top

  Info

  • Utilizzare la checkbox di selezione a fianco di ciascun documento per attivare le funzionalità di stampa, invio email, download nei formati disponibili del (i) record.

  Info

  • Utilizzare questo link per rimuovere la selezione effettuata.
High temperature strain of metals and alloys [[electronic resource] ] : physical fundamentals / / Valim Levitin
High temperature strain of metals and alloys [[electronic resource] ] : physical fundamentals / / Valim Levitin
Autore Levitin Valim
Pubbl/distr/stampa Weinheim ; ; Chichester, : Wiley-VCH, 2006
Descrizione fisica 1 online resource (181 p.)
Disciplina 620.1617
669.83
Soggetto topico Metals - Effect of high temperatures on
Alloys - Thermal properties
Soggetto genere / forma Electronic books.
ISBN 1-280-85422-7
9786610854226
3-527-60795-1
3-527-60714-5
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto High Temperature Strain of Metals and Alloys; Contents; Introduction; 1 Macroscopic Characteristics of Strain of Metallic Materials at High Temperatures; 2 The Experimental Equipment and the in situ X-ray Investigation Technique; 2.1 Experimental Installation; 2.2 Measurement Procedure; 2.3 Measurements of Structural Parameters; 2.4 Diffraction Electron Microscopy; 2.5 Amplitude of Atomic Vibrations; 2.6 Materials under Investigation; 2.7 Summary; 3 Structural Parameters in High-Temperature Deformed Metals; 3.1 Evolution of Structural Parameters; 3.2 Dislocation Structure
3.3 Distances between Dislocations in Sub-boundaries3.4 Sub-boundaries as Dislocation Sources and Obstacles; 3.5 Dislocations inside Subgrains; 3.6 Vacancy Loops and Helicoids; 3.7 Total Combination of Structural Peculiarities of High-temperature Deformation; 3.8 Summary; 4 Physical Mechanism and Structural Model of Strain at High Temperatures; 4.1 Physical Model and Theory; 4.2 Velocity of Dislocations; 4.3 Dislocation Density; 4.4 Rate of the Steady-State Creep; 4.5 Effect of Alloying: Relationship between Creep Rate and Mean-Square Atomic Amplitudes
4.6 Formation of Jogs. Low-Angle Sub-boundaries in f.c.c. and b.c.c. Crystal Lattices4.7 Significance of the Stacking Faults Energy; 4.8 Stability of Dislocation Sub-boundaries; 4.9 Scope of Application of the Theory; 4.10 Summary; 5 Simulation of the Evolution of Parameters during Deformation; 5.1 Parameters of the Physical Model; 5.2 Equations; 5.2.1 Strain Rate; 5.2.2 Change in the Dislocation Density; 5.2.3 The Dislocation Slip Velocity; 5.2.4 The Dislocation Climb Velocity; 5.2.5 The Dislocation Spacing in Sub-boundaries; 5.2.6 Variation of the Subgrain Size
5.2.7 System of Differential Equations5.3 Results of Simulation: Changes in the Structural Parameters; 5.4 Density of Dislocations during Stationary Creep; 5.5 Summary; 6 High-temperature Deformation of Superalloys; 6.1 γ ́ Phase in Superalloys; 6.2 Changes in the Matrix of Alloys during Strain; 6.3 Interaction of Dislocations and Particles of the Hardening Phase; 6.4 Dependence of Creep Rate on Stress. The Average Length of the Activated Dislocation Segments; 6.5 Mechanism of Strain and the Creep Rate Equation; 6.6 Composition of the γ ́ Phase and Mean-square Amplitudes of Atomic Vibrations
6.7 Influence of the Particle Size and Concentration6.8 The Prediction of Properties on the Basis of Integrated Databases; 6.9 Summary; 7 Single Crystals of Superalloys; 7.1 Effect of Orientation on Properties; 7.2 Deformation of Single-crystal Superalloys at Lower Temperatures and Higher Stress; 7.3 Deformation of Single-crystal Superalloys at Higher Temperatures and Lower Stress; 7.4 On the Composition of Superalloys; 7.5 Rafting; 7.6 Effect of Composition and Temperature on γ/γ ́ Misfit; 7.7 Other Creep Equations; 7.8 Summary; 8 High-temperature Deformation of Some Refractory Metals
8.1 The Creep Behavior
Record Nr. UNINA-9910144704403321
Levitin Valim  
Weinheim ; ; Chichester, : Wiley-VCH, 2006
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
High temperature strain of metals and alloys [[electronic resource] ] : physical fundamentals / / Valim Levitin
High temperature strain of metals and alloys [[electronic resource] ] : physical fundamentals / / Valim Levitin
Autore Levitin Valim
Pubbl/distr/stampa Weinheim ; ; Chichester, : Wiley-VCH, 2006
Descrizione fisica 1 online resource (181 p.)
Disciplina 620.1617
669.83
Soggetto topico Metals - Effect of high temperatures on
Alloys - Thermal properties
ISBN 1-280-85422-7
9786610854226
3-527-60795-1
3-527-60714-5
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto High Temperature Strain of Metals and Alloys; Contents; Introduction; 1 Macroscopic Characteristics of Strain of Metallic Materials at High Temperatures; 2 The Experimental Equipment and the in situ X-ray Investigation Technique; 2.1 Experimental Installation; 2.2 Measurement Procedure; 2.3 Measurements of Structural Parameters; 2.4 Diffraction Electron Microscopy; 2.5 Amplitude of Atomic Vibrations; 2.6 Materials under Investigation; 2.7 Summary; 3 Structural Parameters in High-Temperature Deformed Metals; 3.1 Evolution of Structural Parameters; 3.2 Dislocation Structure
3.3 Distances between Dislocations in Sub-boundaries3.4 Sub-boundaries as Dislocation Sources and Obstacles; 3.5 Dislocations inside Subgrains; 3.6 Vacancy Loops and Helicoids; 3.7 Total Combination of Structural Peculiarities of High-temperature Deformation; 3.8 Summary; 4 Physical Mechanism and Structural Model of Strain at High Temperatures; 4.1 Physical Model and Theory; 4.2 Velocity of Dislocations; 4.3 Dislocation Density; 4.4 Rate of the Steady-State Creep; 4.5 Effect of Alloying: Relationship between Creep Rate and Mean-Square Atomic Amplitudes
4.6 Formation of Jogs. Low-Angle Sub-boundaries in f.c.c. and b.c.c. Crystal Lattices4.7 Significance of the Stacking Faults Energy; 4.8 Stability of Dislocation Sub-boundaries; 4.9 Scope of Application of the Theory; 4.10 Summary; 5 Simulation of the Evolution of Parameters during Deformation; 5.1 Parameters of the Physical Model; 5.2 Equations; 5.2.1 Strain Rate; 5.2.2 Change in the Dislocation Density; 5.2.3 The Dislocation Slip Velocity; 5.2.4 The Dislocation Climb Velocity; 5.2.5 The Dislocation Spacing in Sub-boundaries; 5.2.6 Variation of the Subgrain Size
5.2.7 System of Differential Equations5.3 Results of Simulation: Changes in the Structural Parameters; 5.4 Density of Dislocations during Stationary Creep; 5.5 Summary; 6 High-temperature Deformation of Superalloys; 6.1 γ ́ Phase in Superalloys; 6.2 Changes in the Matrix of Alloys during Strain; 6.3 Interaction of Dislocations and Particles of the Hardening Phase; 6.4 Dependence of Creep Rate on Stress. The Average Length of the Activated Dislocation Segments; 6.5 Mechanism of Strain and the Creep Rate Equation; 6.6 Composition of the γ ́ Phase and Mean-square Amplitudes of Atomic Vibrations
6.7 Influence of the Particle Size and Concentration6.8 The Prediction of Properties on the Basis of Integrated Databases; 6.9 Summary; 7 Single Crystals of Superalloys; 7.1 Effect of Orientation on Properties; 7.2 Deformation of Single-crystal Superalloys at Lower Temperatures and Higher Stress; 7.3 Deformation of Single-crystal Superalloys at Higher Temperatures and Lower Stress; 7.4 On the Composition of Superalloys; 7.5 Rafting; 7.6 Effect of Composition and Temperature on γ/γ ́ Misfit; 7.7 Other Creep Equations; 7.8 Summary; 8 High-temperature Deformation of Some Refractory Metals
8.1 The Creep Behavior
Record Nr. UNINA-9910830230803321
Levitin Valim  
Weinheim ; ; Chichester, : Wiley-VCH, 2006
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
High temperature strain of metals and alloys [[electronic resource] ] : physical fundamentals / / Valim Levitin
High temperature strain of metals and alloys [[electronic resource] ] : physical fundamentals / / Valim Levitin
Autore Levitin Valim
Pubbl/distr/stampa Weinheim ; ; Chichester, : Wiley-VCH, 2006
Descrizione fisica 1 online resource (181 p.)
Disciplina 620.1617
669.83
Soggetto topico Metals - Effect of high temperatures on
Alloys - Thermal properties
ISBN 1-280-85422-7
9786610854226
3-527-60795-1
3-527-60714-5
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto High Temperature Strain of Metals and Alloys; Contents; Introduction; 1 Macroscopic Characteristics of Strain of Metallic Materials at High Temperatures; 2 The Experimental Equipment and the in situ X-ray Investigation Technique; 2.1 Experimental Installation; 2.2 Measurement Procedure; 2.3 Measurements of Structural Parameters; 2.4 Diffraction Electron Microscopy; 2.5 Amplitude of Atomic Vibrations; 2.6 Materials under Investigation; 2.7 Summary; 3 Structural Parameters in High-Temperature Deformed Metals; 3.1 Evolution of Structural Parameters; 3.2 Dislocation Structure
3.3 Distances between Dislocations in Sub-boundaries3.4 Sub-boundaries as Dislocation Sources and Obstacles; 3.5 Dislocations inside Subgrains; 3.6 Vacancy Loops and Helicoids; 3.7 Total Combination of Structural Peculiarities of High-temperature Deformation; 3.8 Summary; 4 Physical Mechanism and Structural Model of Strain at High Temperatures; 4.1 Physical Model and Theory; 4.2 Velocity of Dislocations; 4.3 Dislocation Density; 4.4 Rate of the Steady-State Creep; 4.5 Effect of Alloying: Relationship between Creep Rate and Mean-Square Atomic Amplitudes
4.6 Formation of Jogs. Low-Angle Sub-boundaries in f.c.c. and b.c.c. Crystal Lattices4.7 Significance of the Stacking Faults Energy; 4.8 Stability of Dislocation Sub-boundaries; 4.9 Scope of Application of the Theory; 4.10 Summary; 5 Simulation of the Evolution of Parameters during Deformation; 5.1 Parameters of the Physical Model; 5.2 Equations; 5.2.1 Strain Rate; 5.2.2 Change in the Dislocation Density; 5.2.3 The Dislocation Slip Velocity; 5.2.4 The Dislocation Climb Velocity; 5.2.5 The Dislocation Spacing in Sub-boundaries; 5.2.6 Variation of the Subgrain Size
5.2.7 System of Differential Equations5.3 Results of Simulation: Changes in the Structural Parameters; 5.4 Density of Dislocations during Stationary Creep; 5.5 Summary; 6 High-temperature Deformation of Superalloys; 6.1 γ ́ Phase in Superalloys; 6.2 Changes in the Matrix of Alloys during Strain; 6.3 Interaction of Dislocations and Particles of the Hardening Phase; 6.4 Dependence of Creep Rate on Stress. The Average Length of the Activated Dislocation Segments; 6.5 Mechanism of Strain and the Creep Rate Equation; 6.6 Composition of the γ ́ Phase and Mean-square Amplitudes of Atomic Vibrations
6.7 Influence of the Particle Size and Concentration6.8 The Prediction of Properties on the Basis of Integrated Databases; 6.9 Summary; 7 Single Crystals of Superalloys; 7.1 Effect of Orientation on Properties; 7.2 Deformation of Single-crystal Superalloys at Lower Temperatures and Higher Stress; 7.3 Deformation of Single-crystal Superalloys at Higher Temperatures and Lower Stress; 7.4 On the Composition of Superalloys; 7.5 Rafting; 7.6 Effect of Composition and Temperature on γ/γ ́ Misfit; 7.7 Other Creep Equations; 7.8 Summary; 8 High-temperature Deformation of Some Refractory Metals
8.1 The Creep Behavior
Record Nr. UNINA-9910840538203321
Levitin Valim  
Weinheim ; ; Chichester, : Wiley-VCH, 2006
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Interatomic bonding in solids : fundamentals, simulation, applications / / Valim Levitin
Interatomic bonding in solids : fundamentals, simulation, applications / / Valim Levitin
Autore Levitin Valim
Pubbl/distr/stampa Weinheim an der Bergstrasse, Germany : , : Wiley-VCH, , 2014
Descrizione fisica 1 online resource (322 p.)
Disciplina 541.224
Soggetto topico Chemical bonds
Density functionals - Computer simulation
Materials science - Computer simulation
Soggetto genere / forma Electronic books.
ISBN 3-527-67155-2
3-527-67158-7
3-527-67157-9
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Cover; Title Page; Contents; Preface; 1 Introduction; 2 From Classical Bodies to Microscopic Particles; 2.1 Concepts of Quantum Physics; 2.2 Wave Motion; 2.3 Wave Function; 2.4 The Schrödinger Wave Equation; 2.5 An Electron in a Square Well: One-Dimensional Case; 2.6 Electron in a Potential Rectangular Box: k-Space; 3 Electrons in Atoms; 3.1 Atomic Units; 3.2 One-Electron Atom: Quantum Numbers; 3.3 Multi-Electron Atoms; 3.4 The Hartree Theory; 3.5 Results of the Hartree Theory; 3.6 The Hartree-Fock Approximation; 3.7 Multi-Electron Atoms in the Mendeleev Periodic Table; 3.8 Diatomic Molecules
4 The Crystal Lattice4.1 Close-Packed Structures; 4.2 Some Examples of Crystal Structures; 4.3 The Wigner-Seitz Cell; 4.4 Reciprocal Lattice; 4.5 The Brillouin Zone; 5 Homogeneous Electron Gas and Simple Metals; 5.1 Gas of Free Electrons; 5.2 Parameters of the Free-Electron Gas; 5.3 Notions Related to the Electron Gas; 5.4 Bulk Modulus; 5.5 Energy of Electrons; 5.6 Exchange Energy and Correlation Energy; 5.7 Low-Density Electron Gas: Wigner Lattice; 5.8 Near-Free Electron Approximation: Pseudopotentials; 5.9 Cohesive Energy of Simple Metals
6 Electrons in Crystals and the Bloch Waves in Crystals6.1 The Bloch Waves; 6.2 The One-Dimensional Kronig-Penney Model; 6.3 Band Theory; 6.4 General Band Structure: Energy Gaps; 6.5 Conductors, Semiconductors, and Insulators; 6.6 Classes of Solids; 7 Criteria of Strength of Interatomic Bonding; 7.1 Elastic Constants; 7.2 Volume and Pressure as Fundamental Variables: Bulk Modulus; 7.3 Amplitude of Lattice Vibration; 7.4 The Debye Temperature; 7.5 Melting Temperature; 7.6 Cohesive Energy; 7.7 Energy of Vacancy Formation and Surface Energy; 7.8 The Stress-Strain Properties in Engineering
8 Simulation of Solids Starting from the First Principles ("ab initio" Models)8.1 Many-Body Problem: Fundamentals; 8.2 Milestones in Solution of the Many-Body Problem; 8.3 More of the Hartree and Hartree-Fock Approximations; 8.4 Density Functional Theory; 8.5 The Kohn-Sham Auxiliary System of Equations; 8.6 Exchange-Correlation Functional; 8.7 Plane Wave Pseudopotential Method; 8.8 Iterative Minimization Technique for Total Energy Calculations; 8.9 Linearized Augmented PlaneWave Method; 9 First-Principle Simulation in Materials Science; 9.1 Strength Characteristics of Solids
9.2 Energy of Vacancy Formation9.3 Density of States; 9.4 Properties of Intermetallic Compounds; 9.5 Structure, Electron Bands, and Superconductivity of MgB2; 9.6 Embrittlement of Metals by Trace Impurities; 10 Ab initio Simulation of the Ni3Al-based Solid Solutions; 10.1 Phases in Superalloys; 10.2 Mean-Square Amplitudes of Atomic Vibrations in γ'-based Phases; 10.3 Simulation of the Intermetallic Phases; 10.4 Electron Density; 11 The Tight-Binding Model and Embedded-Atom Potentials; 11.1 The Tight-Binding Approximation; 11.2 The Procedure of Calculations
11.3 Applications of the Tight-Binding Method
Record Nr. UNINA-9910140179403321
Levitin Valim  
Weinheim an der Bergstrasse, Germany : , : Wiley-VCH, , 2014
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Interatomic bonding in solids : fundamentals, simulation, applications / / Valim Levitin
Interatomic bonding in solids : fundamentals, simulation, applications / / Valim Levitin
Autore Levitin Valim
Pubbl/distr/stampa Weinheim an der Bergstrasse, Germany : , : Wiley-VCH, , 2014
Descrizione fisica 1 online resource (322 p.)
Disciplina 541.224
Soggetto topico Chemical bonds
Density functionals - Computer simulation
Materials science - Computer simulation
ISBN 3-527-67155-2
3-527-67158-7
3-527-67157-9
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Cover; Title Page; Contents; Preface; 1 Introduction; 2 From Classical Bodies to Microscopic Particles; 2.1 Concepts of Quantum Physics; 2.2 Wave Motion; 2.3 Wave Function; 2.4 The Schrödinger Wave Equation; 2.5 An Electron in a Square Well: One-Dimensional Case; 2.6 Electron in a Potential Rectangular Box: k-Space; 3 Electrons in Atoms; 3.1 Atomic Units; 3.2 One-Electron Atom: Quantum Numbers; 3.3 Multi-Electron Atoms; 3.4 The Hartree Theory; 3.5 Results of the Hartree Theory; 3.6 The Hartree-Fock Approximation; 3.7 Multi-Electron Atoms in the Mendeleev Periodic Table; 3.8 Diatomic Molecules
4 The Crystal Lattice4.1 Close-Packed Structures; 4.2 Some Examples of Crystal Structures; 4.3 The Wigner-Seitz Cell; 4.4 Reciprocal Lattice; 4.5 The Brillouin Zone; 5 Homogeneous Electron Gas and Simple Metals; 5.1 Gas of Free Electrons; 5.2 Parameters of the Free-Electron Gas; 5.3 Notions Related to the Electron Gas; 5.4 Bulk Modulus; 5.5 Energy of Electrons; 5.6 Exchange Energy and Correlation Energy; 5.7 Low-Density Electron Gas: Wigner Lattice; 5.8 Near-Free Electron Approximation: Pseudopotentials; 5.9 Cohesive Energy of Simple Metals
6 Electrons in Crystals and the Bloch Waves in Crystals6.1 The Bloch Waves; 6.2 The One-Dimensional Kronig-Penney Model; 6.3 Band Theory; 6.4 General Band Structure: Energy Gaps; 6.5 Conductors, Semiconductors, and Insulators; 6.6 Classes of Solids; 7 Criteria of Strength of Interatomic Bonding; 7.1 Elastic Constants; 7.2 Volume and Pressure as Fundamental Variables: Bulk Modulus; 7.3 Amplitude of Lattice Vibration; 7.4 The Debye Temperature; 7.5 Melting Temperature; 7.6 Cohesive Energy; 7.7 Energy of Vacancy Formation and Surface Energy; 7.8 The Stress-Strain Properties in Engineering
8 Simulation of Solids Starting from the First Principles ("ab initio" Models)8.1 Many-Body Problem: Fundamentals; 8.2 Milestones in Solution of the Many-Body Problem; 8.3 More of the Hartree and Hartree-Fock Approximations; 8.4 Density Functional Theory; 8.5 The Kohn-Sham Auxiliary System of Equations; 8.6 Exchange-Correlation Functional; 8.7 Plane Wave Pseudopotential Method; 8.8 Iterative Minimization Technique for Total Energy Calculations; 8.9 Linearized Augmented PlaneWave Method; 9 First-Principle Simulation in Materials Science; 9.1 Strength Characteristics of Solids
9.2 Energy of Vacancy Formation9.3 Density of States; 9.4 Properties of Intermetallic Compounds; 9.5 Structure, Electron Bands, and Superconductivity of MgB2; 9.6 Embrittlement of Metals by Trace Impurities; 10 Ab initio Simulation of the Ni3Al-based Solid Solutions; 10.1 Phases in Superalloys; 10.2 Mean-Square Amplitudes of Atomic Vibrations in γ'-based Phases; 10.3 Simulation of the Intermetallic Phases; 10.4 Electron Density; 11 The Tight-Binding Model and Embedded-Atom Potentials; 11.1 The Tight-Binding Approximation; 11.2 The Procedure of Calculations
11.3 Applications of the Tight-Binding Method
Record Nr. UNINA-9910821293003321
Levitin Valim  
Weinheim an der Bergstrasse, Germany : , : Wiley-VCH, , 2014
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Strained metallic surfaces [[electronic resource] ] : theory, nanostructuring and fatigue strength / / Valim Levitin and Stephan Loskutov
Strained metallic surfaces [[electronic resource] ] : theory, nanostructuring and fatigue strength / / Valim Levitin and Stephan Loskutov
Autore Levitin Valim
Pubbl/distr/stampa Weinheim, : Wiley-VCH, c2009
Descrizione fisica 1 online resource (260 p.)
Disciplina 620.16
Altri autori (Persone) LoskutovStephan
Soggetto topico Metals - Surfaces
Physical metallurgy
ISBN 1-282-02541-4
9786612025419
3-527-62643-3
3-527-62644-1
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Strained Metallic Surfaces; Contents; Introduction; 1 Peculiarities of the Metallic Surface; 1.1 Surface Energy and Surface Stress; 1.2 Crystal Structure of a Surface; 1.3 Surface Defects; 1.4 Distribution of Electrons near the Surface; 1.4.1 Model of Free Electrons in Solids; 1.4.2 Semi-Infinite Chain; 1.4.3 Infinite Surface Barrier; 1.4.4 The Jellium Model; 1.5 Summary; 2 Some Experimental Techniques; 2.1 Diffraction Methods; 2.1.1 The Low-Energy Electron Diffraction Method; 2.1.2 The Reflection High-Energy Electron Diffraction Method; 2.1.3 The X-ray Measurement of Residual Stresses
2.1.3.1 Foundation of the Method2.1.3.2 Experimental Installation and Precise Technique; 2.1.4 Calculation of Microscopic Stresses; 2.2 Distribution of Residual Stresses in Depth; 2.3 The Electronic Work Function; 2.3.1 Experimental Installation; 2.3.2 Measurement Procedure; 2.4 Indentation of Surface. Contact Electrical Resistance; 2.5 Materials under Investigation; 2.6 Summary; 3 Experimental Data on the Work Function of Strained Surfaces; 3.1 Effect of Elastic Strain; 3.2 Effect of Plastic Strain; 3.2.1 Physical Mechanism; 3.3 Influence of Adsorption and Desorption; 3.4 Summary
4 Modeling the Electronic Work Function4.1 Model of the Elastic Strained Single Crystal; 4.2 Taking into Account the Relaxation and Discontinuity of the Ionic Charge; 4.3 Model for Neutral Orbital Electronegativity; 4.3.1 Concept of the Model; 4.3.2 Effect of Nanodefects Formed on the Surface; 4.4 Summary; 5 Contact Interaction of Metallic Surfaces; 5.1 Mechanical Indentation of the Surface Layers; 5.2 Influence of Indentation and Surface Roughness on the Work Function; 5.3 Effect of Friction and Wear on Energetic Relief; 5.4 Summary; 6 Prediction of Fatigue Location
6.1 Forecast Possibilities of the Work Function. Experimental Results6.1.1 Aluminum and Titanium-Based Alloys; 6.1.2 Superalloys; 6.2 Dislocation Density in Fatigue-Tested Metals; 6.3 Summary; 7 Computer Simulation of Parameter Evolutions during Fatigue; 7.1 Parameters of the Physical Model; 7.2 Equations; 7.2.1 Threshold Stress and Dislocation Density; 7.2.2 Dislocation Velocity; 7.2.3 Density of Surface Steps; 7.2.4 Change in the Electronic Work Function; 7.3 System of Differential Equations; 7.4 Results of the Simulation: Changes in the Parameters; 7.5 Summary
8 Stressed Surfaces in the Gas-Turbine Engine Components8.1 Residual Stresses in the Surface of Blades and Disks and Fatigue Strength; 8.1.1 Turbine and Compressor Blades; 8.1.2 Grooves of Disks; 8.2 Compressor Blades of Titanium-Based Alloys; 8.2.1 Residual Stresses and Subgrain Size; 8.2.2 Effect of Surface Treatment on Fatigue Life; 8.2.3 Distribution of Chemical Elements; 8.3 Summary; 9 Nanostructuring and Strengthening of Metallic Surfaces. Fatigue Behavior; 9.1 Surface Profile and Distribution of Residual Stresses with Depth; 9.2 Fatigue Strength of the Strained Metallic Surface
9.3 Relaxation of the Residual Stresses under Cyclic Loading
Record Nr. UNINA-9910145253703321
Levitin Valim  
Weinheim, : Wiley-VCH, c2009
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Strained metallic surfaces [[electronic resource] ] : theory, nanostructuring and fatigue strength / / Valim Levitin and Stephan Loskutov
Strained metallic surfaces [[electronic resource] ] : theory, nanostructuring and fatigue strength / / Valim Levitin and Stephan Loskutov
Autore Levitin Valim
Pubbl/distr/stampa Weinheim, : Wiley-VCH, c2009
Descrizione fisica 1 online resource (260 p.)
Disciplina 620.16
Altri autori (Persone) LoskutovStephan
Soggetto topico Metals - Surfaces
Physical metallurgy
ISBN 1-282-02541-4
9786612025419
3-527-62643-3
3-527-62644-1
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Strained Metallic Surfaces; Contents; Introduction; 1 Peculiarities of the Metallic Surface; 1.1 Surface Energy and Surface Stress; 1.2 Crystal Structure of a Surface; 1.3 Surface Defects; 1.4 Distribution of Electrons near the Surface; 1.4.1 Model of Free Electrons in Solids; 1.4.2 Semi-Infinite Chain; 1.4.3 Infinite Surface Barrier; 1.4.4 The Jellium Model; 1.5 Summary; 2 Some Experimental Techniques; 2.1 Diffraction Methods; 2.1.1 The Low-Energy Electron Diffraction Method; 2.1.2 The Reflection High-Energy Electron Diffraction Method; 2.1.3 The X-ray Measurement of Residual Stresses
2.1.3.1 Foundation of the Method2.1.3.2 Experimental Installation and Precise Technique; 2.1.4 Calculation of Microscopic Stresses; 2.2 Distribution of Residual Stresses in Depth; 2.3 The Electronic Work Function; 2.3.1 Experimental Installation; 2.3.2 Measurement Procedure; 2.4 Indentation of Surface. Contact Electrical Resistance; 2.5 Materials under Investigation; 2.6 Summary; 3 Experimental Data on the Work Function of Strained Surfaces; 3.1 Effect of Elastic Strain; 3.2 Effect of Plastic Strain; 3.2.1 Physical Mechanism; 3.3 Influence of Adsorption and Desorption; 3.4 Summary
4 Modeling the Electronic Work Function4.1 Model of the Elastic Strained Single Crystal; 4.2 Taking into Account the Relaxation and Discontinuity of the Ionic Charge; 4.3 Model for Neutral Orbital Electronegativity; 4.3.1 Concept of the Model; 4.3.2 Effect of Nanodefects Formed on the Surface; 4.4 Summary; 5 Contact Interaction of Metallic Surfaces; 5.1 Mechanical Indentation of the Surface Layers; 5.2 Influence of Indentation and Surface Roughness on the Work Function; 5.3 Effect of Friction and Wear on Energetic Relief; 5.4 Summary; 6 Prediction of Fatigue Location
6.1 Forecast Possibilities of the Work Function. Experimental Results6.1.1 Aluminum and Titanium-Based Alloys; 6.1.2 Superalloys; 6.2 Dislocation Density in Fatigue-Tested Metals; 6.3 Summary; 7 Computer Simulation of Parameter Evolutions during Fatigue; 7.1 Parameters of the Physical Model; 7.2 Equations; 7.2.1 Threshold Stress and Dislocation Density; 7.2.2 Dislocation Velocity; 7.2.3 Density of Surface Steps; 7.2.4 Change in the Electronic Work Function; 7.3 System of Differential Equations; 7.4 Results of the Simulation: Changes in the Parameters; 7.5 Summary
8 Stressed Surfaces in the Gas-Turbine Engine Components8.1 Residual Stresses in the Surface of Blades and Disks and Fatigue Strength; 8.1.1 Turbine and Compressor Blades; 8.1.2 Grooves of Disks; 8.2 Compressor Blades of Titanium-Based Alloys; 8.2.1 Residual Stresses and Subgrain Size; 8.2.2 Effect of Surface Treatment on Fatigue Life; 8.2.3 Distribution of Chemical Elements; 8.3 Summary; 9 Nanostructuring and Strengthening of Metallic Surfaces. Fatigue Behavior; 9.1 Surface Profile and Distribution of Residual Stresses with Depth; 9.2 Fatigue Strength of the Strained Metallic Surface
9.3 Relaxation of the Residual Stresses under Cyclic Loading
Record Nr. UNINA-9910830296303321
Levitin Valim  
Weinheim, : Wiley-VCH, c2009
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Strained metallic surfaces [[electronic resource] ] : theory, nanostructuring and fatigue strength / / Valim Levitin and Stephan Loskutov
Strained metallic surfaces [[electronic resource] ] : theory, nanostructuring and fatigue strength / / Valim Levitin and Stephan Loskutov
Autore Levitin Valim
Pubbl/distr/stampa Weinheim, : Wiley-VCH, c2009
Descrizione fisica 1 online resource (260 p.)
Disciplina 620.16
Altri autori (Persone) LoskutovStephan
Soggetto topico Metals - Surfaces
Physical metallurgy
ISBN 1-282-02541-4
9786612025419
3-527-62643-3
3-527-62644-1
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Strained Metallic Surfaces; Contents; Introduction; 1 Peculiarities of the Metallic Surface; 1.1 Surface Energy and Surface Stress; 1.2 Crystal Structure of a Surface; 1.3 Surface Defects; 1.4 Distribution of Electrons near the Surface; 1.4.1 Model of Free Electrons in Solids; 1.4.2 Semi-Infinite Chain; 1.4.3 Infinite Surface Barrier; 1.4.4 The Jellium Model; 1.5 Summary; 2 Some Experimental Techniques; 2.1 Diffraction Methods; 2.1.1 The Low-Energy Electron Diffraction Method; 2.1.2 The Reflection High-Energy Electron Diffraction Method; 2.1.3 The X-ray Measurement of Residual Stresses
2.1.3.1 Foundation of the Method2.1.3.2 Experimental Installation and Precise Technique; 2.1.4 Calculation of Microscopic Stresses; 2.2 Distribution of Residual Stresses in Depth; 2.3 The Electronic Work Function; 2.3.1 Experimental Installation; 2.3.2 Measurement Procedure; 2.4 Indentation of Surface. Contact Electrical Resistance; 2.5 Materials under Investigation; 2.6 Summary; 3 Experimental Data on the Work Function of Strained Surfaces; 3.1 Effect of Elastic Strain; 3.2 Effect of Plastic Strain; 3.2.1 Physical Mechanism; 3.3 Influence of Adsorption and Desorption; 3.4 Summary
4 Modeling the Electronic Work Function4.1 Model of the Elastic Strained Single Crystal; 4.2 Taking into Account the Relaxation and Discontinuity of the Ionic Charge; 4.3 Model for Neutral Orbital Electronegativity; 4.3.1 Concept of the Model; 4.3.2 Effect of Nanodefects Formed on the Surface; 4.4 Summary; 5 Contact Interaction of Metallic Surfaces; 5.1 Mechanical Indentation of the Surface Layers; 5.2 Influence of Indentation and Surface Roughness on the Work Function; 5.3 Effect of Friction and Wear on Energetic Relief; 5.4 Summary; 6 Prediction of Fatigue Location
6.1 Forecast Possibilities of the Work Function. Experimental Results6.1.1 Aluminum and Titanium-Based Alloys; 6.1.2 Superalloys; 6.2 Dislocation Density in Fatigue-Tested Metals; 6.3 Summary; 7 Computer Simulation of Parameter Evolutions during Fatigue; 7.1 Parameters of the Physical Model; 7.2 Equations; 7.2.1 Threshold Stress and Dislocation Density; 7.2.2 Dislocation Velocity; 7.2.3 Density of Surface Steps; 7.2.4 Change in the Electronic Work Function; 7.3 System of Differential Equations; 7.4 Results of the Simulation: Changes in the Parameters; 7.5 Summary
8 Stressed Surfaces in the Gas-Turbine Engine Components8.1 Residual Stresses in the Surface of Blades and Disks and Fatigue Strength; 8.1.1 Turbine and Compressor Blades; 8.1.2 Grooves of Disks; 8.2 Compressor Blades of Titanium-Based Alloys; 8.2.1 Residual Stresses and Subgrain Size; 8.2.2 Effect of Surface Treatment on Fatigue Life; 8.2.3 Distribution of Chemical Elements; 8.3 Summary; 9 Nanostructuring and Strengthening of Metallic Surfaces. Fatigue Behavior; 9.1 Surface Profile and Distribution of Residual Stresses with Depth; 9.2 Fatigue Strength of the Strained Metallic Surface
9.3 Relaxation of the Residual Stresses under Cyclic Loading
Record Nr. UNINA-9910841638703321
Levitin Valim  
Weinheim, : Wiley-VCH, c2009
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui