## Beschreibung

### Beschreibung

New developments in the applications of fracture mechanics to engineering problems have taken place in the last years. Composite materials have extensively been used in engineering problems. Quasi-brittle materials including concrete, cement pastes, rock, soil, etc. all benefit from these developments. Layered materials and especially thin film/substrate systems are becoming important in small volume systems used in micro and nanoelectromechancial systems (MEMS and NEMS). Nanostructured materials are being introduced in our every day life. In all these problems fracture mechanics plays a major role for the prediction of failure and safe design of materials and structures. These new challenges motivated the author to proceed with the second edition of the book.The second edition of the book contains four new chapters in addition to the ten chapters of the first edition. The fourteen chapters of the book cover the basic principles and traditional applications, as well as the latest developments of fracture mechanics as applied to problems of composite materials, thin films, nanoindentation and cementitious materials. Thus the book provides an introductory coverage of the traditional and contemporary applications of fracture mechanics in problems of utmost technological importance.

With the addition of the four new chapters the book presents a comprehensive treatment of fracture mechanics. It includes the basic principles and traditional applications as well as the new frontiers of research of fracture mechanics during the last three decades in topics of contemporary importance, like composites, thin films, nanoindentation and cementitious materials. The book contains fifty example problems and more than two hundred unsolved problems. A "Solutions Manual" is available upon request for course instructors from the author.

### Inhaltsverzeichnis

Conversion tablePreface to the Second Edition

Preface 1: Introduction

1.1. Conventional failure criteria

1.2. Characteristic brittle failures

1.3. Griffith's work

1.4. Fracture mechanics

References 2: Linear Elastic Stress Field in Cracked Bodies

2.1. Introduction

2.2. Crack deformation modes and basic concepts

2.3. Westergaard method

2.4. Singular stress and displacement fields

2.5. Stress intensity factor solutions

2.6. Three-dimensional cracks

Examples

Problems

Appendix 2.1

References 3: Elastic-Plastic Stress Field in Cracked Bodies

3.1. Introduction

3.2. Approximate determination of the crack-tip plastic zone

3.3. Irwin's model

3.4. Dugdale's model

Examples

Problems

References

4: Crack Growth Based on Energy Balance

4.1. Introduction

4.2. Energy balance during crack growth

4.3. Griffith theory

4.4. Graphical representation of the energy balance equation

4.5. Equivalence between strain energy release rate and stress intensity factor

4.6. Compliance

4.7. Crack stability

Examples

Problems

References 5: Critical Stress Intensity Factor Fracture Criterion

5.1 . Introduction

5.2. Fracture criterion

5.3. Variation of Kc with thickness

5.4. Experimental determination of K1c

5.5. Crack growth resistance curve (R-curve) method

5.6. Fracture mechanics design methodology

Examples

Problems

Appendix 5.1

References 6: J-Integral and Crack Opening Displacement Fracture Criteria

6.1. Introduction

6.2. Path-independent integrals

6.3. J-integral

6.4. Relationship between the J-integral and potential energy

6.5. J-integral fracture criterion

6.6. Experimental determination of the J-integral

6.7. Stable crack growth studied by the J-integral

6.8. Crack opening displacement (COD)fracture criterion

Examples

Problems

References 7. Strain Energy Density Failure Criterion: Mixed-Mode Crack Growth 7.1. Introduction

7.2. Volume strain energy density

7.3. Basic hypotheses

7.4. Two-dimensional linear elastic crack problems

7.5. Uniaxial extension of an inclined crack

7.6. Ductile fracture

7.7. The stress criterion

Examples

Problems

References 8: Dynamic Fracture

8.1. Introduction

8.2. Mott's model

8.3. Stress field around a rapidly propagating crack

8.4. Strain energy release rate

8.5. Crack branching

8.6. Crack arrest

8.7. Experimental determination of crack velocity and

dynamic stress intensity factor

Examples

Problems

References 9: Fatigue and Environment-Assisted Fracture

9.1. Introduction

9.2. Fatigue crack propagation laws

9.3. Fatigue life calculations

9.4. Variable amplitude loading

9.5. Environment-assisted fracture

Examples

Problems

References 10: Micromechanics of Fracture

10.1. Introduction

10.2. Cohesive strength of solids

10.3. Cleavage fracture

10.4. Intergranular fracture

10.5. Ductile fracture

10.6. Crack detection methods

References 11: Composite Materials

11.1. Introduction

11.2. Through4hickness cracks 11.3. Interlaminar fracture

References 12: Thin Films

12.1. Introduction

12.2. Interfacial failure of a bimaterial system

12.3. Steady-state solutions for cracks in bilayers

12.4. Thin films under tension

12.5. Measurement of interfacial fracture toughness

References 13: Nanoindentation

13.1. Introduction

13.2. Nanoindentation for measuring Young's modulus and hardness

13.3. Nanoindentation for measuring fracture toughness

13.4. Nanoindentation for measuring interfacial fracture

toughness

### Pressestimmen

From the reviews of the second edition:"The second edition of this textbook ... now covers the latest developments as well as the basic principles and traditional applications of composites, thin films and cement materials." (Materials Today, May 2005)

EAN: 9781402028632

ISBN: 1402028636

Untertitel: An Introduction.
2nd ed. 2005.
Book.
Sprache: Englisch.

Verlag: Springer

Erscheinungsdatum: Februar 2005

Seitenanzahl: 396 Seiten

Format: gebunden

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