Tribology in Sheet Rolling Technology (Paperback, Softcover Repri)

1. Fundamental of Tribology 1.1 Friction 1.1.1 Friction in history 1.1.2 Contact model between surfaces with surface roughness 1.1.3 Junction growth and real contact area 1.1.4 Effect of surface film 1.1.5 Plowing term in friction 1.2 Lubrication 1.2.1 Lubrication in history 1.2.2 Stribeck curve 1.2.3 Hydrodynamic lubrication 1.2.3.1 Reynolds equation 1.2.3.2 Plane bearing 1.2.3.3 Journal bearing 1.2.3.4 Rolling bearing 1.2.3.5 Pressure distribution of journal and rolling bearings 1.2.3.6 Elasto-hydrodynamic lubrication (EHL) 1.2.3.7 Effect of viscosity of lubricant 1.2.3.8 Elastic deformation 1.2.4 Boundary lubrication 1.2.4.1 Boundary lubrication model 1.2.4.2 Boundary film 1.2.5 Mixed lubrication 1.3 Wear 1.3.1 Adhesive wear 1.3.2 Abrasive wear References 2. Tribology in metalforming 2.1 Characteristics of tribology in metalforming 2.1.1 Lubrication regime 2.1.2 Contact pressure 2.1.3 Interfacial temperature 2.1.4 Sliding speed 2.1.5 Introducing and entrapping lubricant 2.1.6 Virgin surface 2.2 Micro-contact between tool and workpiece 2.2.1 Hydrostatic pressure 2.2.2 Entrappe d lubricant in upsetting 2.2.3 Roughening of lubricated surface by thick film 2.2.4 Free surface roughening 2.2.5 Asperity deformation in upsetting test and indentation test 2.2.5.1 Dry condition 2.2.5.2 Lubricated condition 2.2.6 Micro-plasto-hydrodynamic lubrication (Micro-PHL) 2.2.7 Asperity deformation in sheet metal forming 2.2.8 Oil pocket behavior on edge surface of cylinder billet in upsetting process 2.3 Lubrication mechanism and frictional stress 2.3.1 Lubrication mechanism 2.3.2 Friction stress2.3.2.1 Plasto-hydrodynamic lubrication 2.3.2.2 Boundary lubrication 2.3.2.3 Micro-hydrodynamic lubrication 2.3.2.4 Mixed lubrication 2.4 Lubrication mechanism and surface appearance of workpiece 2.4.1 Plasto-hydrodynamic lubrication 2.4.2 Boundary lubrication 2.4.3 Micro-plasto-hydrodynamic lubrication 2.4.4 Mixed lubrication 2.5 Oil film thickness at interface between and workpiece 2.5.1 Oil film thickness in steady state metalforming process 2.5.1.1 Constant viscosity 2.5.1.2 Viscosity depending on pressure 2.5.1.3 Viscosity depending on pressure and temperature 2.5.2 Oil film thickness in unsteady state metalforming process 2.5.2.1 Upsetting at high compression speed 2.5.2.2 Upsetting at low compression speed 2.6 Interfacial temperature between tool and workpiece 2.6.1 Interfacial temperature rise by friction energy 2.6.2 Interfacial temperature rise by shear energy in hydrodynamic lubrication 2.6.3 Comparison of results calculated with results measured by experiments in sheet drawing 2.7 Seizure 2.7.1 Seizure in machine element 2.7.2 Seizure in metalforming 2.8 Tribo-simulation in metalforming 2.8.1 Relationship between tribological conditions and tribological results 2.8.2 Tribo-simulator References 3. Fundamental of Rolling 3.1 Mechanics of rolling 3.2 Rolling theory 3.2.1 Two dimensional homogenous theory for rolling 3.2.2 Two dimensional in-homogenous theory for rolling 3.3 Flow stress for rolling theory 3.3.1 Flow stress in cold sheet rolling 3.3.2 Flow stress in hot sheet rolling 3.4 Coefficient of friction for rolling theory 3.5 Simulation test for coefficient of friction References 4. Tribology in Cold Sheet Rolling 4.1 Coefficient of fricition4.1.1 Coefficient of friction in history 4.1.2 Dependence of coefficient of friction from rolling theory 4.1.2.1 Coefficient of friction in neat oils 4.1.2.2 Coefficient of friction in emulsion oil 4.1.3 Coefficient of friction measured by sliding-rolling type tribo-simulator 4.1.3.1 Evaluation of coefficient of friction measure 4.1.3.2 Evaluation of additive in mineral base oil by coefficient of friction 4.1.3.3 Evaluation of tallow base oil by coefficient of friction 4.1.3.4 Evaluation of mixed rolling oil of mineral base oil tallow oil by coefficient of friction 4.2 Lubrication mechanism and r