Volume 131 Issue 4 | J. Tribol. | ASME Digital Collection

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Research Papers

Experimental and Analytical Studies on Flexure Pivot Tilting Pad Gas Bearings With Dampers Applied to Radially Compliant Pads

Aaron Rimpel, Daejong Kim

J. Tribol. October 2009, 131(4): 041001. doi: https://doi.org/10.1115/1.3201831

Abstract

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Topics: Bearings , Dampers , Rotors , Vibration , Gas bearings , Simulation , Bending (Stress)

Applications

Effect of Engine Operating Conditions and Lubricant Rheology on the Distribution of Losses in an Internal Combustion Engine

Riaz A. Mufti, Martin Priest

J. Tribol. October 2009, 131(4): 041101. doi: https://doi.org/10.1115/1.3176988

Abstract

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Topics: Engines , Friction , Lubricants , Pistons , Bearings , Temperature , Valves , Trains , Lubrication , Manufacturing

Contact Mechanics

Feasibility Study for Real Time Measurement of Wheel-Rail Contact Using an Ultrasonic Array

R. S. Dwyer-Joyce, C. Yao, J. Zhang, R. Lewis, B. W. Drinkwater

J. Tribol. October 2009, 131(4): 041401. doi: https://doi.org/10.1115/1.3176992

Abstract

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Topics: Rails , Reflection , Transducers , Wheels , Stress , Pressure

Closed-Form Equations for Three Dimensional Elastic-Plastic Contact of Nominally Flat Rough Surfaces

Ali Sepehri, Kambiz Farhang

J. Tribol. October 2009, 131(4): 041402. doi: https://doi.org/10.1115/1.3204775

Abstract

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Topics: Surface roughness , Approximation , Deformation

A Review of Rolling Contact Fatigue

Farshid Sadeghi, Behrooz Jalalahmadi, Trevor S. Slack, Nihar Raje, Nagaraj K. Arakere

J. Tribol. October 2009, 131(4): 041403. doi: https://doi.org/10.1115/1.3209132

Abstract

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Topics: Bearings , Fatigue , Rolling contact , Stress , Fracture (Materials) , Failure , Rolling bearings

Elastohydrodynamic Lubrication

Pitting Life Prediction Based on a 3D Line Contact Mixed EHL Analysis and Subsurface von Mises Stress Calculation

Dong Zhu, Ning Ren, Q. Jane Wang

J. Tribol. October 2009, 131(4): 041501. doi: https://doi.org/10.1115/1.3195040

Abstract

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Topics: Fatigue life , Gears , Lubrication , Pressure , Stress , Surface roughness , Failure , Fatigue , Reliability

Friction & Wear

Wear Characterization of Al/Ingredients MMFC

Anil K. Chaturvedi, K. Chandra, P. S. Mishra

J. Tribol. October 2009, 131(4): 041601. doi: https://doi.org/10.1115/1.3195041

Abstract

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Topics: Composite materials , Density , Friction , Lubricants , Porosity , Stress , Wear , Disks , Aluminum alloys , Graphite

Enhancement of Wear Resistance of Copper With Tungsten Addition $(\leq 20 wt %)$ by Powder Metallurgy Route

Poulami Maji, R. K. Dube, Bikramjit Basu

J. Tribol. October 2009, 131(4): 041602. doi: https://doi.org/10.1115/1.3204776

Abstract

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Topics: Composite materials , Stress , Tungsten , Wear , Wear resistance , Particulate matter , Tribology , Steel , Copper , Powder metallurgy

Hydrodynamic Lubrication

Theoretical and Experimental Study on Dynamic Coefficients and Stability for a Hydrostatic/Hydrodynamic Conical Bearing

Guo Hong, Lai Xinmin, Cen Shaoqi

J. Tribol. October 2009, 131(4): 041701. doi: https://doi.org/10.1115/1.3176991

Abstract

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Topics: Bearings , Hydrostatics , Stability , Excitation , Fluid films , Flow (Dynamics) , Stiffness

On the Prediction of Cavitation in Dimples Using a Mass-Conservative Algorithm

Y. Qiu, M. M. Khonsari

J. Tribol. October 2009, 131(4): 041702. doi: https://doi.org/10.1115/1.3176994

Abstract

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Topics: Algorithms , Boundary-value problems , Cavitation , Pressure , Film thickness

Characterization of a Foil Bearing Structure at Increasing Temperatures: Static Load and Dynamic Force Performance

Tae Ho Kim, Anthony W. Breedlove, Luis San Andrés

J. Tribol. October 2009, 131(4): 041703. doi: https://doi.org/10.1115/1.3195042

Abstract

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Topics: Bearings , Stiffness , Stress , Temperature , Excitation , Dry friction , Foil bearings , Damping

Optimization of Groove Geometry for a Thrust Air Bearing According to Various Objective Functions

Hiromu Hashimoto, Tadashi Namba

J. Tribol. October 2009, 131(4): 041704. doi: https://doi.org/10.1115/1.3201860

Abstract

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Topics: Bearings , Design , Geometry , Optimization , Friction , Torque , Stiffness , Thrust

Linear Stability Analysis of the Herringbone Groove Journal Bearings in Microsystems: Consideration of Gas Rarefaction Effects

Wang-Long Li, Rui-Wen Shen

J. Tribol. October 2009, 131(4): 041705. doi: https://doi.org/10.1115/1.3201872

Abstract

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Topics: Bearings , Journal bearings , Microelectromechanical systems , Rotors , Stability , Flow (Dynamics) , Knudsen number , Pressure , Damping , Film thickness

Impulse-Load Dynamics of Squeeze Film Gas Bearings for a Linear Motion Guide

Yuji Ono, Shigeka Yoshimoto, Masaaki Miyatake

J. Tribol. October 2009, 131(4): 041706. doi: https://doi.org/10.1115/1.3201894

Abstract

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Topics: Bearings , Gas bearings , Impulse (Physics) , Stress , Vibration , Pressure , Piezoelectric actuators

Characteristics of Micro Gas Journal Bearings Based on Effective Viscosity

Haijun Zhang, Changsheng Zhu, Qin Yang

J. Tribol. October 2009, 131(4): 041707. doi: https://doi.org/10.1115/1.3209145

Abstract

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Topics: Bearings , Journal bearings , Viscosity , Knudsen number , Stress

Mixed and Boundary Lubrication

Effects of Rolling Direction and Lubricant on Friction in Sheet Metal Forming

Xiaojun Liu, Mathias Liewald, Dina Becker

J. Tribol. October 2009, 131(4): 042101. doi: https://doi.org/10.1115/1.3201843

Abstract

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Topics: Aluminum alloys , Friction , Lubricants , Strips , Sheet metal work , Pressure

Other (Seals, Manufacturing)

Tribological Characterization of Machining at Very Small Contact Areas

Michael R. Lovell, P. Cohen, Pradeep L. Menezes, R. Shankar

J. Tribol. October 2009, 131(4): 042201. doi: https://doi.org/10.1115/1.3195038

Abstract

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Topics: Brass (Metal) , Cutting , Friction , Machining , Shear (Mechanics) , Stress , Tool steel , Tribology

Composite Structure Design of O-Rings Using Material Behavior to Decrease Strain Energy and Permanent Deformation

Nicholas J. Maciejewski, Ryan B. Sefkow, Barney E. Klamecki

J. Tribol. October 2009, 131(4): 042202. doi: https://doi.org/10.1115/1.3203147

Abstract

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Topics: Deformation , Design , Seals , Stress , Density , Compression

Improving the Long-Term Performance of Elastomeric Seals by Material Behavior Design

Ryan B. Sefkow, Nicholas J. Maciejewski, Barney E. Klamecki

J. Tribol. October 2009, 131(4): 042203. doi: https://doi.org/10.1115/1.3203148

Abstract

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Topics: Deformation , Design , Displacement , Pressure , Seals , Stress , Density , Shapes , Finite element analysis , Materials properties

Technical Briefs

Effects of Differential Scheme and Viscosity Model on Rough-Surface Point-Contact Isothermal EHL

Yuchuan Liu, Q. Jane Wang, Dong Zhu, Wenzhong Wang, Yuanzhong Hu

J. Tribol. October 2009, 131(4): 044501. doi: https://doi.org/10.1115/1.2842245

Abstract

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Topics: Pressure , Surface roughness , Viscosity , Errors , Rheology

Pseudo-Nine-Point Finite Difference Method for Numerical Analysis of Lubrication

Shaoxian Bai, Xudong Peng, Yonggang Meng, Shizhu Wen

J. Tribol. October 2009, 131(4): 044502. doi: https://doi.org/10.1115/1.3195039

Abstract

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Topics: Disks , Finite difference methods , Lubrication , Pressure , Surface texture , Numerical analysis , Density

A Study of Airborne Wear Particles Generated From a Sliding Contact

Ulf Olofsson, Lars Olander, Anders Jansson

J. Tribol. October 2009, 131(4): 044503. doi: https://doi.org/10.1115/1.3176990

Abstract

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Topics: Particulate matter , Wear , Disks , Instrumentation

A Contact Model of Nominally Flat Rough Surfaces Based on a Visco-Elasto-Adhesive Interaction

W. Cheng, K. Farhang

J. Tribol. October 2009, 131(4): 044504. doi: https://doi.org/10.1115/1.4000015

Abstract

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Topics: Adhesion , Adhesives , Surface roughness , Approximation , Integral equations

Research Papers

Experimental and Analytical Studies on Flexure Pivot Tilting Pad Gas Bearings With Dampers Applied to Radially Compliant Pads

Applications

Effect of Engine Operating Conditions and Lubricant Rheology on the Distribution of Losses in an Internal Combustion Engine

Contact Mechanics

Feasibility Study for Real Time Measurement of Wheel-Rail Contact Using an Ultrasonic Array

Closed-Form Equations for Three Dimensional Elastic-Plastic Contact of Nominally Flat Rough Surfaces

A Review of Rolling Contact Fatigue

Elastohydrodynamic Lubrication

Pitting Life Prediction Based on a 3D Line Contact Mixed EHL Analysis and Subsurface von Mises Stress Calculation

Friction & Wear

Wear Characterization of Al/Ingredients MMFC

Enhancement of Wear Resistance of Copper With Tungsten Addition $(\leq 20 wt %)$ by Powder Metallurgy Route

Hydrodynamic Lubrication

Theoretical and Experimental Study on Dynamic Coefficients and Stability for a Hydrostatic/Hydrodynamic Conical Bearing

On the Prediction of Cavitation in Dimples Using a Mass-Conservative Algorithm

Characterization of a Foil Bearing Structure at Increasing Temperatures: Static Load and Dynamic Force Performance

Optimization of Groove Geometry for a Thrust Air Bearing According to Various Objective Functions

Linear Stability Analysis of the Herringbone Groove Journal Bearings in Microsystems: Consideration of Gas Rarefaction Effects

Impulse-Load Dynamics of Squeeze Film Gas Bearings for a Linear Motion Guide

Characteristics of Micro Gas Journal Bearings Based on Effective Viscosity

Mixed and Boundary Lubrication

Effects of Rolling Direction and Lubricant on Friction in Sheet Metal Forming

Other (Seals, Manufacturing)

Tribological Characterization of Machining at Very Small Contact Areas

Composite Structure Design of O-Rings Using Material Behavior to Decrease Strain Energy and Permanent Deformation

Improving the Long-Term Performance of Elastomeric Seals by Material Behavior Design

Technical Briefs

Effects of Differential Scheme and Viscosity Model on Rough-Surface Point-Contact Isothermal EHL

Pseudo-Nine-Point Finite Difference Method for Numerical Analysis of Lubrication

A Study of Airborne Wear Particles Generated From a Sliding Contact

A Contact Model of Nominally Flat Rough Surfaces Based on a Visco-Elasto-Adhesive Interaction

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Mixed and Boundary Lubrication

Other (Seals, Manufacturing)

Technical Briefs

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