Volume 131 Issue 3 | J. Tribol. | ASME Digital Collection

Topics: Contact mechanics , Deformation , Film thickness , Flow (Dynamics) , Fluid mechanics , Fluid pressure , Fluids , Friction , Leakage , Pressure

Friction & Wear

Fractal Characterization of Slurry Eroded Surfaces at Different Impact Angles

Abouel-Kasem, M. A. Al-Bukhaiti, K. M. Emara, S. M. Ahmed

J. Tribol. July 2009, 131(3): 031601. doi: https://doi.org/10.1115/1.3118784

Abstract

View articletitled, Fractal Characterization of Slurry Eroded Surfaces at Different Impact Angles

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Topics: Fractals , Slurries , Erosion

Junction Growth and Energy Dissipation at the Very Early Stage of Elastic-Plastic Spherical Contact Fretting

A. Ovcharenko, I. Etsion

J. Tribol. July 2009, 131(3): 031602. doi: https://doi.org/10.1115/1.3123345

Abstract

View articletitled, Junction Growth and Energy Dissipation at the Very Early Stage of Elastic-Plastic Spherical Contact Fretting

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Topics: Copper , Cycles , Deformation , Displacement , Energy dissipation , Friction , Junctions , Steel , Stress , Tangential loading

Tribological Behavior of Plasma Nitrided 1Cr18Ni9Ti Austenitic Stainless Steel Under the Effect of Lubricant Additives

Jian Fang, Yanqiu Xia, Yimin Lin, Weimin Liu

J. Tribol. July 2009, 131(3): 031603. doi: https://doi.org/10.1115/1.3139055

Abstract

View articletitled, Tribological Behavior of Plasma Nitrided 1Cr18Ni9Ti Austenitic Stainless Steel Under the Effect of Lubricant Additives

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Topics: Friction , Plasmas (Ionized gases) , Stainless steel , Wear , Lubrication , Tribology

Studies on Friction and Formation of Transfer Layer in HCP Metals

Pradeep L. Menezes, Kishore, Satish V. Kailas, Michael R. Lovell

J. Tribol. July 2009, 131(3): 031604. doi: https://doi.org/10.1115/1.3142904

Abstract

View articletitled, Studies on Friction and Formation of Transfer Layer in HCP Metals

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Topics: Friction , Pins (Engineering) , Plates (structures) , Steel , Surface texture , Surface roughness , Stick-slip , Metals , Stress , Adhesion

Investigation Into Cavitation Erosion Pits

A. Abouel-Kasem, A. Ezz El-Deen, K. M. Emara, S. M. Ahmed

J. Tribol. July 2009, 131(3): 031605. doi: https://doi.org/10.1115/1.3075863

Abstract

View articletitled, Investigation Into Cavitation Erosion Pits

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Topics: Aluminum , Brass (Metal) , Cavitation , Cavitation erosion , Erosion , Fatigue , Particulate matter , Shapes , Shock waves , Stainless steel

Hydrodynamic Lubrication

Derivation of Modified Reynolds Equation: A Porous Media Model With Effects of Electrokinetics

Wang-Long Li

J. Tribol. July 2009, 131(3): 031701. doi: https://doi.org/10.1115/1.3140610

Abstract

View articletitled, Derivation of Modified Reynolds Equation: A Porous Media Model With Effects of Electrokinetics

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Topics: Bearings , Density , Electrokinetics , Flow (Dynamics) , Lubrication , Permeability , Porous materials , Stress , Viscosity , Lubrication theory

A Mass-Conserving Algorithm for Dynamical Lubrication Problems With Cavitation

Roberto F. Ausas, Mohammed Jai, Gustavo C. Buscaglia

J. Tribol. July 2009, 131(3): 031702. doi: https://doi.org/10.1115/1.3142903

Abstract

View articletitled, A Mass-Conserving Algorithm for Dynamical Lubrication Problems With Cavitation

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Topics: Algorithms , Cavitation , Flow (Dynamics) , Journal bearings , Lubrication , Pressure , Boundary-value problems

Magnetic Storage

Lubricant Depletion and Disk-to-Head Lubricant Transfer at the Head-Disk Interface in Hard Disk Drives

Rohit P. Ambekar, David B. Bogy, C. S. Bhatia

J. Tribol. July 2009, 131(3): 031901. doi: https://doi.org/10.1115/1.3139045

Abstract

View articletitled, Lubricant Depletion and Disk-to-Head Lubricant Transfer at the Head-Disk Interface in Hard Disk Drives

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Topics: Disks , Lubricants , Design

An Efficient FE Analysis for Complex Low Flying Air-Bearing Slider Designs in Hard Disk Drives—Part I: Static Solution

Puneet Bhargava, David B. Bogy

J. Tribol. July 2009, 131(3): 031902. doi: https://doi.org/10.1115/1.3140606

Abstract

View articletitled, An Efficient FE Analysis for Complex Low Flying Air-Bearing Slider Designs in Hard Disk Drives—Part I: Static Solution

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Topics: Air bearings , Clearances (Engineering) , Disks , Finite element analysis , Inverse problems , Pressure , Pressure gradient , Steady state , Stiffness , Simulation

Micro-Nano Tribology

High-Speed Operation of a Gas-Bearing Supported MEMS-Air Turbine

C. J. Teo, L. X. Liu, H. Q. Li, L. C. Ho, S. A. Jacobson, F. F. Ehrich, A. H. Epstein, Z. S. Spakovszky

J. Tribol. July 2009, 131(3): 032001. doi: https://doi.org/10.1115/1.3123343

Abstract

View articletitled, High-Speed Operation of a Gas-Bearing Supported MEMS-Air Turbine

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Topics: Bearings , Journal bearings , Rotors , Turbines , Gas bearings , Anisotropy , Flow (Dynamics) , Microelectromechanical systems , Whirls , Thrust bearings

Continuum Modeling and Analysis of the Frictional Interaction Between a CNT and a Substrate During Dragging

George G. Adams, Palaniappan Nagappan, Nicol E. McGruer

J. Tribol. July 2009, 131(3): 032002. doi: https://doi.org/10.1115/1.3142905

Abstract

View articletitled, Continuum Modeling and Analysis of the Frictional Interaction Between a CNT and a Substrate During Dragging

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Topics: Atomic force microscopy , Carbon nanotubes , Modeling , Shear stress , Shapes , Stress

Mixed and Boundary Lubrication

Synthesis and Lubrication Characteristics of Aryloxycyclophosphazenes Substituted With Imidazolium

Jinlong Li, Feng Zhou, Dapeng Feng, Yanqiu Xia, Weimin Liu

J. Tribol. July 2009, 131(3): 032101. doi: https://doi.org/10.1115/1.3118786

Abstract

View articletitled, Synthesis and Lubrication Characteristics of Aryloxycyclophosphazenes Substituted With Imidazolium

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Topics: Contact resistance , Friction , Lubrication , Tribology , Wear , Disks , Lubricants , Tribochemistry

Temperature and Water Vapor Pressure Effects on the Friction Coefficient of Hydrogenated Diamondlike Carbon Films

Pamela L. Dickrell, N. Argibay, Osman L. Eryilmaz, Ali Erdemir, W. Gregory Sawyer

J. Tribol. July 2009, 131(3): 032102. doi: https://doi.org/10.1115/1.3139047

Abstract

View articletitled, Temperature and Water Vapor Pressure Effects on the Friction Coefficient of Hydrogenated Diamondlike Carbon Films

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Topics: Friction , Pressure , Temperature , Water vapor , Carbon films , Desorption

Other (Seals, Manufacturing)

Short Term Relaxation Modeling of Valve Stem Packings

Mohammed Diany, Abdel-Hakim Bouzid

J. Tribol. July 2009, 131(3): 032201. doi: https://doi.org/10.1115/1.3118787

Abstract

View articletitled, Short Term Relaxation Modeling of Valve Stem Packings

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Topics: Packings (Cushioning) , Relaxation (Physics) , Stress , Valves , Viscoelasticity , Packing (Shipments) , Finite element analysis , Pressure , Modeling , Finite element model