内容简介
1.Introduction
Learning Objectives
1.1 Historical Perspective
1.2 Materials Science and Engineering
1.3 Why Study Materials Science and Engineering?
1.4 Classification of Materials
Materials of Importance—Carbonated Beverage Containers
1.5 Advanced Materials
1.6 Modern Materials Needs
1.7 Processing/Structure/Properties/Performance Correlations
Summary
References
Question
2.Atomic Structure and Interatomic Bonding
Learning Objectives
2.1 Introduction
ATOMIC STRUCTURE
2.2 Fundamental Concepts
2.3 Electrons in Atoms
2.4 The Periodic Table
ATOMIC BONDING IN SOLIDS
2.5 Bonding Forces and Energies
2.6 Primary Interatomic Bonds
2.7 Secondary Bonding or van der Waals Bonding
Materials of Importance—Water (Its Volume Expansion Upon Freezing)
2.8 Molecules
Summary
Equation Summary
Processing/Structure/Properties/Performance Summary
Important Terms and Concepts
References
Questions and Problems
Fundamentals of Engineering Questions and Problems
3.Structures of Metals and Ceramics
Learning Objectives
3.1 Introduction
CRYSTAL STRUCTURES
3.2 Fundamental Concepts
3.3 Unit Cells
3.4 Metallic Crystal Structures
3.5 Density Computations—Metals
3.6 Ceramic Crystal Structures
3.7 Density Computations—Ceramics
3.8 Silicate Ceramics
3.9 Carbon
Materials of Importance—Carbon Nanotubes
3.10 Polymorphism and Allotropy
3.11 Crystal Systems
Material of Importance—Tin (Its Allotropic Transformation)
CRYSTALLOGRAPHIC POINTS,DIRECTIONS,AND PLANES
3.12 Point Coordinates
3.13 Crystallographic Directions
3.14 Crystallographic Planes
3.15 Linear and Planar Densities
3.16 Close-Packed Crystal Structures
CRYSTALLINE AND NONCRYSTALLINE MATERIALS
3.17 Single Crystals
3.18 Polycrystalline Materials
3.19 Anisotropy
3.20 X-Ray Diffraction:Determination of Crystal Structures
3.21 Noncrystalline Solids
Summary
Equation Summary
Processing/Structure/Properties/Performance Summary
Important Terms and Concepts
References
Questions and Problems
Fundamentals of Engineering Questions and Problems
4.Polymer Structures
Learning Objectives
4.1 Introduction
4.2 Hydrocarbon Molecules
4.3 Polymer Molecules
4.4 The Chemistry of Polymer Molecules
4.5 Molecular Weight
4.6 Molecular Shape
4.7 Molecular Structure
4.8 Molecular Configurations
4.9 Thermoplastic and Thermosetting Polymers
4.10 Copolymers
4.11 Polymer Crystallinity
4.12 Polymer Crystals
Summary
Equation Summary
Processing/Structure/Properties/Performance Summary
Important Terms and Concepts
References
Questions and Problems
Fundamentals of Engineering Questions and Problems
5.Imperfections in Solids
Learning Objectives
5.1 Introduction
POINT DEFECTS
5.2 Point Defects in Metals
5.3 Point Defects in Ceramics
5.4 Impurities in Solids
5.5 Point Defects in Polymers
5.6 Specification of Composition
MISCELLANEOUS IMPERFECTIONS
5.7 Dislocations—Linear Defects
5.8 Interfacial Defects
5.9 Bulk or Volume Defects
5.10 Atomic Vibrations
MICROSCOPIC EXAMINATION
5.11 Basic Concepts of Microscopy
Materials of Importance—Catalysts (and Surface Defects)
5.12 Microscopic Techniques
5.13 Grain Size Determination
Summary
Equation Summary
Processing/Structure/Properties/Performance Summary
Important Terms and Concepts
References
Questions and Problems
Design Problems
Fundamentals of Engineering Questions and Problems
6.Diffusion
Learning Objectives
6.1 Introduction
6.2 Diffusion Mechanisms
6.3 Steady-State Diffusion
6.4 Nonsteady-State Diffusion
6.5 Factors That Influence Diffusion
6.6 Diffusion in Semiconducting Materials
Material of Importance—Aluminum for Integrated Circuit Interconnects
6.7 Other Diffusion Paths
6.8 Diffusion in Ionic and Polymeric Materials
Summary
Equation Summary
Processing/Structure/Properties/Performance Summary
Important Terms and Concepts
References
Questions and Problems
Design Problems
Fundamentals of Engineering Questions and Problems
7.Mechanical Properties
Learning Objectives
7.1 Introduction
7.2 Concepts of Stress and Strain
ELASTIC DEFORMATION
7.3 Stress-Strain Behavior
7.4 Anelasticity
7.5 Elastic Properties of Materials
MECHANICAL BEHAVIOR-METALS
7.6 Tensile Properties
7.7 True Stress and Strain
7.8 Elastic Recovery After Plastic Deformation
7.9 Compressive,Shear,and Torsional Deformation
MECHANICAL BEHAVIOR-CERAMICS
7.10 Flexural Strength
7.11 Elastic Behavior
7.12 Influence of Porosity on the Mechanical Properties of Ceramics
MECHANICAL BEHAVIOR-POLYMERS
7.13 Stress-Strain Behavior
7.14 Macroscopic Deformation
7.15 Viscoelastic Deformation
HARDNESS AND OTHER MECHANICAL PROPERTY CONSIDERATIONS
7.16 Hardness
7.17 Hardness of Ceramic Materials
7.18 Tear Strength and Hardness of Polymers
PROPERTY VARIABILITY AND DESIGN/SAFETY FACTORS
7.19 Variability of Material Properties
7.20 Design/Safety Factors
Summary
Equation Summary
Processing/Structure/Properties/Performance Summary
Important Terms and Concepts
References
Questions and Problems
Design Problems
Fundamentals of Engineering Questions and Problems
8.Deformation and Strengthening Mechanisms
Learning Objectives
8.1 Introduction
DEFORMATION MECHANISMS FOR METALS
8.2 Historical
8.3 Basic Concepts of Dislocations
8.4 Characteristics of Dislocations
8.5 Slip Systems
8.6 Slip in Single Crystals
8.7 Plastic Deformation of Polycrystalline Metals
8.8 Deformation by Twinning
MECHANISMS OF STRENGTHENING IN METALS
8.9 Strengthening by Grain Size Reduction
8.10 Solid-Solution Strengthening
8.11 Strain Hardening
RECOVERY,RECRYSTAL LIZATION,AND GRAIN GROWTH
8.12 Recovery
8.13 Recrystallization
8.14 Grain Growth
DEFORMATION MECHANISMS FOR CERAMIC MATERIALS
8.15 Crystalline Ceramics
8.16 Noncrystalline Ceramics
MECHANISMS OF DEFORMATION AND FOR STRENGTHENING OF POLYMERS
8.17 Deformation of Semicrystalline Polymers
8.18 Factors That Influence the Mechanical Properties of Semicrystalline Polymers
Materials of Importance—Shrink-Wrap Polymer Films
8.19 Deformation of Elastomers
Summary
Equation Summary
Processing/Structure/Properties/Performance Summary
Important Terms and Concepts
References
Questions and Problems
Design Problems
Fundamentals of Engineering Questions and Problems
9.Failure
Learning Objectives
9.1 Introduction
FRACTURE
9.2 Fundamentals of Fracture
9.3 Ductile Fracture
9.4 Brittle Fracture
9.5 Principles of Fracture Mechanics
9.6 Brittle Fracture of Ceramics
9.7 Fracture of Polymers
9.8 Fracture Toughness Testing
FATIGUE
9.9 Cyclic Stresses
9.10 The S-N Curve
9.11 Fatigue in Polymeric Materials
9.12 Crack Initiation and Propagation
9.13 Factors That Affect Fatigue Life
9.14 Environmental Effects
CREEP
9.15 Generalized Creep Behavior
9.16 Stress and Temperature Effects
9.17 Data Extrapolation Methods
9.18 Alloys for High-Temperature Use
9.19 Creep in Ceramic and Polymeric Materials
Summary
Equation Summary
Important Terms and Concepts
References
Questions and Problems
Design Problems
Fundamentals of Engineering Questions and Problems
10.Phase Diagrams
Learning Objectives
10.1 Introduction
DEFINITIONS AND BASIC CONCEPTS
10.2 Solubility Limit
10.3 Phases
10.4 Microstructure
10.5 Phase Equilibria
10.6 One-Component (or Unary) Phase Diagrams
BINARY PHASE DIAGRAMS
10.7 Binary Isomorphous Systems
10.8 Interpretation of Phase Diagrams
10.9 Development of Microstructure in Isomorphous Alloys
10.10 Mechanical Properties of Isomorphous Alloys
10.11 Binary Eutectic Systems
10.12 Development of Microstructure in Eutectic Alloys
Materials of Importance—Lead-Free Solders
10.13 Equilibrium Diagrams Having Intermediate Phases or Compounds
10.14 Eutectoid and Peritectic Reactions
10.15 Congruent Phase Transformations
10.16 Ceramic Phase Diagrams
10.17 Ternary Phase Diagrams
10.18 The Gibbs Phase Rule
THE IRON-CARBON SYSTEM
10.19 The Iron-Iron Carbide (Fe-Fe3C) Phase Diagram
10.20 Development of Microstructure in Iron-Carbon Alloys
10.21 The Influence of Other Alloying Elements
Summary
Equation Summary
Processing/Structure/Properties/Performance Summary
Important Terms and Concepts
References
Questions and Problems
Fundamentals of Engineering Questions and Problems
11.Phase Transformations
Learning Objectives
11.1 Introduction
PHASE TRANSFORMATIONS IN METALS
11.2 Basic Concepts
11.3 The Kinetics of Phase Transformations
11.4 Metastable Versus Equilibrium States
MICROSTRUCTURAL AND PROPERTY CHANGES IN IRON-CARBON ALLOYS
11.5 Isothermal Transformation Diagrams
11.6 Continuous-Cooling Transformation Diagrams
11.7 Mechanical Behavior of Iron-Carbon Alloys
11.8 Tempered Martensite
11.9 Review of Phase Transformations and Mechanical Properties for Iron-Carbon Alloys
Materials of Importance—Shape-Memory Alloys
PRECIPITATION HARDENING
11.10 Heat Treatments
11.11 Mechanism of Hardening
11.12 Miscellaneous Considerations
CRYSTALLIZATION,MELTING,AND GLASS TRANSITION PHENOMENA IN POLYMERS
11.13 Crystallization
11.14 Melting
11.15 The Glass Transition
11.16 Melting and Glass Transition Temperatures
11.17 Factors That Influence Melting and Glass Transition Temperatures
Summary
Equation Summary
Processing/Structure/Properties/Performance Summary
Important Terms and Concepts
References
Questions and Problems
Design Problems
Fundamentals of Engineering Questions and Problems
12.Electrical Properties
Learning Objectives
12.1 Introduction
ELECTRICAL CONDUCTION
12.2 Ohm’s Law
12.3 Electrical Conductivity
12.4 Electronic and Ionic Conduction
12.5 Energy Band Structures in Solids
12.6 Conduction in Terms of Band and Atomic Bonding Models
12.7 Electron Mobility
12.8 Electrical Resistivity of Metals
12.9 Electrical Characteristics of Commercial Alloys
Materials of Importance—Aluminum Electrical Wires
SEMICONDUCTIVITY
12.10 Intrinsic Semiconduction
12.11 Extrinsic Semiconduction
12.12 The Temperature Dependence of Carrier Concentration
12.13 Factors That Affect Carrier Mobility
12.14 The Hall Effect
12.15 Semiconductor Devices
ELECTRICAL CONDUCTION IN IONIC CERAMICS AND IN POLYMERS
12.16 Conduction in Ionic Materials
12.17 Electrical Properties of Polymers
DIELECTRIC BEHAVIOR
12.18 Capacitance
12.19 Field Vectors and Polarization
12.20 Types of Polarization
12.21 Frequency Dependence of the Dielectric Constant
12.22 Dielectric Strength
12.23 Dielectric Materials
OTHER ELECTRICAL CHARACTERISTICS OF MATERIALS
12.24 Ferroelectricity
12.25 Piezoelectricity
Summary
Equation Summary
Processing/Structure/Properties/Performance Summary
Important Terms and Concepts
References
Questions and Problems
Design Problems
Fundamentals of Engineering Questions and Problems
13.Types and Applications of Materials
Learning Objectives
13.1 Introduction
TYPES OF METAL ALLOYS
13.2 Ferrous Alloys
13.3 Nonferrous Alloys
Materials of Importance—Metal Alloys Used for Euro Coins
TYPES OF CERAMICS
13.4 Glasses
13.5 Glass-Ceramics
13.6 Clay Products
13.7 Refractories
13.8 Abrasives
13.9 Cements
13.10 Advanced Ceramics
Materials of Importance—Piezoelectric Ceramics
13.11 Diamond and Graphite
TYPES OF POLYMERS
13.12 Plastics
Materials of Importance—Phenolic Billiard Balls
13.13 Elastomers
13.14 Fibers
13.15 Miscellaneous Applications
13.16 Advanced Polymeric Materials
Summary
Processing/Structure/Properties/Performance Summary
Important Terms and Concepts
References
Questions and Problems
Design Questions
Fundamentals of Engineering Questions and Problems
14.Synthesis,Fabrication,and Processing of Materials
Learning Objectives
14.1 Introduction
FABRICATION OF METALS
14.2 Forming Operations
14.3 Casting
14.4 Miscellaneous Techniques
THERMAL PROCESSING OF METALS
14.5 Annealing Processes
14.6 Heat Treatment of Steels
FABRICATION OF CERAMIC MATERIALS
14.7 Fabrication and Processing of Glasses and Glass-Ceramics
14.8 Fabrication and Processing of Clay Products
14.9 Powder Pressing
14.10 Tape Casting
SYNTHESIS AND FABRICATION OF POLYMERS
14.11 Polymerization
14.12 Polymer Additives
14.13 Forming Techniques for Plastics
14.14 Fabrication of Elastomers
14.15 Fabrication of Fibers and Films
Summary
Processing/Structure/Properties/Performance Summary
Important Terms and Concepts
References
Questions and Problems
Design Problems
Fundamentals of Engineering Questions and Problems
15.Composites
Learning Objectives
15.1 Introduction
PARTICLE-REINFORCED COMPOSITES
15.2 Large-Particle Composites
15.3 Dispersion-Strengthened Composites
FIBER-REINFORCED COMPOSITES
15.4 Influence of Fiber Length
15.5 Influence of Fiber Orientation and Concentration
15.6 The Fiber Phase
15.7 The Matrix Phase
15.8 Polymer-Matrix Composites
15.9 Metal-Matrix Composites
15.10 Ceramic-Matrix Composites
15.11 Carbon-Carbon Composites
15.12 Hybrid Composites
15.13 Processing of Fiber-Reinforced Composites
STRUCTURAL COMPOSITES
15.14 Laminar Composites
15.15 Sandwich Panels
Materials of Importance—Nanocomposite Barrier Coatings
Summary
Equation Summary
Important Terms and Concepts
References
Questions and Problems
Design Problems
Fundamentals of Engineering Questions and Problems
16.Corrosion and Degradation of Materials
Learning Objectives
16.1 Introduction
CORROSION OF METALS
16.2 Electrochemical Considerations
16.3 Corrosion Rates
16.4 Prediction of Corrosion Rates
16.5 Passivity
16.6 Environmental Effects
16.7 Forms of Corrosion
16.8 Corrosion Environments
16.9 Corrosion Prevention
16.10 Oxidation
CORROSION OF CERAMIC MATERIALS
DEGRADATION OF POLYMERS
16.11 Swelling and Dissolution
16.12 Bond Rupture
16.13 Weathering
Summary
Equation Summary
Important Terms and Concepts
References
Questions and Problems
Design Problems
Fundamentals of Engineering Questions and Problems
17.Thermal Properties
Learning Objectives
17.1 Introduction
17.2 Heat Capacity
17.3 Thermal Expansion
Materials of Importance—Invar and Other Low-Expansion Alloys
17.4 Thermal Conductivity
17.5 Thermal Stresses
Summary
Equation Summary
Important Terms and Concepts
References
Questions and Problems
Design Problems
Fundamentals of Engineering Questions and Problems
18.Magnetic Properties
Learning Objectives
18.1 Introduction
18.2 Basic Concepts
18.3 Diamagnetism and Paramagnetism
18.4 Ferromagnetism
18.5 Antiferromagnetism and Ferrimagnetism
18.6 The Influence of Temperature on Magnetic Behavior
18.7 Domains and Hysteresis
18.8 Magnetic Anisotropy
18.9 Soft Magnetic Materials
Materials of Importance—An Iron-Silicon Alloy That Is Used in Transformer Cores
18.10 Hard Magnetic Materials
18.11 Magnetic Storage
18.12 Superconductivity
Summary
Equation Summary
Important Terms and Concepts
References
Questions and Problems
Design Problems
Fundamentals of Engineering Questions and Problems
19.Optical Properties
Learning Objectives
19.1 Introduction
BASIC CONCEPTS
19.2 Electromagnetic Radiation
19.3 Light Interactions With Solids
19.4 Atomic and Electronic Interactions
OPTICAL PROPERTIES OF METALS
OPTICAL PROPERTIES OF NONMETALS
19.5 Refraction
19.6 Reflection
19.7 Absorption
19.8 Transmission
19.9 Color
19.10 Opacity and Translucency in Insulators
APPLICATIONS OF OPTICAL PHENOMENA
19.11 Luminescence
19.12 Photoconductivity
Materials of Importance—Light-Emitting Diodes
19.13 Lasers
19.14 Optical Fibers in Communications
Summary
Equation Summary
Important Terms and Concepts
References
Questions and Problems
Design Problem
Fundamentals of Engineering Questions and Problems
20.Economic,Environmental,and Societal Issues in Materials Science and Engineering
Learning Objectives
20.1 Introduction
ECONOMIC CONSIDERATIONS
20.2 Component Design
20.3 Materials
20.4 Manufacturing Techniques
ENVIRONMENTAL AND SOCIETAL CONSIDERATIONS
20.5 Recycling Issues in Materials Science and Engineering
Materials of Importance—Biodegradable and Biorenewable Polymers/Plastics
Summary
References
Design Questions
Appendix A The International System of Units (SI)
Appendix B Properties of Selected Engineering Materials
B.1 Density
B.2 Modulus of Elasticity
B.3 Poisson’s Ratio
B.4 Strength and Ductility
B.5 Plane Strain Fracture Toughness
B.6 Linear Coefficient of Thermal Expansion
B.7 Thermal Conductivity
B.8 Specific Heat
B.9 Electrical Resistivity
B.10 Metal Alloy Compositions
Appendix C Costs and Relative Costs for Selected Engineering Materials
Appendix D Repeat Unit Structures for Common Polymers
Appendix E Glass Transition and Melting Temperatures for Common Polymeric Materials
Mechanical Engineering Online Support Module Library of Case Studies Glossary
Answers to Selected Problems
Index