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Proceedings Papers

A Discrete Dislocation Plasticity Analysis of Plane-Strain Indentation of a Single-Crystal Half-Space by a Smooth and a Rough Rigid Asperity

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X. Yin, K. Komvopoulos
Proc. ASME. IJTC2010, STLE/ASME 2010 International Joint Tribology Conference, 415-417, October 17–20, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2010-41155
https://doi.org/10.1115/IJTC2010-41155
View Paper titled, A Discrete Dislocation Plasticity Analysis of Plane-Strain Indentation of a Single-Crystal Half-Space by a Smooth and a Rough Rigid Asperity
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Topics: Crystals, Dislocations, Plane strain, Plasticity, Surface roughness, Stress, Fractals, Deformation, Density, Dislocation density
Proceedings Papers

Transient Friction Effects Due to Variable Normal Load in a Multi-Scale Asperity-Creep Friction Model

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Andreas Goedecke, Randolf Mock
Proc. ASME. IJTC2010, STLE/ASME 2010 International Joint Tribology Conference, 337-339, October 17–20, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2010-41190
https://doi.org/10.1115/IJTC2010-41190
View Paper titled, Transient Friction Effects Due to Variable Normal Load in a Multi-Scale Asperity-Creep Friction Model
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Topics: Creep, Friction, Stress, Transients (Dynamics), Fractals, Yield strength
Proceedings Papers

An Abrasive Wear Model of Fractal Surfaces Based on the Slip–Line Theory of Plasticity

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X. Yin, K. Komvopoulos
Proc. ASME. IJTC2009, ASME/STLE 2009 International Joint Tribology Conference, 321-323, October 19–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2009-15121
https://doi.org/10.1115/IJTC2009-15121
View Paper titled, An Abrasive Wear Model of Fractal Surfaces Based on the Slip–Line Theory of Plasticity
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Topics: Fractals, Plasticity, Wear, Adhesion, Surface roughness, Lubrication, Materials properties, Particulate matter, Stress
Proceedings Papers

Analytical Results for the Resolution-Dependent Progression of Contact Area in a Multi-Scale Contact Model

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A. Goedecke, R. L. Jackson, R. Mock
Proc. ASME. IJTC2009, ASME/STLE 2009 International Joint Tribology Conference, 355-357, October 19–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2009-15179
https://doi.org/10.1115/IJTC2009-15179
View Paper titled, Analytical Results for the Resolution-Dependent Progression of Contact Area in a Multi-Scale Contact Model
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Topics: Resolution (Optics), Surface roughness, Construction, Diffusion (Physics), Fractals, Stress
Proceedings Papers

A Study of the Average Real Contact Pressure Between Rough Surfaces

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Robert L. Jackson, W. Everett Wilson, Santosh Angadi
Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 585-587, October 20–22, 2008
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2008-71179
https://doi.org/10.1115/IJTC2008-71179
View Paper titled, A Study of the Average Real Contact Pressure Between Rough Surfaces
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Topics: Pressure, Surface roughness, Contact resistance, Fatigue life, Fractals, Friction, Stress, Wavelets, Wear
Proceedings Papers

Optimum Roughness for Minimum Adhesion

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D.-L. Liu, J. Martin, N. A. Burnham
Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 593-595, October 20–22, 2008
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2008-71192
https://doi.org/10.1115/IJTC2008-71192
View Paper titled, Optimum Roughness for Minimum Adhesion
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Topics: Adhesion, Surface roughness, Adhesives, Atomic force microscopy, Fractals, Cantilevers, Computer software, Contact mechanics, Microelectromechanical systems, Nanoscale phenomena
Proceedings Papers

Nanoscale Design of Adaptive Tribological Coatings

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Liming Pan, Ben Dawson, Jacqueline Krim, Colin Baker, James Pearson, Mohammed Zikry, Andrey Vovoedin
Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 65-67, October 20–22, 2008
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2008-71196
https://doi.org/10.1115/IJTC2008-71196
View Paper titled, Nanoscale Design of Adaptive Tribological Coatings
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Topics: Coatings, Design, Nanoscale phenomena, Tribology, Grain size, Wear, Nanocomposites, Crystals, Fractals, Friction
Proceedings Papers

A Plasticity Index, a Plasticity Number, and the Distribution of the Plastic Deformation Depth Based on a Fractal-Regular Contact Model

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Shao Wang, Huyi Wang
Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 597-599, October 20–22, 2008
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2008-71199
https://doi.org/10.1115/IJTC2008-71199
View Paper titled, A Plasticity Index, a Plasticity Number, and the Distribution of the Plastic Deformation Depth Based on a Fractal-Regular Contact Model
Open the PDF for A Plasticity Index, a Plasticity Number, and the Distribution of the Plastic Deformation Depth Based on a Fractal-Regular Contact Model in another window
Topics: Deformation, Fractals, Plasticity, Density, Stress, Surface roughness
Proceedings Papers

An Adhesive Wear Model of Fractal Surfaces in Normal Contact

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X. Yin, K. Komvopoulos
Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 529-531, October 20–22, 2008
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2008-71063
https://doi.org/10.1115/IJTC2008-71063
View Paper titled, An Adhesive Wear Model of Fractal Surfaces in Normal Contact
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Topics: Adhesives, Fractals, Wear, Adhesion, Stress, Deformation, Lubrication, Materials properties, Particulate matter, Surface energy
Proceedings Papers

A Microcontact Model Developed for Asperity Heights With a Variable Profile Fractal Dimension, a Surface Fractal Dimension, Topothesy, and Non-Gaussian Distribution

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Jen Luen Liou, Jen Fin Lin
Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 549-551, October 20–22, 2008
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2008-71086
https://doi.org/10.1115/IJTC2008-71086
View Paper titled, A Microcontact Model Developed for Asperity Heights With a Variable Profile Fractal Dimension, a Surface Fractal Dimension, Topothesy, and Non-Gaussian Distribution
Open the PDF for A Microcontact Model Developed for Asperity Heights With a Variable Profile Fractal Dimension, a Surface Fractal Dimension, Topothesy, and Non-Gaussian Distribution in another window
Topics: Dimensions, Fractals, Deformation, Surface roughness, Cross section (Physics), Separation (Technology)
Proceedings Papers

Scale-Dependent Contact Deformation of Layered Media Due to Multi-Wavelength Surface Roughness Effects

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K. Komvopoulos
Proc. ASME. IJTC2007, ASME/STLE 2007 International Joint Tribology Conference, Parts A and B, 1077-1079, October 22–24, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2007-44420
https://doi.org/10.1115/IJTC2007-44420
View Paper titled, Scale-Dependent Contact Deformation of Layered Media Due to Multi-Wavelength Surface Roughness Effects
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Topics: Deformation, Surface roughness, Wavelength, Constitutive equations, Contact mechanics, Fractals
Proceedings Papers

Fractal-Regular Surface Characterization Based on Experimental Data From Atomic Force Microscopy of Hard Disks

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Anne Sasikanth, Shao Wang
Proc. ASME. IJTC2007, ASME/STLE 2007 International Joint Tribology Conference, Parts A and B, 585-587, October 22–24, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2007-44356
https://doi.org/10.1115/IJTC2007-44356
View Paper titled, Fractal-Regular Surface Characterization Based on Experimental Data From Atomic Force Microscopy of Hard Disks
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Topics: Atomic force microscopy, Disks, Fractals, Surface characterization, Spectral energy distribution, Shapes, Dimensions
Proceedings Papers

Experimental and Theoretical Studies of the Fractal Scaling Parameter and the Lateral Scale Dependence of the Asperity Interference

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Shao Wang, Yi Hui Leong
Proc. ASME. IJTC2007, ASME/STLE 2007 International Joint Tribology Conference, Parts A and B, 553-555, October 22–24, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2007-44154
https://doi.org/10.1115/IJTC2007-44154
View Paper titled, Experimental and Theoretical Studies of the Fractal Scaling Parameter and the Lateral Scale Dependence of the Asperity Interference
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Topics: Fractals, Spectral energy distribution, Fast Fourier transforms, Modeling
Proceedings Papers

Adhesion Analysis for MEMS Based on Electrical Contact Resistance Measurements

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L. Kogut, K. Komvopoulos
Proc. ASME. TRIB2003, Contact Mechanics, 85-87, October 26–29, 2003
Publisher: American Society of Mechanical Engineers
Paper No: 2003-TRIB-0271
https://doi.org/10.1115/2003-TRIB-0271
View Paper titled, Adhesion Analysis for MEMS Based on Electrical Contact Resistance Measurements
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Topics: Adhesion, Contact resistance, Microelectromechanical systems, Atomic force microscopy, Surface energy, Biology, Disks, Fractals, Imaging, Nanotechnology
Proceedings Papers

Nanoindentations on SrTiO 3 Substrates: Effects of Fractal Roughness on Contact Mechanics

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Renato Buzio, Karolina Malyska, Zygmunt Rymuza, Corrado Boragno, Francesco Buatier de Mongeot, Ugo Valbusa
Proc. ASME. TRIB2003, Contact Mechanics, 129-132, October 26–29, 2003
Publisher: American Society of Mechanical Engineers
Paper No: 2003-TRIB-0279
https://doi.org/10.1115/2003-TRIB-0279
View Paper titled, Nanoindentations on SrTiO 3 Substrates: Effects of Fractal Roughness on Contact Mechanics
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Topics: Contact mechanics, Fractals, Nanoindentation, Surface roughness, Deformation, Cycles, Displacement, Geometry, Modeling, Stress
Proceedings Papers

A Solution for Lightly Loaded Adhesive Rough Surfaces With Application to MEMS

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Clint A. Morrow, Michael R. Lovell
Proc. ASME. TRIB2004, ASME/STLE 2004 International Joint Tribology Conference, Parts A and B, 1245-1268, October 24–27, 2004
Publisher: American Society of Mechanical Engineers
Paper No: TRIB2004-64152
https://doi.org/10.1115/TRIB2004-64152
View Paper titled, A Solution for Lightly Loaded Adhesive Rough Surfaces With Application to MEMS
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Topics: Adhesives, Microelectromechanical systems, Surface roughness, Adhesion, Fractals, Geometry, Physics, Polysilicon, Simulation, Stiction
Proceedings Papers

Elastic Contact Stiffness and Contact Resistance for Fractal Profiles

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M. Ciavarella, J. R. Barber
Proc. ASME. TRIB2004, ASME/STLE 2004 International Joint Tribology Conference, Parts A and B, 103-106, October 24–27, 2004
Publisher: American Society of Mechanical Engineers
Paper No: TRIB2004-64357
https://doi.org/10.1115/TRIB2004-64357
View Paper titled, Elastic Contact Stiffness and Contact Resistance for Fractal Profiles
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Topics: Contact resistance, Fractals, Stiffness, Electrical conductance, Surface roughness, Stress, Gaussian distribution, Resolution (Optics), Separation (Technology), Theorems (Mathematics)
Proceedings Papers

Thermomechanical Analysis of Semi-Infinite Solid in Sliding Contact With a Fractal Surface

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Z.-Q. Gong, K. Komvopoulos
Proc. ASME. TRIB2004, ASME/STLE 2004 International Joint Tribology Conference, Parts A and B, 1307-1318, October 24–27, 2004
Publisher: American Society of Mechanical Engineers
Paper No: TRIB2004-64215
https://doi.org/10.1115/TRIB2004-64215
View Paper titled, Thermomechanical Analysis of Semi-Infinite Solid in Sliding Contact With a Fractal Surface
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Topics: Fractals, Thermomechanics, Pressure, Heating, Stress, Surface roughness, Temperature, Cracking (Materials), Deformation, Fracture (Process)
Proceedings Papers

Prediction of Nano-Scale Wear: An Analytical Approach

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S. K. Roy Chowdhury
Proc. ASME. TRIB2004, ASME/STLE 2004 International Joint Tribology Conference, Parts A and B, 1319-1325, October 24–27, 2004
Publisher: American Society of Mechanical Engineers
Paper No: TRIB2004-64225
https://doi.org/10.1115/TRIB2004-64225
View Paper titled, Prediction of Nano-Scale Wear: An Analytical Approach
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Topics: Adhesion, Adhesives, Fractals, Nanoscale phenomena, Surface roughness, Wear
Proceedings Papers

Multiscale Roughness of MEMS Surfaces

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Can K. Bora, Michael E. Plesha, Erin E. Flater, Mark D. Street, Robert W. Carpick, James M. Redmond
Proc. ASME. TRIB2004, ASME/STLE 2004 International Joint Tribology Conference, Parts A and B, 133-139, October 24–27, 2004
Publisher: American Society of Mechanical Engineers
Paper No: TRIB2004-64370
https://doi.org/10.1115/TRIB2004-64370
View Paper titled, Multiscale Roughness of MEMS Surfaces
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Topics: Fractals, Microelectromechanical systems, Surface roughness, Atomic force microscopy, Density, Design, Friction, Function approximation, Geometry, Silicon