Volume 126 Issue 4 | J. Tribol. | ASME Digital Collection

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Volume 126, Issue 4

October 2004

ISSN 0742-4787

EISSN 1528-8897

Research Papers

Assessment of Nominal Contact Area Parameters by Means of Ultrasonic Waves

Francesco Aymerich, Massimiliano Pau

J. Tribol. October 2004, 126(4): 639–645. doi: https://doi.org/10.1115/1.1760764

Abstract

View articletitled, Assessment of Nominal Contact Area Parameters by Means of Ultrasonic Waves

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Topics: Pressure , Ultrasonic waves , Reflection , Stress , Shapes

Fractal Model Developed for Elliptic Elastic-Plastic Asperity Microcontacts of Rough Surfaces

Jung Ching Chung, Graduate Student, Jen Fin Lin

J. Tribol. October 2004, 126(4): 646–654. doi: https://doi.org/10.1115/1.1792680

Abstract

View articletitled, Fractal Model Developed for Elliptic Elastic-Plastic Asperity Microcontacts of Rough Surfaces

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Topics: Deformation , Fractals , Stress , Surface roughness , Dimensions , Plasticity

Surface Cracking in Elastic-Plastic Multi-Layered Media Due to Repeated Sliding Contact

Z.-Q. Gong, Graduate Student, K. Komvopoulos, Professor, Fellow ASME

J. Tribol. October 2004, 126(4): 655–663. doi: https://doi.org/10.1115/1.1757491

Abstract

View articletitled, Surface Cracking in Elastic-Plastic Multi-Layered Media Due to Repeated Sliding Contact

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Topics: Fracture (Materials) , Stress

A Nonlinear Structure Based Elastohydrodynamic Analysis Method for Connecting Rod Big End Bearings of High Performance Engines

Fabrizio A. Stefani, Alessandro U. Rebora

J. Tribol. October 2004, 126(4): 664–671. doi: https://doi.org/10.1115/1.1759341

Abstract

View articletitled, A Nonlinear Structure Based Elastohydrodynamic Analysis Method for Connecting Rod Big End Bearings of High Performance Engines

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Topics: Bearings , Film thickness , Pressure , Displacement

The Effects of a Stationary Surface Pocket on EHL Line Contact Start-Up

Jiaxin Zhao, Assistant Professor, Farshid Sadeghi, Professor

J. Tribol. October 2004, 126(4): 672–680. doi: https://doi.org/10.1115/1.1759342

Abstract

View articletitled, The Effects of a Stationary Surface Pocket on EHL Line Contact Start-Up

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Topics: Film thickness , Hydrostatic pressure , Lubricants , Pressure , Cavitation

Cage Instabilities in Cylindrical Roller Bearings

Niranjan Ghaisas, Graduate Student, Carl R. Wassgren, Assistant Professor, Farshid Sadeghi, Professor

J. Tribol. October 2004, 126(4): 681–689. doi: https://doi.org/10.1115/1.1792674

Abstract

View articletitled, Cage Instabilities in Cylindrical Roller Bearings

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Topics: Bearings , Clearances (Engineering) , Rollers , Whirls

In Situ Observation of Microwedge Effect on Liquid Lubrication

Sy-Wei Lo, Professor, Bo-Qi Zhou, Ching-Feng Fang, Yu-Sheng Lu, Asst. Prof.

J. Tribol. October 2004, 126(4): 690–696. doi: https://doi.org/10.1115/1.1759338

Abstract

View articletitled, In Situ Observation of Microwedge Effect on Liquid Lubrication

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Topics: Deformation , Friction , Lubricants , Lubrication , Pressure , Surface roughness

The High Pressure Rheology of Mixtures

Scott Bair, Principal Research Engineer,

J. Tribol. October 2004, 126(4): 697–702. doi: https://doi.org/10.1115/1.1760552

Abstract

View articletitled, The High Pressure Rheology of Mixtures

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Topics: High pressure (Physics) , Pressure , Shear (Mechanics) , Viscosity , Rheology , Molecular weight

Some Remarks on the Validity of Reynolds Equation in the Modeling of Lubricant Film Flows on the Surface Roughness Scale

T. Almqvist, R. Larsson

J. Tribol. October 2004, 126(4): 703–710. doi: https://doi.org/10.1115/1.1760554

Abstract

View articletitled, Some Remarks on the Validity of Reynolds Equation in the Modeling of Lubricant Film Flows on the Surface Roughness Scale

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Topics: Approximation , Computational fluid dynamics , Lubricants , Momentum , Pressure , Rheology , Stress , Surface roughness , Viscosity , Film flow

Hydrodynamic Performance of Gas Microbearings

Daejong Kim, Sanghoon Lee, Michael D. Bryant, Frederick F. Ling

J. Tribol. October 2004, 126(4): 711–718. doi: https://doi.org/10.1115/1.1792676

Abstract

View articletitled, Hydrodynamic Performance of Gas Microbearings

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Topics: Bearings , Journal bearings , Stress , Thrust bearings , Stability , Numerical analysis , Rotors , X-ray lithography , Lubrication

A Study on Squeeze Films Between Porous Rubber Surface and Rigid Surface: Analysis Based on the Viscoelastic Continuum Model

Satoru Kaneko, Professor, Takemi Tanaka, Satoru Abe, Takuya Ishikawa

J. Tribol. October 2004, 126(4): 719–727. doi: https://doi.org/10.1115/1.1792692

Abstract

View articletitled, A Study on Squeeze Films Between Porous Rubber Surface and Rigid Surface: Analysis Based on the Viscoelastic Continuum Model

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Topics: Deformation , Rubber , Fluids , Viscoelasticity , Inertia (Mechanics)

Actual Eyring Models for Thixotropy and Shear-Thinning: Experimental Validation and Application to EHD

Scott Bair

J. Tribol. October 2004, 126(4): 728–732. doi: https://doi.org/10.1115/1.1792693

Abstract

View articletitled, Actual Eyring Models for Thixotropy and Shear-Thinning: Experimental Validation and Application to EHD

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Topics: Pressure , Shear (Mechanics) , Thixotropy , Flow (Dynamics) , Film thickness , Stress , Viscosity , Temperature

Comparison of Homogenization and Direct Techniques for the Treatment of Roughness in Incompressible Lubrication

Malal Kane, Benyebka Bou-Said

J. Tribol. October 2004, 126(4): 733–737. doi: https://doi.org/10.1115/1.1792699

Abstract

View articletitled, Comparison of Homogenization and Direct Techniques for the Treatment of Roughness in Incompressible Lubrication

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Topics: Lubrication , Surface roughness , Pressure , Geometry , Compressible flow

Measurement of Adhesion Force and Elongation of Molecularly Thin Lubricant by Using Transient Response of SPM Cantilever

Yasuji Ohshima, Associate Professor, Yasunaga Mitsuya, Professor, Yusuke Iwase

J. Tribol. October 2004, 126(4): 738–744. doi: https://doi.org/10.1115/1.1759340

Abstract

View articletitled, Measurement of Adhesion Force and Elongation of Molecularly Thin Lubricant by Using Transient Response of SPM Cantilever

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Topics: Cantilevers , Elongation , Lubricants , Separation (Technology) , Transients (Dynamics) , Adhesion , Scanning probe microscopy , Silicon , Vibration

Study of Transverse Flow Effects on Particle Flows and Contamination of Air Bearing Sliders

Xinjiang Shen, Graduate Student,, Mike Suk, David B. Bogy, Fellow ASME,

J. Tribol. October 2004, 126(4): 745–750. doi: https://doi.org/10.1115/1.1757489

Abstract

View articletitled, Study of Transverse Flow Effects on Particle Flows and Contamination of Air Bearing Sliders

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Topics: Air bearings , Contamination , Disks , Flow (Dynamics) , Particle flow , Particulate matter , Lift (Fluid dynamics) , Air flow , Drag (Fluid dynamics)

Spreading of Novel Cyclotriphosphazine-Terminated PFPE Films on Carbon Surfaces

Norio Tagawa, Professor, Tadao Tateyama, Atsunobu Mori, Professor, Nagayoshi Kobayashi, Yoshinobu Fujii, Masako Ikegami

J. Tribol. October 2004, 126(4): 751–754. doi: https://doi.org/10.1115/1.1760765

Abstract

View articletitled, Spreading of Novel Cyclotriphosphazine-Terminated PFPE Films on Carbon Surfaces

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Topics: Carbon , Diffusion (Physics) , Disks , Film thickness , Lubricants , Mechanical admittance , Adhesion

Direct Visualization of Molecularly Thin Lubricant Films on Magnetic Disks by Ellipsometric Microscopy With a White Light Source

Kenji Fukuzawa, Akira Nakada, Yasunaga Mitsuya, Hedong Zhang

J. Tribol. October 2004, 126(4): 755–760. doi: https://doi.org/10.1115/1.1792694

Abstract

View articletitled, Direct Visualization of Molecularly Thin Lubricant Films on Magnetic Disks by Ellipsometric Microscopy With a White Light Source

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Topics: Disks , Light sources , Lubricants , Microscopes , Noise (Sound) , Optical interference , Visualization , Wavelength , Resolution (Optics) , Lasers

Extracting Summit Roughness Parameters From Random Gaussian Surfaces Accounting for Asymmetry of the Summit Heights

Ning Yu, Andreas A. Polycarpou

J. Tribol. October 2004, 126(4): 761–766. doi: https://doi.org/10.1115/1.1792698

Abstract

View articletitled, Extracting Summit Roughness Parameters From Random Gaussian Surfaces Accounting for Asymmetry of the Summit Heights

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Topics: Engineering simulation , Gaussian distribution , Simulation , Surface roughness , Accounting , Density

Study of Nanoindentation Using FEM Atomic Model

Yeau-Ren Jeng, Professor, Chung-Ming Tan

J. Tribol. October 2004, 126(4): 767–774. doi: https://doi.org/10.1115/1.1792679

Abstract

View articletitled, Study of Nanoindentation Using FEM Atomic Model

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Topics: Deformation , Finite element analysis , Nanoindentation , Stress , Thin films , Simulation , Finite element methods , Atoms

Nanomechanical and Nanotribological Properties of an Antiwear Tribofilm Produced from Phosphorus-Containing Additives on Boundary-Lubricated Steel Surfaces

K. Komvopoulos, Professor Fellow ASME, V. Do, Research Engineer, E. S. Yamaguchi, P. R. Ryason

J. Tribol. October 2004, 126(4): 775–780. doi: https://doi.org/10.1115/1.1792696

Abstract

View articletitled, Nanomechanical and Nanotribological Properties of an Antiwear Tribofilm Produced from Phosphorus-Containing Additives on Boundary-Lubricated Steel Surfaces

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Topics: Friction , Steel , Tribological films , Wear , Stress , Elastic moduli , Contact resistance , Nanoindentation , Surface roughness

Rub-Groove Width and Depth Effects on Flow Predictions for Straight-Through Labyrinth Seals

David L. Rhode, Professor, Richard G. Adams

J. Tribol. October 2004, 126(4): 781–787. doi: https://doi.org/10.1115/1.1760555

Abstract

View articletitled, Rub-Groove Width and Depth Effects on Flow Predictions for Straight-Through Labyrinth Seals

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Topics: Clearances (Engineering) , Flow (Dynamics) , Leakage , Turbulence , Pressure

Near-Contact Laser Surface Textured Dry Gas Seals

A. D. McNickle, Mem. ASME, I. Etsion, Fellow ASME

J. Tribol. October 2004, 126(4): 788–794. doi: https://doi.org/10.1115/1.1792695

Abstract

View articletitled, Near-Contact Laser Surface Textured Dry Gas Seals

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Topics: Friction , Gas turbines , Inspection , Lasers , Rotors , Temperature , Torque , Stress , Carbon , Wear

Mechanics of Loading for Electroplated Cubic Boron Nitride (CBN) Wheels During Grinding of a Nickel-Based Superalloy in Water-Based Lubricating Fluids

Frank C. Gift,, Jr., Wojciech Z. Misiolek, Edwin Force, II

J. Tribol. October 2004, 126(4): 795–801. doi: https://doi.org/10.1115/1.1760763

Abstract

View articletitled, Mechanics of Loading for Electroplated Cubic Boron Nitride (CBN) Wheels During Grinding of a Nickel-Based Superalloy in Water-Based Lubricating Fluids

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Topics: Alloys , Fluids , Grinding , Grinding wheels , Superalloys , Water , Wheels , Adhesion , Nickel , Lubricants

Wear-Rate Uncertainty Analysis

Tony L. Schmitz, Jason E. Action, David L. Burris, John C. Ziegert, W. Gregory Sawyer

J. Tribol. October 2004, 126(4): 802–808. doi: https://doi.org/10.1115/1.1792675

Abstract

View articletitled, Wear-Rate Uncertainty Analysis

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Topics: Uncertainty , Wear , Uncertainty analysis

Microstructural Characterization of Ti-6Al-4V Subjected to Fretting

Dana R. Swalla, Graduate Research Assistant, Richard W. Neu, Associate Professor, David L. McDowell, Regent’s Professor

J. Tribol. October 2004, 126(4): 809–816. doi: https://doi.org/10.1115/1.1792677

Abstract

View articletitled, Microstructural Characterization of Ti-6Al-4V Subjected to Fretting

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Topics: Cracking (Materials) , Cycles , Deformation , Displacement , Electron backscatter diffraction , Fracture (Materials) , Fracture (Process) , Nanoindentation , Texture (Materials) , Microhardness

Technical Notes

On the Limiting Load-Carrying Capacity of Foil Bearings

Z.-C. Peng, M. M. Khonsari

J. Tribol. October 2004, 126(4): 817–818. doi: https://doi.org/10.1115/1.1792697

Abstract

View articletitled, On the Limiting Load-Carrying Capacity of Foil Bearings

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Topics: Bearings , Foil bearings , Load bearing capacity , Pressure , Stress , Machinery

On the Significance of Thermal and Deformation Effects on a Plain Journal Bearing Subjected to Severe Operating Conditions

J. Bouyer, M. Fillon

J. Tribol. October 2004, 126(4): 819–822. doi: https://doi.org/10.1115/1.1792678

Abstract

View articletitled, On the Significance of Thermal and Deformation Effects on a Plain Journal Bearing Subjected to Severe Operating Conditions

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Topics: Bearings , Deformation , Temperature , Film thickness , Pressure , Temperature effects , Thermal expansion , Bushings , Journal bearings

Research Papers

Assessment of Nominal Contact Area Parameters by Means of Ultrasonic Waves

Fractal Model Developed for Elliptic Elastic-Plastic Asperity Microcontacts of Rough Surfaces

Surface Cracking in Elastic-Plastic Multi-Layered Media Due to Repeated Sliding Contact

A Nonlinear Structure Based Elastohydrodynamic Analysis Method for Connecting Rod Big End Bearings of High Performance Engines

The Effects of a Stationary Surface Pocket on EHL Line Contact Start-Up

Cage Instabilities in Cylindrical Roller Bearings

In Situ Observation of Microwedge Effect on Liquid Lubrication

The High Pressure Rheology of Mixtures

Some Remarks on the Validity of Reynolds Equation in the Modeling of Lubricant Film Flows on the Surface Roughness Scale

Hydrodynamic Performance of Gas Microbearings

A Study on Squeeze Films Between Porous Rubber Surface and Rigid Surface: Analysis Based on the Viscoelastic Continuum Model

Actual Eyring Models for Thixotropy and Shear-Thinning: Experimental Validation and Application to EHD

Comparison of Homogenization and Direct Techniques for the Treatment of Roughness in Incompressible Lubrication

Measurement of Adhesion Force and Elongation of Molecularly Thin Lubricant by Using Transient Response of SPM Cantilever

Study of Transverse Flow Effects on Particle Flows and Contamination of Air Bearing Sliders

Spreading of Novel Cyclotriphosphazine-Terminated PFPE Films on Carbon Surfaces

Direct Visualization of Molecularly Thin Lubricant Films on Magnetic Disks by Ellipsometric Microscopy With a White Light Source

Extracting Summit Roughness Parameters From Random Gaussian Surfaces Accounting for Asymmetry of the Summit Heights

Study of Nanoindentation Using FEM Atomic Model

Nanomechanical and Nanotribological Properties of an Antiwear Tribofilm Produced from Phosphorus-Containing Additives on Boundary-Lubricated Steel Surfaces

Rub-Groove Width and Depth Effects on Flow Predictions for Straight-Through Labyrinth Seals

Near-Contact Laser Surface Textured Dry Gas Seals

Mechanics of Loading for Electroplated Cubic Boron Nitride (CBN) Wheels During Grinding of a Nickel-Based Superalloy in Water-Based Lubricating Fluids

Wear-Rate Uncertainty Analysis

Microstructural Characterization of Ti-6Al-4V Subjected to Fretting

Technical Notes

On the Limiting Load-Carrying Capacity of Foil Bearings

On the Significance of Thermal and Deformation Effects on a Plain Journal Bearing Subjected to Severe Operating Conditions

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