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Proceedings Papers

Experimental and Numerical Investigation of the High-Speed Instability of Aerodynamic Foil Journal Bearings for Micro Turbomachinery

Kei Somaya, Toru Yamashita, Shigeka Yoshimoto

Proc. ASME. IJTC2012, ASME/STLE 2012 International Joint Tribology Conference, 243-245, October 7–10, 2012

Paper No: IJTC2012-61130

DOI: https://doi.org/10.1115/IJTC2012-61130

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Topics: Journal bearings, Turbomachinery, Foil bearings, Rotors, Compressors, Durability, Frequency response, High temperature, Stability

Proceedings Papers

Performance and Failure Modes of Grease Lubricated Hybrid Ceramic Bearing in High Speed and High Temperature Condition

Dezhi Zheng, Le Gu, Tingjian Wang, Liqin Wang

Proc. ASME. IJTC2012, ASME/STLE 2012 International Joint Tribology Conference, 259-261, October 7–10, 2012

Paper No: IJTC2012-61189

DOI: https://doi.org/10.1115/IJTC2012-61189

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Topics: Bearings, Ceramics, Failure mechanisms, High temperature, Failure, Ball bearings, Design, Inspection, Lubrication, Rolling bearings

Proceedings Papers

Friction and Wear Characteristics of H25, H188, H214 Against Hastelloy X

M. Bulut Coskun, Serdar Aksoy, Necdet Basaran, Mahmut F. Aksit

Proc. ASME. IJTC2011, ASME/STLE 2011 Joint Tribology Conference, 215-217, October 24–26, 2011

Paper No: IJTC2011-61110

DOI: https://doi.org/10.1115/IJTC2011-61110

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Topics: Friction, Wear, High temperature, Turbomachinery, Cobalt, Compression, Design, Energy generation, Engines, Pins (Engineering)

Proceedings Papers

A Statistical Analysis of Elastomeric Seal Degradation in a Pneumatic Cylinder With Variation of Temperature

B. S. Kang, J. H. Shin, H. E. Kim

Proc. ASME. IJTC2011, ASME/STLE 2011 Joint Tribology Conference, 195-197, October 24–26, 2011

Paper No: IJTC2011-61067

DOI: https://doi.org/10.1115/IJTC2011-61067

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Topics: Pneumatic cylinders, Statistical analysis, Temperature, Assembly lines, Automobiles, Contamination, Dynamic response, Failure mechanisms, Gas chromatography, High temperature

Proceedings Papers

Influence of Friction and Rake Angle on the Formation of Discontinuous Rock Fragments During Rock Cutting

Pradeep L. Menezes, Michael R. Lovell, C. Fred Higgs, III

Proc. ASME. IJTC2010, STLE/ASME 2010 International Joint Tribology Conference, 271-273, October 17–20, 2010

Paper No: IJTC2010-41286

DOI: https://doi.org/10.1115/IJTC2010-41286

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Topics: Cutting, Friction, Rocks, Cutting tools, Computer simulation, Damage, Drilling, Engineering simulation, Finite element analysis, Finite element model

Proceedings Papers

Grease Degradation in Critical Helicopter Drivetrain Bearings

Brian Dykas, Timothy Krantz, Gordon Berger, Kenneth W. Street, Jr., Wilfredo Morales

Proc. ASME. IJTC2010, STLE/ASME 2010 International Joint Tribology Conference, 231-233, October 17–20, 2010

Paper No: IJTC2010-41200

DOI: https://doi.org/10.1115/IJTC2010-41200

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Topics: Bearings, Aviation, Evaporation, Fourier transform infrared spectroscopy, High temperature, Lubrication, Thickening agents

Proceedings Papers

A Brief Overview on High Temperature Friction and Wear

Mustafa Bulut Coskun, Mahmut Faruk Aksit

Proc. ASME. IJTC2010, STLE/ASME 2010 International Joint Tribology Conference, 275-278, October 17–20, 2010

Paper No: IJTC2010-41297

DOI: https://doi.org/10.1115/IJTC2010-41297

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Topics: Friction, High temperature, Wear, Temperature, Oxidation, Alloys, Coatings, Compression, Engines, Firing

Proceedings Papers

Response of D-Gun Sprayed Alumina-Zirconia Ceramic Composite to Particle Erosion and Sliding Wear

S. Rajakumar, L. Vijayaraghavan, M. M. Mayuram

Proc. ASME. IJTC2009, ASME/STLE 2009 International Joint Tribology Conference, 107-109, October 19–21, 2009

Paper No: IJTC2009-15186

DOI: https://doi.org/10.1115/IJTC2009-15186

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Topics: Ceramic composites, Erosion, Particulate matter, Wear, Coatings, High temperature, Brittleness, Ceramic coatings, Friction, Regression analysis

Proceedings Papers

Effect of Cu Content on the Tribological Performance of Cr-N Coatings at High Temperatures (840°C)

Kyriaki Polychronopoulou, Claus Rebholz, Nicholaos G. Demas, Andreas A. Polycarpou, P. N. Gibson

Proc. ASME. IJTC2009, ASME/STLE 2009 International Joint Tribology Conference, 115-117, October 19–21, 2009

Paper No: IJTC2009-15189

DOI: https://doi.org/10.1115/IJTC2009-15189

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Topics: Coatings, High temperature, Tribology, Cathode rays, Disks, Electron beams, Mechanical properties, Nanoindentation, Photoelectron spectroscopy, Scanning electron microscopy

Proceedings Papers

Transient Thermomechanical Contact Between a Sphere and a Moving Flat

Andrey Ovcharenko, Min Yang, Kaynam Chun, Frank E. Talke

Proc. ASME. IJTC2009, ASME/STLE 2009 International Joint Tribology Conference, 411-413, October 19–21, 2009

Paper No: IJTC2009-15124

DOI: https://doi.org/10.1115/IJTC2009-15124

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Topics: Thermomechanics, Transients (Dynamics), Disks, Deformation, Finite element analysis, Friction, Hardening, Heat, High temperature, Temperature distribution

Proceedings Papers

Experimental Structural Stiffness and Damping in a 2 nd Generation Foil Bearing for Increasing Shaft Temperatures

Luis San Andre´s, Keun Ryu

Proc. ASME. IJTC2009, ASME/STLE 2009 International Joint Tribology Conference, 209-211, October 19–21, 2009

Paper No: IJTC2009-15188

DOI: https://doi.org/10.1115/IJTC2009-15188

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Topics: Damping, Foil bearings, Stiffness, Temperature, Bearings, Excitation, Clearances (Engineering), Deflection, Energy dissipation, Gas turbines

Proceedings Papers

Analysis of the Be´nard Cell-Like Worn Surface Type Occurred During Oil-Lubricated Sliding Contact

Jen Fin Lin, Hsiao Yeh Chu

Proc. ASME. IJTC2009, ASME/STLE 2009 International Joint Tribology Conference, 135-137, October 19–21, 2009

Paper No: IJTC2009-15130

DOI: https://doi.org/10.1115/IJTC2009-15130

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Topics: Convection, Evaporation, Failure, Fluids, High temperature, Lubrication, Microscale devices, Nanoscale phenomena, Pressure, Shapes

Proceedings Papers

Development of a High-Temperature Repetitive-Impact Apparatus for Exhaust Valve Material Testing

Peter J. Blau, Brian C. Jolly

Proc. ASME. IJTC2009, ASME/STLE 2009 International Joint Tribology Conference, 221-223, October 19–21, 2009

Paper No: IJTC2009-15037

DOI: https://doi.org/10.1115/IJTC2009-15037

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Topics: Exhaust systems, High temperature, Materials testing, Valves, Wear, Temperature, Corners (Structural elements), Deformation, Diesel engines, Oxidation

Proceedings Papers

The Effect of Boron Nitride Lubricant Thickness and Steel Surface Condition on Tribological Behavior of P20 Steel/5083 Aluminum Sliding Pairs at High Temperature

M. David Hanna, Vjekoslav Franetovic

Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 717-718, October 20–22, 2008

Paper No: IJTC2008-71011

DOI: https://doi.org/10.1115/IJTC2008-71011

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Topics: Aluminum, Boron, High temperature, Lubricants, Steel, Tribology, Adhesion, Plastics forming, Tool steel

Proceedings Papers

Mechanical Properties of ZDTP Tribofilms Measured by Nanoindentation: Strain Rate and Temperature Effects

S. Bec, K. Demmou, J.-L. Loubet

Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 39-41, October 20–22, 2008

Paper No: IJTC2008-71145

DOI: https://doi.org/10.1115/IJTC2008-71145

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Topics: Mechanical properties, Nanoindentation, Temperature effects, Tribological films, Wear, Elastic moduli, Rheology, Temperature, Engines, Equilibrium (Physics)

Proceedings Papers

The Synergistic Antioxidation Effects of Molybdenum Dialkydithiocarbamate With Arylamine Antioxidants

Jian-Qiang Hu, Xian-Jun Zeng, Wei Zhang, Ben-Ke Shang

Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 197-199, October 20–22, 2008

Paper No: IJTC2008-71033

DOI: https://doi.org/10.1115/IJTC2008-71033

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Topics: Molybdenum, Oxidation, Electromagnetic induction, Lubricants, Oils, Petroleum, Weight (Mass), Differential scanning calorimetry, Fourier transform infrared spectroscopy, High temperature

Proceedings Papers

Tribological Tests of Friction Pair Materials for the GT-MHR Turbomachine Catcher Bearings

C. B. Baxi, N. G. Kodochigov, S. E. Belov, M. N. Borovkov

Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 19-25, October 20–22, 2008

Paper No: IJTC2008-71259

DOI: https://doi.org/10.1115/IJTC2008-71259

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Topics: Bearings, Friction, Tribology, Turbomachinery, Helium, Rotors, Suspension systems, Circuits, Control systems, Coolants

Proceedings Papers

Lubricating Characteristics of Fluorine Grease Containing Silica Nanoparticles

Michita Hokao, Atsushi Yokouchi

Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 209-211, October 20–22, 2008

Paper No: IJTC2008-71088

DOI: https://doi.org/10.1115/IJTC2008-71088

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Topics: Nanoparticles, Bearings, Torque, Electric motors, Service life (Equipment), High temperature

Proceedings Papers

On the Tangential Displacement of a Surface Point Due to a Cuboid of Uniform Plastic Strain in a Half-Space

B. Fulleringer, V. Boucly, D. Ne´lias

Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 629-631, October 20–22, 2008

Paper No: IJTC2008-71238

DOI: https://doi.org/10.1115/IJTC2008-71238

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Topics: Displacement, Metals, Yield stress, Alloys, Contact mechanics, Friction, High temperature, Shear stress, Stick-slip, Surface roughness

Proceedings Papers

Tribological Testing of Graphite and Boron Nitride Lubricant Formulations for High Temperature Aluminum Sheet Forming Processes

M. David Hanna, Paul E. Krajewsk, James G. Schroth

Proc. ASME. IJTC2007, ASME/STLE 2007 International Joint Tribology Conference, Parts A and B, 705-707, October 22–24, 2007

Paper No: IJTC2007-44043

DOI: https://doi.org/10.1115/IJTC2007-44043

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Topics: Aluminum, Boron, Graphite, High temperature, Lubricants, Testing, Tribology, Temperature, Blanks, Metalworking

NARROW

Experimental and Numerical Investigation of the High-Speed Instability of Aerodynamic Foil Journal Bearings for Micro Turbomachinery

Performance and Failure Modes of Grease Lubricated Hybrid Ceramic Bearing in High Speed and High Temperature Condition

Friction and Wear Characteristics of H25, H188, H214 Against Hastelloy X

A Statistical Analysis of Elastomeric Seal Degradation in a Pneumatic Cylinder With Variation of Temperature

Influence of Friction and Rake Angle on the Formation of Discontinuous Rock Fragments During Rock Cutting

Grease Degradation in Critical Helicopter Drivetrain Bearings

A Brief Overview on High Temperature Friction and Wear

Response of D-Gun Sprayed Alumina-Zirconia Ceramic Composite to Particle Erosion and Sliding Wear

Effect of Cu Content on the Tribological Performance of Cr-N Coatings at High Temperatures (840°C)

Transient Thermomechanical Contact Between a Sphere and a Moving Flat

Experimental Structural Stiffness and Damping in a 2 nd Generation Foil Bearing for Increasing Shaft Temperatures

Analysis of the Be´nard Cell-Like Worn Surface Type Occurred During Oil-Lubricated Sliding Contact

Development of a High-Temperature Repetitive-Impact Apparatus for Exhaust Valve Material Testing

The Effect of Boron Nitride Lubricant Thickness and Steel Surface Condition on Tribological Behavior of P20 Steel/5083 Aluminum Sliding Pairs at High Temperature

Mechanical Properties of ZDTP Tribofilms Measured by Nanoindentation: Strain Rate and Temperature Effects

The Synergistic Antioxidation Effects of Molybdenum Dialkydithiocarbamate With Arylamine Antioxidants

Tribological Tests of Friction Pair Materials for the GT-MHR Turbomachine Catcher Bearings

Lubricating Characteristics of Fluorine Grease Containing Silica Nanoparticles

On the Tangential Displacement of a Surface Point Due to a Cuboid of Uniform Plastic Strain in a Half-Space

Tribological Testing of Graphite and Boron Nitride Lubricant Formulations for High Temperature Aluminum Sheet Forming Processes

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