Sintering (eBook)
XII, 240 Seiten
Springer Berlin (Verlag)
978-3-642-31009-6 (ISBN)
About Professor Castro:
http://www.chms.ucdavis.edu/research/web/castro/index_files/Page524.htm
About Professor van Benthem:
http://www.chms.ucdavis.edu/research/web/benthem/layer2_people_klaus.html
About Professor Castro: http://www.chms.ucdavis.edu/research/web/castro/index_files/Page524.htmAbout Professor van Benthem:http://www.chms.ucdavis.edu/research/web/benthem/layer2_people_klaus.html
Preface Chapter 1: Overview of Conventional Sintering Introduction.- Global Driving Forces.- Local Driving Forces.- Sintering, Coalescence and Grain Growth.- Pore Stability.- Sintering Mechanisms: Kinetic Control.- An Unfinished Story.- Summary Chapter 2: Modelling “nano-effects” in sinteringIntroduction.- Densification Law.- Nonlinear Relation Between Stress and Strain Rate.- A Molecular Dynamics Study of Sintering.- Coarsening Law.- Pre-sintering Agglomeration.- Closing of Large Pores.- Concluding Remarks Chapter 3: Nanoscaled Grain Growth Introduction.- Classical Equation for Grain Growth.- Grain Boundary Segregation and Grain Growth.- Kinetics of Grain Growth for Nanomaterials.- GB Segregation and Solute Drag.- Drag Forces Arising from GB Segregation.- Thermodynamics of Grain Growth for Nanomaterials.- GB Segregation and Reduced GB Energy.- Models of GB Energy Reduced by Solute Segregation.- Thermo-Kinetic Analysis for Grain Growth.- Reduced GB Energy and GB Mobility upon Grain Growth.- Thermo-Kinetic Treatment.- Thermodynamic and Kinetic Nano-scale Analysis.- Models of GB Energy Reduced by Solute Segregation.- Summary Chapter 4: Effect of Powder Characteristics on NanosinteringIntroduction.- Controlled Synthesis of Nanopowders.- Top-Down Methods.- Bottom-Up Methods.- Phase Effects.- Amorphous Phases.- Methastable Phase Transformations.- Multi-Phase Considerations.- Sub-Stoichiometry.- Chemical Purity.- Precursor and Processing.- Surface Impurities.- Grain Boundary Impurities.- Size Effects.- Crystallite Size Effects.- Aggregation and Agglomeration Effects.- Agglomerates formed from “Soft Agglomeration”.- Aggregates formed from “Hard Agglomeration”.- Particle-Size Distribution.- Morphology.- Forming Techniques and Drying Processes.- Green-Body Microstructure.- Tying it Together.- Summary Chapter 5: Discrete Element Method Sintering Simulation: A grain-scale simulation approachIntroduction.- DEM Simulation Method.- Equations of Motion.- Sintering Force Laws.- Boundary Conditions.- Initial Configurations Generation Scheme.- Effects of Rearrangement.- Densification Rate.- Bulk and Shear Viscosities.- Crack Formation.- Grain Growth Models.- Nanoparticle Sintering of Printed Circuits.- Summary Chapter 6: Sintering of Porous MaterialsIntroduction.- Fundamentals of Sintering and Porosity Control.- Nanoparticle-Based Sintering.- Nanoparticle-Based Porous Materials.- Partial Sintering.- Template Method.- Reaction Sintering.- Nanoparticle-Based Porous Composites.- Nanoparticles as Initial Materials.- Nanoparticles as Second Phases.- Unique Nanocomposite Systems.- Summary Chapter 7: Electric Field and Current Effects on Sintering Introduction.- Effect of Electric Field on Mass Transport.- Field Effects on Reactivity and Diffusion.- Field Effect on Grain Boundary Mobility.- Observations on the Effect of an Electric Field on Sintering.- Observations on the Effect of a Field on Consolidation and Mass Transport.- Defect Formation, Mass Transport, and Phase Transformation.- Effect of Disorder-Order Transformations.- Consolidation of Nanostructured Functional Oxides using SPS.- Summary Chapter 8: Field Assisted Sintering MechanismsIntroduction.- Arc and Spark Discharge.- Electromigration.- Brief Review of Electromigration Theory.- Electromigration and Solid State Reactivity.- Electromigration in FAST.- Electrotransport and Polarization in Ionic Materials.- Electrochemical Transport and Related Phenomena.- Dielectric Polarization.- Concluding Remarks on Electrotransport and Related Phenomena.- Pressure Effects and FAST/SPS Processing.- Basic Principles of Pressure Assisted Sintering.- Energetics of Pressure Sintering.- Field Effects and Pressure.- Heating Rate Effects.- Kinetics and Driving Force During Sintering.- Reactive Sintering.- Thermodiffusion Chapter 9: Effects of Applied Stress and Heating Rate in Field Assisted SinteringEffect of Applied Stress.- Theoretical Framework.-Experimental Conditions.- Review: Densification Mechanisms.- Review: Grain Growth Behavior.- High Pressure Experiments.- Effect of Heating Rate.- Summary Chapter 10: Characterization of Microstructures Before, During and After DensificationIntroduction.- Microstructural Characterization.- Scanning Electron Microscopy (SEM).- Transmission Electron Microscopy (TEM).- In sity Electron Microscopy.- Segregation in Nanoparticles.- Anisotropic Grain Growth in Si3N4.- Thermal Sintering in TEM.- Current-assisted Sintering in the TEM.- Summary and Conclusions
Erscheint lt. Verlag | 13.9.2012 |
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Reihe/Serie | Engineering Materials |
Zusatzinfo | XII, 240 p. |
Verlagsort | Berlin |
Sprache | englisch |
Themenwelt | Technik ► Maschinenbau |
Schlagworte | Grain Growth • Nanosintering • Porosity control • Sintering mechanisms • Sintering simulation • Thermodiffusion |
ISBN-10 | 3-642-31009-5 / 3642310095 |
ISBN-13 | 978-3-642-31009-6 / 9783642310096 |
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