Mechanical Properties of Engineered Materials by Wole Soboyejo

Contents of Mechanical Properties of Engineered Materials by Wole Soboyejo eBook

1. Overview of Crystal/Defect Structure and Mechanical Properties and Behavior

- Introduction.

- Atomic Structure.

- Chemical Bonds.

- Structure of Solids.

- Structural Length Scales: Nanostructure, Microstructure, and Macrostructure.

2. Defect Structure and Mechanical Properties

- Indicial Notation for Atomic Planes and Directions.

- Defects.

- Thermal Vibrations and Microstructural Evolution.

- Overview of Mechanical Behavior.

3. Basic Definitions of Stress and Strain

- Basic Definitions of Stress.

- Basic Definitions of Strain.

- Mohr’s Circle of Stress and Strain.

- Computation of Principal Stresses and Principal Strains.

- Hydrostatic and Deviatoric Stress Components.

- Strain Measurement.

- Mechanical Testing.

4. Introduction to Elastic Behavior

- Introduction to Linear Elasticity.

- Theory of Elasticity.

- Introduction to Tensor Notation.

- Generalized Form of Linear Elasticity.

- Strain Energy Density Function.

5. Introduction to Plasticity

- Physical Basis for Plasticity.

- Elastic–Plastic Behavior.

- Empirical Stress–Strain Relationships.

- Considere Criterion.

- Yielding Under Multiaxial Loading.

- Introduction to J2 Deformation Theory.

- Flow and Evolutionary Equations (Constitutive Equations of Plasticity).

6. Introduction to Dislocation Mechanics

- Theoretical Shear Strength of a Crystalline Solid.

- Types of Dislocations.

- Movement of Dislocations.

- Experimental Observations of Dislocations.

- Stress Fields Around Dislocations.

- Strain Energies.

- Forces on Dislocations.

- Forces Between Dislocations.

- Forces Between Dislocations and Free Surfaces.

7. Dislocations and Plastic Deformation

- Dislocation Motion in Crystals.

- Dislocation Velocity.

- Dislocation Interactions.

- Dislocation Bowing Due to Line Tension.

- Dislocation Multiplication.

- Contributions from Dislocation Density to Macroscopic Strain.

- Crystal Structure and Dislocation Motion.

- Critical Resolved Shear Stress and Slip in Single Crystals.

- Slip in Polycrystals.

- Geometrically Necessary and Statistically Stored Dislocations.

- Dislocation Pile-Ups and Bauschinger Effect.

- Mechanical Instabilities and Anomalous/Serrated Yielding.

8. Dislocation Strengthening Mechanisms

- Dislocation Interactions with Obstacles.

- Solid Solution Strengthening.

- Dislocation Strengthening.

- Grain Boundary Strengthening.

- Precipitation Strengthening.

- Dispersion Strengthening.

- Overall Superposition.

9. Introduction to Composites

- Types of Composite Materials.

- Rule-of-Mixture Theory.

- Deformation Behavior of Unidirectional Composites.

- Matrix versus Composite Failure Modes in Unidirectional Composites.

- Failure of Off-Axis Composites.

- Effects of Whisker/Fiber Length on Composite Strength and Modulus.

- Constituent and Composite Properties.

- Statistical Variations in Composite Strength.

10. Further Topics in Composites

- Unidirectional Laminates.

- Off-Axis Laminates.

- Multiply Laminates.

- Composite Ply Design.

- Composite Failure Criteria.

- Shear Lag Theory.

- The Role of Interfaces.

11. Fundamentals of Fracture Mechanics

- Fundamentals of Fracture Mechanics.

- Notch Concentration Factors.

- Griffith Fracture Analysis.

- Energy Release Rate and Compliance.

- Linear Elastic Fracture Mechanics.

- Elastic–Plastic Fracture Mechanics.

- Fracture Initiation and Resistance.

- Interfacial Fracture Mechanics.

- Dynamic Fracture Mechanics.

12. Mechanisms of Fracture

- Fractographic Analysis.

- Toughness and Fracture Process Zones.

- Mechanisms of Fracture in Metals and Their Alloys.

- Fracture of Intermetallics.

- Fracture of Ceramics.

- Fracture of Polymers.

- Fracture of Composites.

- Quantitative Fractography.

- Thermal Shock Response.

13. Toughening Mechanisms

- Toughening and Tensile Strength.

- Review of Composite Materials.

- Transformation Toughening.

- Crack Bridging.

- Crack-Tip Blunting.

- Crack Deflection.

- Twin Toughening.

- Crack Trapping.

- Microcrack Shielding/Antishielding.

- Linear Superposition Concept.

- Synergistic Toughening Concept.

- Toughening of Polymers.

14. Fatigue of Materials

- Micromechanisms of Fatigue Crack Initiation.

- Micromechanisms of Fatigue Crack Propagation.

- Conventional Approach to Fatigue.

- Differential Approach to Fatigue.

- Fatigue Crack Growth in Ductile Solids.

- Fatigue of Polymers.

- Fatigue of Brittle Solids.

- Crack Closure.

- Short Crack Problem.

- Fatigue Growth Laws and Fatigue Life Prediction.

- Fatigue of Composites.

15. Introduction to Viscoelasticity, Creep, and Creep Crack Growth

- Creep and Viscoelasticity in Polymers.

- Mechanical Dumping.

- Temperature Dependence of Time-Dependent Flow in Polymers.

- Introduction to Creep in Metallic and Ceramic Materials.

- Functional Forms in the Different Creep Regimes.

- Secondary Creep Deformation and Diffusion.

- Mechanisms of Creep Deformation.

- Creep Life Prediction.

- Creep Design Approaches.

- Threshold Stress Effects.

- Creep in Composite Materials.

- Thermostructural Materials.

- Introduction to Superplasticity.

-Introduction to Creep Damage and Time-Dependent Fracture Mechanics.

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