MSEC2014-4170

DOI: https://doi.org/10.1115/MSEC2014-4170

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Topics: Design, Extruding, Tooling, Tribology, Friction, Lubricants, Coating processes, Coatings, High pressure (Physics), Stress

Journal Articles

New Micro Tube Hydroforming System Based on Floating Die Assembly Concept

Gracious Ngaile, James Lowrie

J. Micro Nano-Manuf. December 2014, 2(4): 041004.

Paper No: JMNM-14-1036

DOI: https://doi.org/10.1115/1.4028320

Published Online: September 19, 2014

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Topics: Blanks, Design, Fluid pressure, Fluids, Junctions, Manufacturing, Pressure, Sealing (Process), Shapes, Cavities

Proceedings Papers

A Novel Hybrid Process for Drawing Operations

Kyle Pender, Gracious Ngaile

Proc. ASME. MSEC2013, Volume 1: Processing, V001T01A019, June 10–14, 2013

Paper No: MSEC2013-1253

DOI: https://doi.org/10.1115/MSEC2013-1253

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Topics: Electron microscopy, Fluid pressure, Fluids, High pressure (Physics), Lubrication, Manufacturing, Stress

Journal Articles

Advances in Plastic Forming of Metals

Gracious Ngaile, Brad Kinsey

J. Manuf. Sci. Eng. December 2011, 133(6): 060301.

DOI: https://doi.org/10.1115/1.4005461

Published Online: December 27, 2011

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Topics: Computer simulation, Deformation, Manufacturing, Metals, Numerical analysis, Plastics forming, Power presses, Tooling, Innovation, Materials characterization

Journal Articles

Real-Time Friction Error Compensation in Tube Hydroforming Process Control

Gracious Ngaile, Chen Yang, Obadiah Kilonzo

J. Manuf. Sci. Eng. December 2011, 133(6): 061028.

DOI: https://doi.org/10.1115/1.4005430

Published Online: December 27, 2011

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Topics: Error compensation, Friction, Errors, Process control, Shapes

Journal Articles

Preform Design for Tube Hydroforming Based on Wrinkle Formation

Chen Yang, Gracious Ngaile

J. Manuf. Sci. Eng. December 2011, 133(6): 061014.

DOI: https://doi.org/10.1115/1.4005118

Published Online: December 9, 2011

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Topics: Compression, Design, Finite element analysis, Preforms, Pressure, Process design, Stress, Waves, Shapes, Cavities

Proceedings Papers

Real Time Friction Error Compensation in Tube Hydroforming Process Control

Gracious Ngaile, Obadiah Kilonzo, Chen Yang

Proc. ASME. MSEC2011, ASME 2011 International Manufacturing Science and Engineering Conference, Volume 1, 517-526, June 13–17, 2011

Paper No: MSEC2011-50165

DOI: https://doi.org/10.1115/MSEC2011-50165

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Topics: Error compensation, Friction, Process control

Proceedings Papers

Database for Real-Time Loading Path Prediction for Tube Hydroforming Using Multidimensional Cubic Spline Interpolation

Angshuman Ghosh, Karan Deshmukh, Gracious Ngaile

Proc. ASME. MSEC2010, ASME 2010 International Manufacturing Science and Engineering Conference, Volume 1, 609-618, October 12–15, 2010

Paper No: MSEC2010-34099

DOI: https://doi.org/10.1115/MSEC2010-34099

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Topics: Databases, Interpolation, Splines

Proceedings Papers

Preform Design for Forging Processes Based on Geometrical Resemblance

Chen Yang, Gracious Ngaile

Proc. ASME. MSEC2009, ASME 2009 International Manufacturing Science and Engineering Conference, Volume 1, 583-591, October 4–7, 2009

Paper No: MSEC2009-84253

DOI: https://doi.org/10.1115/MSEC2009-84253

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Topics: Design, Finite element analysis, Forging, Preforms, Simulation

Proceedings Papers

Analytical Model for the Characterization of the Guiding Zone Tribotest for Tube Hydroforming

Gracious Ngaile, Chen Yang

Proc. ASME. MSEC2008, ASME 2008 International Manufacturing Science and Engineering Conference, Volume 1, 591-600, October 7–10, 2008

Paper No: MSEC_ICM&P2008-72250

DOI: https://doi.org/10.1115/MSEC_ICMP2008-72250

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Topics: Design, Failure, Finite element methods, Fracture (Materials), Fracture (Process), Friction, Hoop stress, Lubricants, Lubrication, Pressure

Journal Articles

Analytical Model for the Characterization of the Guiding Zone Tribotest for Tube Hydroforming

Gracious Ngaile, Chen Yang

J. Manuf. Sci. Eng. April 2009, 131(2): 021008.

DOI: https://doi.org/10.1115/1.3090888

Published Online: March 18, 2009

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Topics: Friction, Pressure, Stress, Finite element analysis

Proceedings Papers

Enhancing Tribological Conditions in Tube Hydroforming by Using Textured Tubes

Gracious Ngaile, Mark Gariety, Taylan Altan

Proc. ASME. TRIB2004, ASME/STLE 2004 International Joint Tribology Conference, Parts A and B, 1579-1586, October 24–27, 2004

Paper No: TRIB2004-64020

DOI: https://doi.org/10.1115/TRIB2004-64020

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Topics: Tribology, Lubrication, Pressure, Sands, Deformation, Engineering simulation, Finite element analysis, Hydrostatics, Simulation, Surface texture

Proceedings Papers

Influence of Die Surface Texture on Tribological Performace for Tube Hydroforming

Gracious Ngaile, Angel Alvarado

Proc. ASME. WTC2005, World Tribology Congress III, Volume 2, 401-402, September 12–16, 2005

Paper No: WTC2005-63688

DOI: https://doi.org/10.1115/WTC2005-63688

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Topics: Surface texture, Tribology, Industrial lubrication systems, Computer simulation, Design, Fluids, Lubricants, Metal stamping, Stiffness, Tooling

Journal Articles

Performance of Graphite and Boron-Nitride-Silicone Based Lubricants and Associated Lubrication Mechanisms in Warm Forging of Aluminum

Gracious Ngaile, Frank Botz

J. Tribol. April 2008, 130(2): 021801.

DOI: https://doi.org/10.1115/1.2805432

Published Online: April 7, 2008

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Topics: Boron, Graphite, Lubricants, Lubrication, Silicones, Temperature, Forging, Friction

Proceedings Papers

Determination of Micro Channels Die Texturing for Enhancing Tribological Conditions in Tube Hydroforming

Gracious Ngaile, Angel Alvarado

Proc. ASME. IMECE2005, Manufacturing Engineering and Materials Handling, Parts A and B, 305-312, November 5–11, 2005

Paper No: IMECE2005-80868

DOI: https://doi.org/10.1115/IMECE2005-80868

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Topics: Microchannels, Tribology, Design, Computer simulation, Cross section (Physics), Density, Geometry, Mechanical properties, Pressure, Stress

Journal citation

NARROW

Mechanical Performance Evaluation of the Printed Circuit Heat Exchanger Core Experiments Under Tension and Pressure Loading

Die Design Architecture for Enhancing Tool Life Via Manipulation of the Elastic Strain Field of the Dies During Extrusion Processes

A Novel Hybrid Heating Method for Mechanical Testing of Miniature Specimens at Elevated Temperature

A Novel Hybrid Heating Method for Elevated Temperature Mechanical Testing of Miniature Specimens

Novel Extrusion Punch Design for Improved Lubrication and Punch Ejection

Enhancement of Tribological Performance via Innovative Tooling Design for Extrusion Processes

New Micro Tube Hydroforming System Based on Floating Die Assembly Concept

A Novel Hybrid Process for Drawing Operations

Advances in Plastic Forming of Metals

Real-Time Friction Error Compensation in Tube Hydroforming Process Control

Preform Design for Tube Hydroforming Based on Wrinkle Formation

Real Time Friction Error Compensation in Tube Hydroforming Process Control

Database for Real-Time Loading Path Prediction for Tube Hydroforming Using Multidimensional Cubic Spline Interpolation

Preform Design for Forging Processes Based on Geometrical Resemblance

Analytical Model for the Characterization of the Guiding Zone Tribotest for Tube Hydroforming

Analytical Model for the Characterization of the Guiding Zone Tribotest for Tube Hydroforming

Enhancing Tribological Conditions in Tube Hydroforming by Using Textured Tubes

Influence of Die Surface Texture on Tribological Performace for Tube Hydroforming

Performance of Graphite and Boron-Nitride-Silicone Based Lubricants and Associated Lubrication Mechanisms in Warm Forging of Aluminum

Determination of Micro Channels Die Texturing for Enhancing Tribological Conditions in Tube Hydroforming

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