Lubrication at the Frontier: The Role of the Interface and Surface Layers in the Thin Film and Boundary Regime: The Role of the Interface and Surface Layers in the Thin Film and Boundary Regime
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Table of contents
- Cover
- Contentsix
- Introductionv
- Session I: Keynote Address1
- Role of Surface-Anchored Polymer Chains in Polymer Friction3
- Session II: Invited Session11
- Fuel Efficient Engine Oils, Additive Interactions, Boundary Friction and Wear13
- For the Establishment of a New EHL Theory25
- Session III: Surface Force Applications37
- Structure and Mechanical Properties of ZDTP Films in Oil39
- The Boundary Lubrication of Glass-Glass Contacts by Mixed Alkyl Alcohol and Cationic Surfactant Syst49
- Mechanism of Friction Across Molecularly Confined Films of Simple Liquids59
- Session IV: Asperity Contacts65
- Adhesion at Single Point Contacts67
- The Influence of Pressure, Boundary Film Shear Strength and Elasticity on the Friction Between a Har79
- Effect of Surface Morphology upon Friction of a Metal Substrate Sliding Against Hot Viscous Melt Und91
- Investigation of Surface Deformation and Friction when a Hard Cylindrical Asperity Slides over a Sof101
- Session V: Coatings111
- A Tribological Comparison of Some Carbon-Carbon Composites Sliding Against Stainless Steel113
- Low Friction and Low Damage Properties of Diamond with Water Boundary Lubrication123
- Study on the Friction Characteristics of the Metal with Harder Thin Film133
- A Comparative Study of the Tribological Behaviour of TiN and ZrN PVD Coatings141
- Session VI: Roughness and Elastohydrodynamic Lubrication149
- Amplitude Reduction of Non-lsotropic Harmonic Patterns in Circular EHL Contacts, under Pure Rolling151
- Thin Film, Time Dependent, Micro-EHL Solutions with Real Surface Roughness163
- Mapping of Surface Features in the Thin Film Lubrication Regime175
- The Effects of Transversely Oriented Bump on Point Contact EHL Films in Reciprocating Motion with a185
- Surface Roughness Modification in EHL Line Contacts - the Effect of Roughness Wavelength, Orientatio193
- Session VII: Stribeck Curves203
- The Importance of the Stribeck Curve in the Minimisation of Engine Friction205
- Theoretical and Experimental Results on Friction for Line Contacts in Mixed and Elastohydrodynamic L215
- Isoviscous-EHL and Mixed Lubrication Mechanism of Parallel Slide- Way with Oil Groove223
- Calculation of a Stribeck Curve of a Journal Bearing231
- Real Contact Area, Contact Temperature Rise and Transfer Film Formation Between Original and Worn Su241
- Session VIII: Contact Fatigue253
- Shakedown in Dry and Lubricated Surfaces255
- The Fatigue Behaviour of Chamfered Steel Cylinders267
- The Mechanism of Bearing Surface Fatigue - Effect of Friction and Tensile Hoop Stress on Surface Pla277
- Behaviour of Metallic Additive in Composite Metal - Carbon/Steel Brake in Severe Friction Test289
- The Influence of Lubricant Type on Rolling Contact Fatigue of Pearlitic Rail Steel299
- Session IX: Boundary and Mixed Lubrication I311
- Low Friction Force of Diamond Sliding on Ag Thin Films Deposited on Si(lll) Plate313
- Experimental Modelling of Boundary Lubrication Using an Ultra High Vacuum Tribometer323
- Fundamentals on the Friction Mechanism of Diamond-Like Carbon Films333
- Bench Test Study of Piston Ring Flank and Piston Groove Interaction343
- Session X: Roughness353
- The Effect of Roughness Orientation on Mixed Friction355
- A Transient Thermohydrodynamic Analysis of Dynamically Loaded Finite Journal Bearings with Rough Sur367
- The Multi-Scale Mathematical Microscopy of Surface Roughness Incidence in Tribology379
- Sclerotopometric Measurements Assisted by Statistical Methodology for Better Understanding of Abrasi391
- Session XI: Tribochemistry403
- Transfer Phenomena and Chemical Reactions in MoS2 Lubricated Contacts405
- Imaging the Chemistry of Transfer Films in AES/XPS Analytical UHV Tribotester413
- The Role of a Reactant Film on Water-Lubricated Si3N4/hBN Surfaces423
- Tribochemical Interactions Between Micellar Calcium Borate and ZDDP : Evidence for Borophosphate Tri433
- The Wear Behaviour of a Thin MoS2 Coating, as Studied by Triboscopic Measurements in Friction and El439
- Session XII: Molecular Modelling449
- Modelling Tribochemical Processes Using a Combined Molecular and Hydrodynamic Approach451
- A Molecular-Scale View on Rotary Lip Sealing Phenomena457
- Hybrid Molecular Dynamics and Continuum Mechanics Analysis of Thin Film Lubrication467
- A Dynamic Model of the Transfer and Wear Processes Using Soap Bubble Rafts475
- Session XIII: Elastohydrodynamic Lubrication 1481
- An Analysis of Track Replenishment Mechanisms in the Starved Regime483
- Shearing of Adsorbed Polymer Layers in an Elastohydrodynamic Contact in Pure Sliding493
- Film Thickness, Pressure Distribution and Traction In Sliding EHL Conjunctions505
- Elastohydrodynamic Lubrication Characteristics of Electrorheological Fluids517
- Elastohydrodynamic Squeeze of Thin Films for the Sphere-Plane Contact523
- Session XIV: Solid and Powder Lubrication535
- On the Rheodynamics of Powder Lubricated Journal Bearing : Theory and Experiment537
- First Steps for a Rheological Model for the Solid Third Body551
- Third Body Mechanisms in Dry Friction of Carbon-Fibre-Reinforced (SIC) Ceramic Matrix Composites561
- The Effect of Hollow Nanoparticles of WS2 on Friction and Wear567
- Session XV: Lubricants575
- Choking of Flow Restrictor Caused by Calcium-Detergent in Lubricating Oil577
- IR Spectrocscopic Analysis of Grease Lubricant Films in Rolling Contacts589
- Service Life and Lubrication Conditions of Different Grease Types in High-Speed Rolling Bearings601
- The Inclusion of Lubricant Shear Thinning in Journal Bearing Models611
- French Contribution to the Study of Lubrication, Oiliness, Molecular Influences. Application to Watc621
- Session XVl: Friction and Wear633
- Effects of Composition and Surface Finish of Silicon Nitride Tappet Inserts on Valvetrain Friction635
- Wear Modes in Lubricated Brass-Tungsten Carbide Contact645
- Influence of Lubricant Properties and Temperature on the Scuffing Failure of FZG Gears655
- Surface and Near-Surface Interactions Affecting Friction and Wear665
- Conception of Numerical and Experimental Tools for Study of the Tribological Transformation of Surfa673
- Session XVll: Elastohydrodynamic Lubrication 2683
- Thermal Effects in Elliptical Contacts with Spin Conditions685
- Contact Dynamics in Starved Elastohydrodynamic Lubrication705
- New Tools for the Experimental Study of EHD and Limit Lubrications717
- Lubrication Theory as a Means of Unravelling Flow Structure in Thin Film Roll Coating Systems727
- Role of Surface Layers of Natural and Artificial Cartilage in Thin Film Lubrication737
- Session XVIII: Lubrication and Friction749
- An Investigation on the Antifriction Performance of Some Organomolybdenum Additives751
- The Behaviour of Molybedenum Dialkyldithiocarbamate Friction Modifier Additives759
- Traction and Film Thickness Characteristics of Traction Fluids in High Speed Elastohydrodynamic Cont767
- Development of an Apparatus for the Direct Measurement of Traction Coefficients for Lubricants; Prel779
- Effect of Particles Concentration on Friction789
- Session XlX: Boundary and Mixed Lubrication 2797
- The Effect of Molecular Structure on Boundary and Mixed Lubrication by Synthetic Fluids -An Overview799
- Investigation on Soot Dispersant Properties and Wear Effects in the Boundary Lubrication Regime809
- Water in Confined Geometry, an Approach to the Behaviour of Fluids in Boundary Lubrication821
- Solidified Films and Adsorbed Films in Concentrated Contacts829
- Written Discussion839
- List of Delegates877
The 25th Leeds-Lyon Symposium on Tribology was held at the Institut des Sciences Appliquées de Lyon, from 8-11th September, 1998. Its central theme was, "Lubrication at the frontier: the role of the interface and surface layers in the thin film and boundary regime". This topic was chosen because it represents an important evolution of the research field.
The Symposium opened with a keynote address entitled "Role of surface-anchored polymer chains in polymer friction" which described the processes taking place at the interface between "solid" and "liquid". The keynote address was followed by two invited lectures. Firstly, "Fuel efficient engine oils, additive interactions, boundary friction and wear" presented the industrial point of view on lubricant formulation and engine testing and its evolution. The second lecture was entitled "For establishment of a new EHL theory" and stressed the need to extend the current EHL theory.
Beginning in 1974, The Leeds-Lyon Symposia have now covered a wide range of topics. The essential aim each year is to select a topic of current interest to tribologists and to contribute to further the advance of knowledge in selected fields.
The Symposium opened with a keynote address entitled "Role of surface-anchored polymer chains in polymer friction" which described the processes taking place at the interface between "solid" and "liquid". The keynote address was followed by two invited lectures. Firstly, "Fuel efficient engine oils, additive interactions, boundary friction and wear" presented the industrial point of view on lubricant formulation and engine testing and its evolution. The second lecture was entitled "For establishment of a new EHL theory" and stressed the need to extend the current EHL theory.
Beginning in 1974, The Leeds-Lyon Symposia have now covered a wide range of topics. The essential aim each year is to select a topic of current interest to tribologists and to contribute to further the advance of knowledge in selected fields.