工程材料力学行为

Chapter 1Introduction

REFERENCES

Chapter 2Mechanical Properties of Metals

2.1 Introduction

2.2 Concepts of Stress and Strain

2.3 StressStrain Behavior

2.4 Anelasticity(or Viscoelasticity)

2.5 Elastic Properties of Materials

2.6 Tensile Properties

2.6.1 Yield Strength

2.6.2 Tensile Strength

2.6.3 Ductility

2.6.4 Toughness

2.6.5 Resilience

2.7 True Stress and Strain

2.8 Elastic Recovery After Plastic Deformation

2.9 Compressive,Shear,and Torsion Deformation

2.10 Hardness

2.10.1 Rockwell Hardness Tests

2.10.2 Brinell Hardness Tests

2.10.3 Knoop and Vickers Microindentation Hardness Tests

2.10.4 Correlation between Hardness and Tensile Strength

SUMMARY

IMPORTANT TERMS AND CONCEPTS

REFERENCES38

QUESTIONS AND PROBLEM

Chapter 3 Fracture: Microscopic Aspects

3.1 Introduction

3.2 Classification of Fracture4

3.2.1 Ductile Fracture

3.2.2 Brittle Fracture

3.3 Process of Fracture

3.3.1 Crack Nucleation

3.3.2 Ductile Fracture

3.3.3 Brittle, Cleavage Fracture

3.4 Impact Fracture60

3.4.1 Impact Testing Techniques

3.4.2 DuctiletoBrittle Transition

SUMMARY

IMPORTANT TERMS AND CONCEPTS

REFERENCES

QUESTIONS AND PROBLEMS

Chapter 4Fracture: Macroscopic Aspects

4.1 Introduction

4.2 Theoretical Cleavage Strength

4.3 Stress Concentration

4.3.1 Stress Concentrations

4.3.2 Stress Concentration Factor

4.4 Griffith Criterion of Fracture

4.5 Fracture Toughness

4.5.1 Hypotheses of LEFM

4.5.2 CrackTip Separation Modes

4.5.3 Stress Field in an Isotropic Material in the Vicinity of a Crack Tip

4.5.4 Details of the CrackTip Stress Field in Model

4.5.5 PlasticZone Size Correction

4.6 Fracture Toughness Parameters

4.6.1 Crack Extension Force G

4.6.2 Crack Tip Opening Displacement(CTOD)

4.6.3 J Integral

4.6.4 R Curve

4.6.5 Relationships among Different Fracture Toughness Parameters

SUMMARY

IMPORTANT TERMS AND CONCEPTS

REFERENCES

QUESTIONS AND PROBLEMS

Chapter 5 Fatigue of Metal Materials

5.1 Introduction

5.2 Cyclic Stresses

5.3 The SN Curve

5.4 Mechanisms of Fatigue

5.4.1 Fatigue Crack Nucleation

5.4.2 Fatigue Crack Propagation

5.5 Linear Elastic Fracture Mechanics Applied to Fatigue

5.6 Factors That Affect Fatigue Life

5.7 Environmental Effects

SUMMARY

IMPORTANT TERMS AND CONCEPTS

REFERENCES

QUESTIONS AND PROBLEMS

Chapter 6 Creep of Metal Materials

6.1 Introduction

6.2 Generalized Creep Behavior

6.3 Stress and Temperature Effects

6.4 Fundamental Mechanisms Responsible for Creep1

6.4.1 Diffusion Creep

6.4.2 Dislocation (or Power Law) Creep

6.4.3 Dislocation Glide

6.4.4 GrainBoundary Sliding

6.5 Data Extrapolation Methods

6.6 Alloys for HighTemperature

SUMMARY

IMPORTANT TERMS AND CONCEPTS

REFERENCES

QUESTIONS AND PROBLEMS

Chapter 7 Strengthening Strategies of Metal Materials

7.1 Introduction

7.2 Dislocations

7.3 Boundary Strengthening

7.4 Strain Hardening (or Cold Working)

7.5 SolidSolution Alloying

7.6 Precipitation and DispersionAlloying

SUMMARY

IMPORTANT TERMS AND CONCEPTS

REFERENCES

QUESTIONS AND PROBLEMS

Chapter 8 Mechanical Behavior of Ceramics Materials

8.1 Introduction

8.2 StressStrain Behavior

8.3 Mechanisms of Plastic Deformation

8.4 Brittle Fracture of Ceramics

8.5 Various Mechanical Considerations

SUMMARY

IMPORTANT TERMS AND CONCEPTS

REFERENCES

QUESTIONS AND PROBLEMS

Chapter 9 Mechanical properties of Polymers Materials

9.1 Introduction

9.2 StressStrain Behavior

9.3 Macroscopic Deformation

9.4 Viscoelastic Deformation

9.5 Deformation of Elastomers

9.6 Fracture of Polymers

9.7 Various Mechanical Characteristics

9.8 Mechanisms of Deformation and for Strengthening of Polymers

9.9 Factors that Influence the Mechanical Properties of Semicrystalline

SUMMARY

IMPORTANT TERMS AND CONCEPTS

REFERENCES

QUESTIONS AND PROBLEMS

Chapter 10 Mechanical Properties of Composite Materials

10.1 Introduction210

10.2 StressStrain Behavior

10.2.1 Elastic Moduli

10.2.2 Strength

10.3 Toughness

10.4 Fracture in Composites

10.4.1 Single and Multiple Fracture

10.4.2 Failure Modes in Composites

SUMMARY

IMPORTANT TERMS AND CONCEPTS

REFERENCES

QUESTIONS AND PROBLEMS

Chapter 11 Environmental Effects in Metals,Ceramics and Polymers

11.1 Introduction

11.2 Electrochemical Nature of Corrosion in Metals

11.3 Passivity

11.4 Forms of Corrosion

11.5 Environmentally Assisted Fracture in Metals

11.5.1 Stress Corrosion Cracking (SCC)

11.5.2 Hydrogen Damage in Metals

11.6 Corrosion of Ceramic Materials

11.7 Degradation of Polymers

11.7.1 Swelling and Dissolution

11.7.2 Bond Rupture

11.7.3 Weathering

11.8 Corrosion Prevention

SUMMARY

IMPORTANT TERMS AND CONCEPTS

REFERENCES

QUESTIONS AND PROBLEMS

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