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M. R. Lovell
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Proceedings Papers

Explicit Finite Element Simulation of Granular Flow in an Annular Shear Cell

M. A. Kabir, C. F. Higgs, III, M. R. Lovell, V. Jasti, M. C. Marinack, Jr.
Proc. ASME. IJTC2009, ASME/STLE 2009 International Joint Tribology Conference, 123-125, October 19–21, 2009
Paper No: IJTC2009-15215
DOI: https://doi.org/10.1115/IJTC2009-15215
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Topics: Finite element analysis, Flow (Dynamics), Shear (Mechanics), Simulation, Finite element methods, Wheels, Particulate matter, Aluminum, Die cutting, Disks
Proceedings Papers

Derivation of Reynolds Equation in Cylindrical Coordinates Applicable to Pin-on-Disk and CMP

K. E. Beschorner, C. F. Higgs, III, M. R. Lovell
Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 399-401, October 20–22, 2008
Paper No: IJTC2008-71245
DOI: https://doi.org/10.1115/IJTC2008-71245
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Topics: Disks, Pressure, Navier-Stokes equations, Polishing, Shapes, Tribology
Proceedings Papers

A Mixed-Lubrication Model for Shoe-Floor Friction Applied to Pin-on-Disk Apparatus

K. E. Beschorner, M. R. Lovell, C. Fred Higgs, III, M. S. Redfern
Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 143-145, October 20–22, 2008
Paper No: IJTC2008-71244
DOI: https://doi.org/10.1115/IJTC2008-71244
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Topics: Disks, Friction, Lubrication, Fluids, Stress, Pressure, Accidents, Contact mechanics, Iterative methods, Materials properties
Proceedings Papers

Contact Force Simulation of Granular Media Using Explicit Finite Element Method

M. A. Kabir, C. F. Higgs, M. R. Lovell
Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 163-164, October 20–22, 2008
Paper No: IJTC2008-71299
DOI: https://doi.org/10.1115/IJTC2008-71299
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Topics: Finite element methods, Simulation, Stress
Proceedings Papers

On the Modeling of Friction in Micromachining Processes

M. R. Lovell, P. H. Cohen, R. Shankar
Proc. ASME. IJTC2007, ASME/STLE 2007 International Joint Tribology Conference, Parts A and B, 733-735, October 22–24, 2007
Paper No: IJTC2007-44196
DOI: https://doi.org/10.1115/IJTC2007-44196
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Topics: Friction, Micromachining, Modeling, Machining, Shear (Mechanics), Brass (Metal), Cutting, Microscale devices, Steel, Stress
Proceedings Papers

Shoe-Floor Frictional Properties for Varying Sliding Speed, Pressure and Contaminant

K. E. Beschorner, M. R. Lovell, M. S. Redfern
Proc. ASME. IJTC2007, ASME/STLE 2007 International Joint Tribology Conference, Parts A and B, 961-963, October 22–24, 2007
Paper No: IJTC2007-44363
DOI: https://doi.org/10.1115/IJTC2007-44363
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Topics: Pressure, Friction, Stress, Tribometers, Urethane elastomers, Biomechanics, Data acquisition systems, Fluids, Rotating disks, Shapes
Journal Articles

Experimental Characterization of Sliding Friction: Crossing From Deformation to Plowing Contact

M. R. Lovell, Zhi Deng, M. M. Khonsari
Journal: Journal of Tribology
Article Type: Technical Papers
J. Tribol. October 2000, 122(4): 856–863.
DOI: https://doi.org/10.1115/1.1286217
Published Online: January 6, 2000
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Topics: Deformation, Disks, Friction, Lubricants, Pressure, Shear (Mechanics), Sliding friction, Stress, Shapes, Aluminum
Journal Articles

On the Frictional Characteristics of Ball Bearings Coated With Solid Lubricants

M. R. Lovell, M. M. Khonsari
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. October 1999, 121(4): 761–767.
DOI: https://doi.org/10.1115/1.2834133
Published Online: October 1, 1999
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Topics: Ball bearings, Lubricants, Coatings, Finite element methods, Finite element model, Friction, Bearings, Durability, Engineering simulation, Simulation
Journal Articles

Frictional Analysis of MoS 2 Coated Ball Bearings: A Three-Dimensional Finite Element Analysis

M. R. Lovell, M. M. Khonsari, R. D. Marangoni
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. October 1997, 119(4): 754–763.
DOI: https://doi.org/10.1115/1.2833881
Published Online: October 1, 1997
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Topics: Ball bearings, Finite element analysis, Bearings, Friction, Finite element model, Instrumentation, Stress
Journal Articles

Parameter Identification of Hysteresis Friction for Coated Ball Bearings Based on Three-Dimensional FEM Analysis

M. R. Lovell, M. M. Khonsari, R. D. Marangoni
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. July 1997, 119(3): 462–470.
DOI: https://doi.org/10.1115/1.2833520
Published Online: July 1, 1997
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Topics: Ball bearings, Finite element model, Friction, Steel, Finite element analysis, Bearings, Coatings, Regression analysis, Stress, Torque
Journal Articles

Dynamic Friction Measurements of MoS 2 Coated Ball Bearing Surfaces

M. R. Lovell, M. M. Khonsari, R. D. Marangoni
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. October 1996, 118(4): 858–864.
DOI: https://doi.org/10.1115/1.2831619
Published Online: October 1, 1996
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Topics: Ball bearings, Sliding friction, Friction, Bearings, Torque, Coatings, Instrumentation, Lubricants, Silicon nitride ceramics, Steel
Journal Articles

Comparison of the Low-Speed Frictional Characteristics of Silicon Nitride and Steel Balls Using Conventional Lubricants

M. R. Lovell, M. M. Khonsari, R. D. Marangoni
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. January 1996, 118(1): 43–51.
DOI: https://doi.org/10.1115/1.2837091
Published Online: January 1, 1996
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Topics: Lubricants, Silicon nitride ceramics, Steel, Ceramics, Friction, Torque, Fluid films, Lubrication, Stress
Journal Articles

The Response of Balls Undergoing Oscillatory Motion: Crossing From Boundary to Mixed Lubrication Regimes

M. R. Lovell, M. M. Khonsari, R. D. Marangoni
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. April 1993, 115(2): 261–266.
DOI: https://doi.org/10.1115/1.2921000
Published Online: April 1, 1993
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Topics: Lubrication, Ball bearings, Torque, Bearings, Friction, Instrumentation, Rolling friction, Aerospace industry, Boundary lubrication, Elastohydrodynamic lubrication
Journal Articles

Evaluation of Ultra-Low-Speed Jitter in Rolling Balls

M. R. Lovell, M. M. Khonsari, R. D. Marangoni
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. July 1992, 114(3): 589–594.
DOI: https://doi.org/10.1115/1.2920921
Published Online: July 1, 1992
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Topics: Jitter, Torque, Bearings, Friction, Ball bearings, Testing, Dynamics (Mechanics), Lubrication, Rolling friction, Rotation