Volume 136 Issue 4 | J. Tribol. | ASME Digital Collection

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Research Papers

Applications

Wear Prediction of a Mechanism With Joint Clearance Involving Aleatory and Epistemic Uncertainty

Dongyang Sun, Guoping Chen, Tiecheng Wang, Rujie Sun

J. Tribol. October 2014, 136(4): 041101. doi: https://doi.org/10.1115/1.4027607

Abstract

View articletitled, Wear Prediction of a Mechanism With Joint Clearance Involving Aleatory and Epistemic Uncertainty

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Topics: Clearances (Engineering) , Uncertainty , Wear

Improving Erosion Resistance of Hydroturbine Steel Using Friction Stir Processing

H. S. Grewal, H. S. Arora, H. Singh, Anupam Agrawal, S. Mukherjee

J. Tribol. October 2014, 136(4): 041102. doi: https://doi.org/10.1115/1.4027622

Abstract

View articletitled, Improving Erosion Resistance of Hydroturbine Steel Using Friction Stir Processing

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Topics: Erosion , Steel , Slurries , Testing , Friction

Contact Mechanics

Tangential Contact Stiffness of Rough Cylindrical Faying Surfaces Based on the Fractal Theory

Junping Shi, Xiaoshan Cao, Hong Zhu

J. Tribol. October 2014, 136(4): 041401. doi: https://doi.org/10.1115/1.4028042

Abstract

View articletitled, Tangential Contact Stiffness of Rough Cylindrical Faying Surfaces Based on the Fractal Theory

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Topics: Fractals , Stiffness , Surface roughness , Stress

Elastohydrodynamic Lubrication

Elastohydrodynamic Lubrication Analysis of Point Contacts With Consideration of Material Inhomogeneity

Zhang Shengguang, Wang Wenzhong, Zhao Ziqiang

J. Tribol. October 2014, 136(4): 041501. doi: https://doi.org/10.1115/1.4027750

Abstract

View articletitled, Elastohydrodynamic Lubrication Analysis of Point Contacts With Consideration of Material Inhomogeneity

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Topics: Displacement , Film thickness , Pressure , Stress , Lubrication , Elastohydrodynamic lubrication , Stress concentration

Partial Film Lubrication Characteristics of Inlet Zone in Cold Strip Rolling

Kuo Fu, Yong Zang, Zhiying Gao

J. Tribol. October 2014, 136(4): 041502. doi: https://doi.org/10.1115/1.4027858

Abstract

View articletitled, Partial Film Lubrication Characteristics of Inlet Zone in Cold Strip Rolling

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Topics: Film thickness , Lubrication , Pressure , Surface roughness , Flow (Dynamics)

Occurrence of High Pressure Spike in Unidirectional Start–Stop–Start Point Contacts

P. Sperka, J. Wang, I. Krupka, M. Hartl, M. Kaneta

J. Tribol. October 2014, 136(4): 041503. doi: https://doi.org/10.1115/1.4028029

Abstract

View articletitled, Occurrence of High Pressure Spike in Unidirectional Start–Stop–Start Point Contacts

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Topics: Film thickness , Pressure , High pressure (Physics)

New Central Film Thickness Equation for Shear Thinning Lubricants in Elastohydrodynamic Lubricated Rolling/Sliding Point Contact Conditions

Puneet Katyal, Punit Kumar

J. Tribol. October 2014, 136(4): 041504. doi: https://doi.org/10.1115/1.4028044

Abstract

View articletitled, New Central Film Thickness Equation for Shear Thinning Lubricants in Elastohydrodynamic Lubricated Rolling/Sliding Point Contact Conditions

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Topics: Film thickness , Lubricants , Pressure , Shear (Mechanics) , Viscosity , Stress , Fluids

Hydrodynamic Lubrication

A Theoretical Analysis of the Mixed Elastohydrodynamic Lubrication in Elliptical Contacts With an Arbitrary Entrainment Angle

Wei Pu, Jiaxu Wang, Ying Zhang, Dong Zhu

J. Tribol. October 2014, 136(4): 041505. doi: https://doi.org/10.1115/1.4028126

Abstract

View articletitled, A Theoretical Analysis of the Mixed Elastohydrodynamic Lubrication in Elliptical Contacts With an Arbitrary Entrainment Angle

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Topics: Film thickness , Stress , Elastohydrodynamic lubrication , Curve fitting , Lubricants

A New Structural Stiffness Model for Bump-Type Foil Bearings: Application to Generation II Gas Lubricated Foil Thrust Bearing

Abdelrasoul M. Gad, Shigehiko Kaneko

J. Tribol. October 2014, 136(4): 041701. doi: https://doi.org/10.1115/1.4027601

Abstract

View articletitled, A New Structural Stiffness Model for Bump-Type Foil Bearings: Application to Generation II Gas Lubricated Foil Thrust Bearing

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Topics: Bearings , Deflection , Foil bearings , Friction , Stiffness , Stress , Strips , Thrust bearings , Pressure , Load bearing capacity

Influence of Geometric Shapes on the Hydrodynamic Lubrication of a Partially Textured Slider With Micro-Grooves

Jinghu Ji, Yonghong Fu, Qinsheng Bi

J. Tribol. October 2014, 136(4): 041702. doi: https://doi.org/10.1115/1.4027633

Abstract

View articletitled, Influence of Geometric Shapes on the Hydrodynamic Lubrication of a Partially Textured Slider With Micro-Grooves

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Topics: Lubrication , Pressure , Shapes

The Effect of Wear on the Performance of a Rotary Lip Seal

Fei Guo, Xiaohong Jia, Wang Longke, Richard F. Salant, Yuming Wang

J. Tribol. October 2014, 136(4): 041703. doi: https://doi.org/10.1115/1.4027623

Abstract

View articletitled, The Effect of Wear on the Performance of a Rotary Lip Seal

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Topics: Sealing (Process) , Wear , Friction , Surface roughness , Torque , Lubrication

Journal Bearing Stiffness and Damping Coefficients Using Nanomagnetorheological Fluids and Stability Analysis

D. A. Bompos, P. G. Nikolakopoulos

J. Tribol. October 2014, 136(4): 041704. doi: https://doi.org/10.1115/1.4027748

Abstract

View articletitled, Journal Bearing Stiffness and Damping Coefficients Using Nanomagnetorheological Fluids and Stability Analysis

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Topics: Bearings , Damping , Fluids , Journal bearings , Stability , Stiffness , Nuclear magnetic resonance , Lubricants , Magnetic fields , Simulation

Nonlinear Dynamic Analysis of High Speed Oil-Free Turbomachinery With Focus on Stability and Self-Excited Vibration

P. Bonello, H. M. Pham

J. Tribol. October 2014, 136(4): 041705. doi: https://doi.org/10.1115/1.4027859

Abstract

View articletitled, Nonlinear Dynamic Analysis of High Speed Oil-Free Turbomachinery With Focus on Stability and Self-Excited Vibration

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Topics: Bearings , Dynamic analysis , Equilibrium (Physics) , Limit cycles , Rotors , Simulation , Stability , Turbochargers , Turbomachinery , Vibration

Asymptotic Approximation of Laminar Lubrication Thermal Field at Low Reduced Peclet and Brinkman Number

Per Johansen, Daniel B. Roemer, Torben O. Andersen, Henrik C. Pedersen

J. Tribol. October 2014, 136(4): 041706. doi: https://doi.org/10.1115/1.4027957

Abstract

View articletitled, Asymptotic Approximation of Laminar Lubrication Thermal Field at Low Reduced Peclet and Brinkman Number

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Topics: Approximation , Convection , Heat conduction , Lubricants , Lubrication , Temperature , Film thickness , Boundary-value problems

Thermal Behavior of Multidisk Friction Pairs in Hydroviscous Drive Considering Inertia Item

Fangwei Xie, Jianzhong Cui, Gang Sheng, Cuntang Wang, Xianjun Zhang

J. Tribol. October 2014, 136(4): 041707. doi: https://doi.org/10.1115/1.4028062

Abstract

View articletitled, Thermal Behavior of Multidisk Friction Pairs in Hydroviscous Drive Considering Inertia Item

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Topics: Friction , Inertia (Mechanics) , Temperature , Pressure , Viscosity , Disks , Torque

A Homogeneous Phase Change Model for Two-Phase Mechanical Seals With Three-Dimensional Face Structures

Tao Wang, Weifeng Huang, Ying Liu, Xiangfeng Liu, Yuming Wang

J. Tribol. October 2014, 136(4): 041708. doi: https://doi.org/10.1115/1.4028043

Abstract

View articletitled, A Homogeneous Phase Change Model for Two-Phase Mechanical Seals With Three-Dimensional Face Structures

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Topics: Dams , Flow (Dynamics) , Pressure , Temperature , Vapors , Boiling , Film flow , Mass transfer

Friction & Wear

Dry Sliding Wear Studies of Copper-Based Powder Metallurgy Brake Materials

Glenn Kwabena Gyimah, Ping Huang, Dong Chen

J. Tribol. October 2014, 136(4): 041601. doi: https://doi.org/10.1115/1.4027477

Abstract

View articletitled, Dry Sliding Wear Studies of Copper-Based Powder Metallurgy Brake Materials

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Topics: Brakes , Friction , Sintering , Temperature , Wear , Disks , Density , Porosity

Erosive Wear Study of HVOF Spray Cr₃C₂–NiCr Coated CA6NM Turbine Steel

Deepak Kumar Goyal, Harpreet Singh, Harmesh Kumar, Varinder Sahni

J. Tribol. October 2014, 136(4): 041602. doi: https://doi.org/10.1115/1.4027621

Abstract

View articletitled, Erosive Wear Study of HVOF Spray Cr<sub>3</sub>C<sub>2</sub>–NiCr Coated CA6NM Turbine Steel

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Topics: Coatings , Erosion , Particle size , Slurries , Sprays , Steel , Wear , Particulate matter , Coating processes

Thermal Degradation and Burnishing Wear of Thin Carbon Film by Frictional Heat Generation

Sungae Lee, Muyang He, Chang-Dong Yeo

J. Tribol. October 2014, 136(4): 041603. doi: https://doi.org/10.1115/1.4027749

Abstract

View articletitled, Thermal Degradation and Burnishing Wear of Thin Carbon Film by Frictional Heat Generation

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Topics: Carbon films , Disks , Heat , Heat flux , Temperature , Thermomechanics , Wear , Surface roughness

Lubricants

Tribological Properties of Carbon Nanocapsule Particles as Lubricant Additive

Yeau-Ren Jeng, Yao-Huei Huang, Ping-Chi Tsai, Gan-Lin Hwang

J. Tribol. October 2014, 136(4): 041801. doi: https://doi.org/10.1115/1.4027994

Abstract

View articletitled, Tribological Properties of Carbon Nanocapsule Particles as Lubricant Additive

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Topics: Carbon , Computer numerical control machine tools , Friction , Lubricants , Lubrication , Particulate matter , Tribology , Wear , Stress , Nanoparticles

Magnetic Storage

The Gas Bearing Interface of Opposed Recording Heads in a Disk Drive Utilizing Helium and Thin Titanium Foil Disks

James White

J. Tribol. October 2014, 136(4): 041901. doi: https://doi.org/10.1115/1.4027899

Abstract

View articletitled, The Gas Bearing Interface of Opposed Recording Heads in a Disk Drive Utilizing Helium and Thin Titanium Foil Disks

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Topics: Disks , Gas bearings , Helium , Titanium , Impulse (Physics)

Technical Brief

Surface Layer Modification of 6061 Al Alloy by Friction Stir Processing and Second Phase Hard Particles for Improved Friction and Wear Performance

M. Cinta Lorenzo-Martin, Oyelayo O. Ajayi

J. Tribol. October 2014, 136(4): 044501. doi: https://doi.org/10.1115/1.4027860

Abstract

View articletitled, Surface Layer Modification of 6061 Al Alloy by Friction Stir Processing and Second Phase Hard Particles for Improved Friction and Wear Performance

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Topics: Aluminum alloys , Friction , Particulate matter , Wear

The Importance of the Heat Capacity of Lubricants With Nanoparticles in the Static Behavior of Journal Bearings

Rodrigo Nicoletti

J. Tribol. October 2014, 136(4): 044502. doi: https://doi.org/10.1115/1.4027861

Abstract

View articletitled, The Importance of the Heat Capacity of Lubricants With Nanoparticles in the Static Behavior of Journal Bearings

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Topics: Bearings , Fluids , Heat capacity , Journal bearings , Lubricants , Nanofluids , Nanoparticles , Stress , Temperature , Viscosity

Research Papers

Applications

Wear Prediction of a Mechanism With Joint Clearance Involving Aleatory and Epistemic Uncertainty

Improving Erosion Resistance of Hydroturbine Steel Using Friction Stir Processing

Contact Mechanics

Tangential Contact Stiffness of Rough Cylindrical Faying Surfaces Based on the Fractal Theory

Elastohydrodynamic Lubrication

Elastohydrodynamic Lubrication Analysis of Point Contacts With Consideration of Material Inhomogeneity

Partial Film Lubrication Characteristics of Inlet Zone in Cold Strip Rolling

Occurrence of High Pressure Spike in Unidirectional Start–Stop–Start Point Contacts

New Central Film Thickness Equation for Shear Thinning Lubricants in Elastohydrodynamic Lubricated Rolling/Sliding Point Contact Conditions

Hydrodynamic Lubrication

A Theoretical Analysis of the Mixed Elastohydrodynamic Lubrication in Elliptical Contacts With an Arbitrary Entrainment Angle

A New Structural Stiffness Model for Bump-Type Foil Bearings: Application to Generation II Gas Lubricated Foil Thrust Bearing

Influence of Geometric Shapes on the Hydrodynamic Lubrication of a Partially Textured Slider With Micro-Grooves

The Effect of Wear on the Performance of a Rotary Lip Seal

Journal Bearing Stiffness and Damping Coefficients Using Nanomagnetorheological Fluids and Stability Analysis

Nonlinear Dynamic Analysis of High Speed Oil-Free Turbomachinery With Focus on Stability and Self-Excited Vibration

Asymptotic Approximation of Laminar Lubrication Thermal Field at Low Reduced Peclet and Brinkman Number

Thermal Behavior of Multidisk Friction Pairs in Hydroviscous Drive Considering Inertia Item

A Homogeneous Phase Change Model for Two-Phase Mechanical Seals With Three-Dimensional Face Structures

Friction & Wear

Dry Sliding Wear Studies of Copper-Based Powder Metallurgy Brake Materials

Erosive Wear Study of HVOF Spray Cr₃C₂–NiCr Coated CA6NM Turbine Steel

Thermal Degradation and Burnishing Wear of Thin Carbon Film by Frictional Heat Generation

Lubricants

Tribological Properties of Carbon Nanocapsule Particles as Lubricant Additive

Magnetic Storage

The Gas Bearing Interface of Opposed Recording Heads in a Disk Drive Utilizing Helium and Thin Titanium Foil Disks

Technical Brief

Surface Layer Modification of 6061 Al Alloy by Friction Stir Processing and Second Phase Hard Particles for Improved Friction and Wear Performance

The Importance of the Heat Capacity of Lubricants With Nanoparticles in the Static Behavior of Journal Bearings

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