Modeling and Analytical Methods in Tribology

ISBN: 9780367383794 出版年：2010 页码：928 Kudish, Ilya I Covitch, Michael Judah CRC Press

Basics of Asymptotic Expansions and Methods Introduction Ordering, Order Sequences, and Asymptotic Expansions Asymptotic Sequences and Expansions Asymptotic Methods Contact Problems for Coated and Rough Surfaces Introduction Some Classic Results for Smooth Elastic Solids Spatial Rough Contacts Modeled by Nonlinear Coating Asymptotic Analysis of Plane Rough Contacts Numerical Methods and Results for Rough Contacts Analysis of Axially Symmetric Rough Contacts An Example of an Application to Roller Bearings Closure Contact Problems with Friction Introduction Plane Frictional Contacts with Fixed Boundaries Plane Frictional Contacts with Free Boundaries Plane Frictional Rough Contacts Modeled by Nonlinear Coating Asymptotic and Numerical Analysis for Large Roughness Closure Rheology of Lubricating Oils Introduction Rheology Relationships for Lubricating Oils Polymer Thickening and Shear Stability Closure Properties of Multi-Grade Lubricating Oils Introduction Multi-Grade Lubricating Oils Viscosity Modifiers Closure Degradation of Linear Polymers Introduction Kinetic Equation for Degrading Linear Polymers Probability of Scission of Linear Polymer Molecules Conditional Probability of Scission for Linear Polymers Lubricant Viscosity and Polymeric Molecules Some Properties of the Kinetic Equation A Limiting Case of the Kinetic Equation Numerical Method for the Kinetic Equation Numerical Solutions of the Kinetic Equation Closure Degradation of Star Polymers Introduction System of Kinetic Equations for Star Polymers Probabilities of Scission Forming Star Polymeric Molecules Approximation of Star Polymer Initial Distribution Lubricant Viscosity and Polymer Distribution Some Properties of the System of Kinetic Equations Numerical Method for Kinetic Equations Numerical Results for Lubricants with Star Polymers Closure Review of Data on Contact Fatigue Introduction Contact and Residual Stresses Material Defects and Lubricant Contamination Bearing Fatigue Life and Contact Friction Crack Development and Material Microstructure Some Contemporary Contact Fatigue Models Closure Fracture Mechanics and Contact Fatigue Introduction Modeling the Vicinity of Crack Tips Perturbations for Multiple Cracks in a Half-Plane Contact Problem for a Cracked Elastic Half-Plane Directions of Fatigue Crack Propagation Lubricant-Crack Interaction: Origin of Fatigue Two-Dimensional Statistical Model of Contact Fatigue Analysis of the Pitting Model Contact Fatigue of Rough Surfaces Three-Dimensional Model of Contact Fatigue Contact Fatigue of Radial Thrust Bearings Closure Analysis of Fluid Lubricated Contacts Introduction Simplified Navier-Stokes and Energy Equations Lightly Loaded Lubrication Regimes Pre-Critical Lubrication Regimes Compressible Fluids in Heavily Loaded Contacts Over-Critical Lubrication Regimes Numerical Solution for EHL Contacts Numerical Solution of Asymptotic Equations Analysis of EHL Contacts for Soft Solids Thermal EHL Problems Regularized Solution of Asymptotic Problems Regularization of the Isothermal EHL Problem Numerical Validation of the Asymptotic Analysis Practical Use of the Asymptotic Solutions Approximations for Non-Newtonian Fluids TEHL Problems for Non-Newtonian Lubricants Regularization for Non-Newtonian Fluids Friction in Heavily Loaded Lubricated Contacts Closure Lubrication by Greases Introduction Formulation of the EHL Problems for Greases Properties of the Problem Solution for Greases Greases in a Contact of Rigid Solids Regimes of Grease Lubrication without Cores Closure Lubricant Degradation in EHL Contacts Introduction EHL for Degrading Lubricants Lubricant Flow Topology Numerical Method for EHL Problems Solutions for Lubricants without Degradation EHL Solutions for Lubricants with Degradation Lubricant Degradation and Contact Fatigue A Qualitative Model of Lubricant Life Closure Non-Steady and Mixed Friction Problems Introduction Properly Formulated Non-Steady EHL Problems Non-Steady Lubrication of a Journal Bearing Starved Lubrication and Lubricant Meniscus Formulation and Analysis of a Mixed Lubrication Problem Dry Narrow Contact of Elastic Solids Closure Index Exercises and Problems appear at the end of each chapter.