TUM Library

"This book discusses "tribological interface" that consists of two solid surfaces in contact with or without fluids in between. This specific type of interface is commonly seen in reality and extremely important in engineering applications. This book is written for engineering researchers and design engineers as well as graduate and senior undergraduate students. Mathematical treatments are tailored to a first degree in engineering often without rigorous descriptions and proofs. It focuses on the basic concepts, mathematic models, numerical solution procedures, major results and their physical meanings, as well as engineering applications"-- Provided by publisher.

Cover; Half Title; Title Page; Copyright Page; Contents; Preface; Acknowledgments; Authors; Nomenclature; Chapter 1 Introduction; 1.1 Significance of the Topics; 1.2 Tribological Interface Systems; 1.2.1 Interface Systems Defined Based on Geometry; 1.2.2 Interface Systems Defined Based on Relative Motion; 1.2.3 Interface Systems Defined Based on Lubricating Media; 1.2.4 Interface Systems Defined Based on Lubrication Status; 1.3 Brief Historic Review; 1.3.1 Empirical Knowledge Accumulated in Early Years; 1.3.2 Pioneering Studies; 1.3.3 Establishment of Contact Mechanics and Lubrication Theory

1.3.4 Rapid Development Assisted by Digital Computers1.3.5 Recent Advancements; 1.3.6 Conclusion Remarks; 1.4 Interfacial Mechanics; 1.5 Coverage of This Book; Chapter 2 Properties of Engineering Materials and Surfaces; 2.1 Mechanical Properties of Typical Solid Materials; 2.2 Topographic Properties of Engineering Surfaces; 2.2.1 Engineering Surfaces; 2.2.2 Surface Characterization by Statistical Parameters; 2.2.3 Surface Characterization by Direct Digitization; 2.2.4 Rough Surfaces Generated by Computer; 2.3 Lubricant Properties; 2.3.1 Viscosity; 2.3.2 Effect of Temperature on Viscosity

2.3.3 Effect of Pressure on Viscosity2.3.4 Density; 2.3.5 Non-Newtonian Behaviors; 2.3.6 Additives in Lubricants; Chapter 3 Fundamentals of Contact Mechanics; 3.1 Introduction; 3.2 Basic Half-Space Elasticity Theories; 3.2.1 Potential Equations; 3.2.2 Displacement Due to Normal Loading; 3.2.3 Displacement Due to Tangential Traction; 3.2.4 General Equations for Surface Displacements; 3.2.5 Subsurface Stresses; 3.3 Line Contact Hertzian Theory; 3.3.1 Basic Model; 3.3.2 Contact Pressure and Surface Deformation; 3.3.3 Subsurface Stresses; 3.4 Point Contact Hertzian Theory; 3.4.1 Basic Model

3.4.2 Contact Pressure and Surface Deformation3.4.3 Subsurface Stresses; 3.5 Contact Strength Analysis Based on the Subsurface Stress Field; 3.5.1 Theories for Yield Criteria; 3.5.2 Subsurface Stress Field and Yield Pressure in Line Contacts; 3.5.3 Subsurface Stress Field and Yield Pressure in Circular Contacts; 3.5.4 Subsurface Stress Field in Elliptical Contacts; 3.5.5 Effect of Friction on the Subsurface Stresses; 3.5.6 Contact Yield Initiation in a Case-Hardened Solid; 3.5.6.1 Basic Model; 3.5.6.2 Solution for Circular Contacts; 3.5.6.3 Solution for Line Contacts

3.5.6.4 General Expressions3.6 Selected Basic Solutions; 3.6.1 Displacements Due to Concentrated Forces; 3.6.2 Surface Displacements Induced by Uniform Pressure; 3.6.2.1 2D Plane Strain Problem; 3.6.2.2 3 D Half-Space Problems; 3.6.3 Indentation by a Rigid Punch; 3.6.4 Frictionless Indentation by a Blunt Wedge or Cone; 3.6.5 A Sinusoidal Wavy Surface in Contact with a Flat; 3.6.5.1 2D Wavy Surface; 3.6.5.2 3D Wavy Surface; 3.7 Contact with Rough Surfaces; 3.7.1 A Stochastic Model for Rough Surface Contacts; 3.7.2 Empirical Formulae Based on Numerical Solutions for Rough Surface Contacts

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