Machining and tribology : processes, surfaces, coolants, and modeling /
Clasificación: | Libro Electrónico |
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Otros Autores: | |
Formato: | Electrónico eBook |
Idioma: | Inglés |
Publicado: |
Amsterdam :
Elsevier,
2021.
|
Colección: | Elsevier series on tribology and surface engineering.
|
Temas: | |
Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Front Cover
- Machining and Tribology
- The Elsevier Series on Tribology and Surface Engineering
- Key Features:
- The Editorial Board
- Machining and Tribology: Processes, Surfaces, Coolants, andModeling
- Copyright
- Contents
- Contributors
- Preface
- 1
- An introduction to machining tribology
- 1.1 Introduction
- 1.2 Friction
- 1.3 Construction designs for tribometers
- 1.4 Determination of friction conditions
- 1.5 Tribological studies
- 1.5.1 Coefficient of friction
- 1.5.2 Temperature
- 1.5.3 Displacement and friction coefficient for the tested tribological pairs
- 1.5.4 Surface wear after tribological tests
- 1.6 Summary
- References
- 2
- The underlying mechanisms of coolant contribution in the machining process
- 2.1 Introduction
- 2.2 Machining difficulties
- 2.3 Tool wear
- 2.4 Machining forces
- 2.5 Surface integrity
- 2.5.1 Surface roughness
- 2.5.2 Visual surface defects
- 2.5.3 Machined surface metallurgy
- 2.5.4 Residual stresses
- 2.6 Conventional coolant and tribology
- 2.7 High-pressure jet cooling and tribology
- 2.8 Cryogenic cooling and tribology
- 2.9 Minimum quantity lubrication cooling and tribology
- 2.10 Nano cutting fluid in MQL mode and tribology
- 2.11 Machining of Inconel 718: A case study
- 2.11.1 Materials and methods
- 2.11.2 Experimental setups
- 2.11.2.1 MQL experimental setup
- 2.11.2.2 HPJ setup
- 2.11.2.3 Cryogenic setup
- 2.11.3 Results and discussions
- 2.11.3.1 Flank wear
- 2.11.3.2 Surface roughness
- 2.11.3.3 Cutting force
- 2.11.3.4 Residual stresses
- 2.12 Summary
- References
- 3
- Advanced cooling-lubrication technologies in metal machining
- 3.1 Introduction
- 3.1.1 Conventional machining
- 3.1.2 Tool and work interaction
- 3.1.3 Dry machining
- 3.1.4 Cooling and lubrication in machining
- 3.1.5 Functions of cutting fluids.
- 3.2 Advanced cooling and lubrication technologies
- 3.2.1 Minimum quantity lubrication
- 3.2.2 Atomization-based and mist-based cooling
- 3.2.3 High-pressure cooling
- 3.2.4 Cryogenic cooling
- 3.2.5 Air, vapor, and gas cooling
- 3.2.6 Solid lubricant and nanofluids
- 3.3 Control parameters
- 3.3.1 Coolant pressure and flow rate
- 3.3.2 Nozzle system, position, and orientation
- 3.3.3 Viscosity, concentration, wettability, and dispersion
- 3.3.4 Power system and pumps
- 3.3.5 Recycle and reuse
- 3.4 Effects on process performance indicators
- 3.4.1 Machining temperature
- 3.4.2 Friction
- 3.4.3 Machining force
- 3.4.4 Surface quality
- 3.4.5 Tool wear
- 3.4.6 Tool life
- 3.4.7 Power consumption and specific energy
- 3.4.8 Chips
- 3.5 Considerations for cutting fluid selection
- 3.6 Conclusion
- References
- 4
- Abrasive wear during machining of hard nanostructured cermet coatings
- 4.1 Introduction
- 4.2 Friction and wear
- 4.2.1 Abrasive wear
- 4.3 Materials and methodology
- 4.3.1 Materials
- 4.3.2 Methodology
- 4.4 Results and discussion
- 4.4.1 Powder characterization
- 4.4.2 Coating characterization
- 4.4.3 Three-body abrasion test in dry condition
- 4.4.3.1 SEM observation of wear scar
- 4.4.4 Three-body abrasion test in wet condition
- 4.5 Failure mechanisms
- 4.6 Conclusions
- References
- 5
- Tribology in (abrasive) water jet machining: A review
- 5.1 Introduction
- 5.2 Nozzle wear test procedure
- 5.2.1 Measurement of wear
- 5.2.1.1 Bore diameter and weight loss measurement
- 5.2.1.2 Nozzle bore profiling
- 5.3 Influence of parameters on nozzle wear
- 5.3.1 Nozzle length
- 5.3.2 Inlet angle
- 5.3.3 Nozzle diameter
- 5.3.4 Other parameters
- 5.4 Nozzle wear monitoring
- 5.5 Conclusion
- References.
- 6
- Modeling and analysis of forces and finishing spot size in the ball end magnetorheological finishing (BEMRF) process
- 6.1 Introduction
- 6.1.1 Ball end magnetorheological finishing (BEMRF)
- 6.1.1.1 BEMRF tool
- 6.1.1.2 BEMRF parameters
- 6.1.2 Need for understanding forces and finishing spot size in BEMRF process
- 6.2 Mechanism of material removal in the BEMRF process
- 6.2.1 Abrasive wear mechanism
- 6.3 Modeling of forces
- 6.3.1 Modeling of magnetic flux density in the working gap
- 6.3.2 Unit cell model of energized MRP fluid
- 6.3.3 Modeling of normal force
- 6.3.4 Modeling of shear force
- 6.4 Parametric analysis of forces in the BEMRF process
- 6.4.1 Experimental conditions
- 6.4.2 Effect of current on forces
- 6.4.3 Effect of working gap on forces
- 6.4.4 Effect of spindle speed on forces
- 6.5 Modeling of finishing spot size in the BEMRF process
- 6.6 Parametric analysis of finishing spot size in the BEMRF process
- 6.6.1 Design of experiments
- 6.6.2 Regression analysis
- 6.6.3 Effect of spindle speed on finishing spot size
- 6.6.4 Effect of working gap on finishing spot size
- 6.6.5 Effect of current on finishing spot size
- 6.6.6 Comparison of theoretical and experimental results
- 6.7 Conclusion
- Exercises
- References
- 7
- Simulation of force, energy, and surface integrity during nanometric machining by molecular dynamics (MD)
- 7.1 Introduction
- 7.2 Modeling and simulation methods at an atomistic level
- 7.2.1 MD model and potential energy function
- 7.2.2 Model sizes effect
- 7.2.3 Boundary conditions
- 7.2.4 Machining parameters
- 7.2.5 Tool geometric parameters
- 7.3 Tribological behavior of machining processes
- 7.3.1 Machining forces and energy evolution
- 7.3.2 Frictional coefficient
- 7.3.3 Stress evolution of workpieces
- 7.3.4 Mechanism and distribution of residual stress.
- 7.4 Surface generation and subsurface damage
- 7.4.1 Generation of chips and machined surface
- 7.4.2 Phase transformation of materials and subsurface damage
- 7.5 Conclusions
- References
- 8
- Molecular dynamics simulation of friction, lubrication, and tool wear during nanometric machining
- 8.1 Introduction
- 8.2 Models and methods
- 8.2.1 Models
- 8.2.2 Methods
- 8.3 Key parameters induced by friction in machining processes
- 8.3.1 Friction force
- 3.2 Friction coefficient
- 8.3.3 Friction heating
- 8.3.4 Surface integrity
- 8.3.5 Subsurface damage
- 8.4 Tribological behavior
- 8.4.1 Material removal
- 8.4.2 Tool wear
- 8.4.3 Lubrication
- 8.5 Summary
- Acknowledgments
- References
- 9
- Tribological aspects of different machining processes
- 9.1 Introduction
- 9.2 Advanced surface texture parameters for tribological aspects
- 9.2.1 Arithmetic mean height (Sa)/root mean square height (Sq)
- 9.2.2 SkParameters
- 9.2.3 Density of peaks (Spd) and mean peak curvature (Spc)
- 9.2.4 Skewness (Ssk) and kurtosis (Sku)
- 9.2.5 Texture aspect ratio (Str) and texture direction (Std) of surface
- 9.3 Tribological performances in relation to machining processes
- 9.3.1 Turning
- 9.3.2 Milling
- 9.3.3 Grinding
- 9.3.4 Lapping
- 9.3.5 Honing
- 9.4 Surface texturing using micromachining processes
- 9.5 Tribological behaviors of WC-Co coating
- 9.6 Summary
- Acknowledgments
- References
- 10
- Surface texturing for improved tribological performance in deep hole drilling
- 10.1 Introduction
- 10.1.1 Deep hole drilling
- 10.1.1.1 Single-lip deep hole drilling
- 10.1.1.2 Geometry of single-lip drills
- 10.1.2 Tribological analysis of DHD process
- 10.2 Application of microstructures in machining
- 10.2.1 Methods of fabrication
- 10.2.2 Effect of texturing on machining performance.