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Proceedings Papers

Experimental Study of Lubrication Film Formation in Multiple Contacts Device Under Starved Conditions

Petr Svoboda, David Kostal, Ivan Krupka, Martin Hartl
Proc. ASME. IJTC2012, ASME/STLE 2012 International Joint Tribology Conference, 233-235, October 7–10, 2012
Paper No: IJTC2012-61123
DOI: https://doi.org/10.1115/IJTC2012-61123
View Paper titled, Experimental Study of Lubrication Film Formation in Multiple Contacts Device Under Starved Conditions
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Topics: Lubrication, Film thickness, Computer simulation, Lubricants, Machine components, Bearings, Cams, Failure, Gears, Pressure
Proceedings Papers

Experimental Investigation of Transition in Lubrication Regime for Thin-Film Coated Surfaces

C. Lorenzo Martin, O. O. Ajayi, S. Torrel, G. R. Fenske, R. A. Erck
Proc. ASME. IJTC2012, ASME/STLE 2012 International Joint Tribology Conference, 251-253, October 7–10, 2012
Paper No: IJTC2012-61171
DOI: https://doi.org/10.1115/IJTC2012-61171
View Paper titled, Experimental Investigation of Transition in Lubrication Regime for Thin-Film Coated Surfaces
Click here to open pdf in another window PDF for Experimental Investigation of Transition in Lubrication Regime for Thin-Film Coated Surfaces
Topics: Lubrication, Thin films, Coatings, Friction, Tribology, Bearings, Carbon, Composite materials, Design, Engineers
Proceedings Papers

Experimental Study on Analytical Methods for Roughness Deformation Description in EHL Contacts

Petr Sperka, Ivan Krupka, Martin Hartl
Proc. ASME. IJTC2012, ASME/STLE 2012 International Joint Tribology Conference, 123-125, October 7–10, 2012
Paper No: IJTC2012-61175
DOI: https://doi.org/10.1115/IJTC2012-61175
View Paper titled, Experimental Study on Analytical Methods for Roughness Deformation Description in EHL Contacts
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Topics: Analytical methods, Deformation, Surface roughness, Geometry, Tribology, Film thickness, Fourier analysis, Lubricants, Machine components
Proceedings Papers

Lubrication Film Thickness Behavior Under Transient Speed and Load Conditions

Martin Zimmerman, Ivan Krupka, Martin Hartl, Pavel Houska
Proc. ASME. IJTC2012, ASME/STLE 2012 International Joint Tribology Conference, 189-191, October 7–10, 2012
Paper No: IJTC2012-61143
DOI: https://doi.org/10.1115/IJTC2012-61143
View Paper titled, Lubrication Film Thickness Behavior Under Transient Speed and Load Conditions
Click here to open pdf in another window PDF for Lubrication Film Thickness Behavior Under Transient Speed and Load Conditions
Topics: Film thickness, Lubrication, Stress, Transients (Dynamics), Lubricants, Ball bearings, Damage, Disks, Glass, Interferometry
Proceedings Papers

Experimental Study of Artificial Features Attenuation in Rolling/Sliding Concentrated Contacts

Petr Sperka, Ivan Krupka, Martin Hartl
Proc. ASME. IJTC2011, ASME/STLE 2011 Joint Tribology Conference, 135-137, October 24–26, 2011
Paper No: IJTC2011-61068
DOI: https://doi.org/10.1115/IJTC2011-61068
View Paper titled, Experimental Study of Artificial Features Attenuation in Rolling/Sliding Concentrated Contacts
Click here to open pdf in another window PDF for Experimental Study of Artificial Features Attenuation in Rolling/Sliding Concentrated Contacts
Topics: Design, Disks, High pressure (Physics), Interferometry, Machine components, Surface roughness, Thin films, Tribometers
Proceedings Papers

Study of Lubrication Film Formation in Ball Bearings Under Starved Conditions

Petr Svoboda, Martin Vrbka, Petr Sperka, Ivan Krupka, Martin Hartl
Proc. ASME. IJTC2011, ASME/STLE 2011 Joint Tribology Conference, 183-185, October 24–26, 2011
Paper No: IJTC2011-61034
DOI: https://doi.org/10.1115/IJTC2011-61034
View Paper titled, Study of Lubrication Film Formation in Ball Bearings Under Starved Conditions
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Topics: Ball bearings, Lubrication, Lubricants, Disks, Film thickness, Machine components, Rolling bearings, Cams, Collapse, Engineering systems and industry applications
Proceedings Papers

Effect of Surface Texturing on EHD Lubrication Films Under Transient Speed Condition

Martin Zimmerman, Ivan Krupka, Martin Hartl, Pavel Houska
Proc. ASME. IJTC2011, ASME/STLE 2011 Joint Tribology Conference, 187-189, October 24–26, 2011
Paper No: IJTC2011-61046
DOI: https://doi.org/10.1115/IJTC2011-61046
View Paper titled, Effect of Surface Texturing on EHD Lubrication Films Under Transient Speed Condition
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Topics: Lubrication, Transients (Dynamics), Lubricants, Film thickness, Cams, Damage, Disks, Gears, Glass, Interferometry
Proceedings Papers

Wear Mechanisms of PTFE in Humidified Hydrogen Gas

Kazuhiro Nakashima, Carlos Morillo, Yoshie Kurono, Yoshinori Sawae, Joichi Sugimura
Proc. ASME. IJTC2011, ASME/STLE 2011 Joint Tribology Conference, 229-231, October 24–26, 2011
Paper No: IJTC2011-61180
DOI: https://doi.org/10.1115/IJTC2011-61180
View Paper titled, Wear Mechanisms of PTFE in Humidified Hydrogen Gas
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Topics: Hydrogen, Wear, Disks, Friction, Machine components, Sealants, Tribology, Fuel cell vehicles, Gases, Machinery
Proceedings Papers

Friction and Wear Characteristics of Diamond-Like Carbon (DLC) Coating Used for Machine Elements

D. W. Kim, K. W. Kim
Proc. ASME. IJTC2011, ASME/STLE 2011 Joint Tribology Conference, 203-205, October 24–26, 2011
Paper No: IJTC2011-61071
DOI: https://doi.org/10.1115/IJTC2011-61071
View Paper titled, Friction and Wear Characteristics of Diamond-Like Carbon (DLC) Coating Used for Machine Elements
Click here to open pdf in another window PDF for Friction and Wear Characteristics of Diamond-Like Carbon (DLC) Coating Used for Machine Elements
Topics: Carbon, Coating processes, Coatings, Diamonds, Friction, Machine components, Wear, Stress, Bearing steel, Sliding friction
Proceedings Papers

Lubrication of DLC and TiN Coatings With Two Ionic Liquids Used as Neat Lubricant and Oil Additive

A. Hernandez Battez, D. Blanco Alonso, R. Gonzalez Rodriguez, J. L. Viesca Rodriguez, A. Fernandez-Gonzalez, A. Higuera Garrido
Proc. ASME. IJTC2011, ASME/STLE 2011 Joint Tribology Conference, 95-97, October 24–26, 2011
Paper No: IJTC2011-61114
DOI: https://doi.org/10.1115/IJTC2011-61114
View Paper titled, Lubrication of DLC and TiN Coatings With Two Ionic Liquids Used as Neat Lubricant and Oil Additive
Click here to open pdf in another window PDF for Lubrication of DLC and TiN Coatings With Two Ionic Liquids Used as Neat Lubricant and Oil Additive
Topics: Coatings, Lubricants, Lubrication, Friction, Cutting tools, Machine components, Tribology, Wear, Wear resistance, Automotive industry
Proceedings Papers

Cavitation Phenomena in Pure-Sliding Grease EHL Films

Takefumi Otsu, Yuichiro Nagata, Joichi Sugimura, Romeo Glovnea
Proc. ASME. IJTC2010, STLE/ASME 2010 International Joint Tribology Conference, 127-129, October 17–20, 2010
Paper No: IJTC2010-41119
DOI: https://doi.org/10.1115/IJTC2010-41119
View Paper titled, Cavitation Phenomena in Pure-Sliding Grease EHL Films
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Topics: Cavitation, Chemistry, Lubricants, Lubricating oils, Lubrication, Machine components, Physics
Proceedings Papers

Multi-Impact Simulation: Effect of the Covering Rate on the Mean Plastic Strain Profiles

T. Chaise, D. Ne´lias
Proc. ASME. IJTC2010, STLE/ASME 2010 International Joint Tribology Conference, 297-299, October 17–20, 2010
Paper No: IJTC2010-41065
DOI: https://doi.org/10.1115/IJTC2010-41065
View Paper titled, Multi-Impact Simulation: Effect of the Covering Rate on the Mean Plastic Strain Profiles
Click here to open pdf in another window PDF for Multi-Impact Simulation: Effect of the Covering Rate on the Mean Plastic Strain Profiles
Topics: Simulation, Shot peening, Computation, Compressive stress, Fatigue, Laser hardening, Machine components, Modeling, Plasticity, Sprays
Proceedings Papers

Effects of High Pressure Hydrogen on Wear of PTFE and PTFE Composite

Y. Sawae, K. Nakashima, S. Doi, T. Murakami, J. Sugimura
Proc. ASME. IJTC2009, ASME/STLE 2009 International Joint Tribology Conference, 233-235, October 19–21, 2009
Paper No: IJTC2009-15096
DOI: https://doi.org/10.1115/IJTC2009-15096
View Paper titled, Effects of High Pressure Hydrogen on Wear of PTFE and PTFE Composite
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Topics: Composite materials, High pressure (Physics), Hydrogen, Wear, Polymers, Metals, Sealants, Stainless steel, Fuel cell vehicles, Gas compressors
Proceedings Papers

Optimized Logarithmic Roller Crowning Design of Cylindrical Roller Bearings and Its Experimental Demonstration

Hiroki Fujiwara, Tatsuo Kawase, Takuji Kobayashi, Kazuto Yamauchi
Proc. ASME. IJTC2009, ASME/STLE 2009 International Joint Tribology Conference, 217-219, October 19–21, 2009
Paper No: IJTC2009-15032
DOI: https://doi.org/10.1115/IJTC2009-15032
View Paper titled, Optimized Logarithmic Roller Crowning Design of Cylindrical Roller Bearings and Its Experimental Demonstration
Click here to open pdf in another window PDF for Optimized Logarithmic Roller Crowning Design of Cylindrical Roller Bearings and Its Experimental Demonstration
Topics: Design, Roller bearings, Rollers, Fatigue life, Bearings, Geometry, Machine components, Optimization, Rolling contact, Stress
Proceedings Papers

Effect of Surface Topography on Mixed Lubrication Film Under Transient Conditions

Ivan Krupka, Martin Hartl, Petr Svoboda
Proc. ASME. IJTC2009, ASME/STLE 2009 International Joint Tribology Conference, 481-482, October 19–21, 2009
Paper No: IJTC2009-15050
DOI: https://doi.org/10.1115/IJTC2009-15050
View Paper titled, Effect of Surface Topography on Mixed Lubrication Film Under Transient Conditions
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Topics: Lubrication, Transients (Dynamics), Damage, Gears, Machine components, Risk, Rolling bearings, Stress, Surface roughness
Proceedings Papers

Oilflow Interaction of Engine Bearings

Katja Backhaus, Gunter Knoll
Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 257-259, October 20–22, 2008
Paper No: IJTC2008-71036
DOI: https://doi.org/10.1115/IJTC2008-71036
View Paper titled, Oilflow Interaction of Engine Bearings
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Topics: Bearings, Engines, Computer software, Simulation, Combustion, Design, Lubricating oils, Machine components, Plain bearings
Proceedings Papers

Determination of the Corrosiveness of a Lubricating Oil by a Corrosion Sensor

C. Schneidhofer, N. Doerr, B. Jakoby
Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 155-157, October 20–22, 2008
Paper No: IJTC2008-71184
DOI: https://doi.org/10.1115/IJTC2008-71184
View Paper titled, Determination of the Corrosiveness of a Lubricating Oil by a Corrosion Sensor
Click here to open pdf in another window PDF for Determination of the Corrosiveness of a Lubricating Oil by a Corrosion Sensor
Topics: Corrosion, Lubricating oils, Sensors, Contamination, Engines, Gas engines, Machine components, Metallic films, Oils, Petroleum
Proceedings Papers

The Problems of Application of PVD/CVD Thin Hard Coatings for Heavy-Loaded Machine Components

Marian M. Szczerek, Remigiusz Michalczewski, Witold Piekoszewski
Proc. ASME. IJTC2007, ASME/STLE 2007 International Joint Tribology Conference, Parts A and B, 35-37, October 22–24, 2007
Paper No: IJTC2007-44244
DOI: https://doi.org/10.1115/IJTC2007-44244
View Paper titled, The Problems of Application of PVD/CVD Thin Hard Coatings for Heavy-Loaded Machine Components
Click here to open pdf in another window PDF for The Problems of Application of PVD/CVD Thin Hard Coatings for Heavy-Loaded Machine Components
Topics: Chemical vapor deposition, Coatings, Machine components, Fatigue life, Steel
Proceedings Papers

Pressure Calculation From Experimentally Evaluated Lubricant Thickness Within EHL Contacts

M. Vrbka, M. Vaverka, R. Poliscuk, I. Krupka, M. Hartl
Proc. ASME. IJTC2007, ASME/STLE 2007 International Joint Tribology Conference, Parts A and B, 157-159, October 22–24, 2007
Paper No: IJTC2007-44076
DOI: https://doi.org/10.1115/IJTC2007-44076
View Paper titled, Pressure Calculation From Experimentally Evaluated Lubricant Thickness Within EHL Contacts
Click here to open pdf in another window PDF for Pressure Calculation From Experimentally Evaluated Lubricant Thickness Within EHL Contacts
Topics: Lubricants, Pressure, Film thickness, Friction, Algorithms, Elasticity, Elastohydrodynamic lubrication, Interferometry, Machine components
Proceedings Papers

Tribology of High Pressure Rotor Seals: Friction and Failure

Markus Henzler, W. Haas
Proc. ASME. IJTC2007, ASME/STLE 2007 International Joint Tribology Conference, Parts A and B, 455-457, October 22–24, 2007
Paper No: IJTC2007-44274
DOI: https://doi.org/10.1115/IJTC2007-44274
View Paper titled, Tribology of High Pressure Rotor Seals: Friction and Failure
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Topics: Failure, Friction, High pressure (Physics), Rotors, Tribology, Pressure, Construction, Indexing (Machining), Machine components, Machinery