Crack paths
著者
書誌事項
Crack paths
（Advances in damage mechanics, v. 2）
WIT Press, c2002
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注記
Includes bibliographical references and index
内容説明・目次
内容説明
Many engineering structures and components contain cracks or crack-like flaws and it is widely recognized that crack growth must be considered both in the design and analysis of failures. The complete solution of a crack growth problem therefore includes determination of the crack path. At present the factors controlling the path taken by a propagating crack are not completely understood. In general crack paths are difficult to predict, while in practice their development in structures is often determined by large-scale structural tests. In introductory texts on fracture mechanics it is usually assumed that the crack path is known, either from theoretical considerations, or from the results of laboratory tests. A great amount of published information on crack paths exists, but this is scattered and often incomplete. This book provides an accessible state-of-the-art survey, with major themes presented in as unified a manner as possible.
目次
- Chapter 1 Crack Descriptions: Introduction
- Scales of observation
- Crack growth surfaces and crack front families
- Crack surface displacement
- Volterra distorsioni
- Crack growth mode
- Fractal geometry
- Random process theory
- References. Chapter 2 Geometric Constraints: Introduction
- Crack front types
- Differential geometry
- Corner point singularities
- Crack front line tension
- Notches and side grooves
- References. Chapter 3 Failure Criteria and Crack Tip Plasticity: Introduction
- Static failure criteria
- Fatigue failure criteria
- Limitations of stress intensity factors
- Estimation of plastic zone sizes
- Crack tip surface displacements
- The J-integral
- The HRR singularity
- References. Chapter 4 Directional Stability of a Mode I Crack: Introduction
- Definition of crack path stability
- The T-stress criterion
- A T-stress based stability parameter
- Practical applications
- References. Chapter 5:= Fatigue Crack Growth from an Initial Mixed Modes I and II Crack: Introduction
- Limitations of analysis
- Initial path of a Mode I branch fatigue crack
- Branch crack stress intensity factors
- Maximum tangential stress criterion
- Mode I fatigue crack paths and predictions
- Shear dominated fatigue crack growth
- Failure mechanism map
- Non proportional loadings
- References. Chapter 6 Static Crack Growth from an Initial Mixed Modes I and II Crack: Introduction
- Criteria based on elastic crack tip stress fields
- Crack growth under compression
- References. Chapter 7 Some Aspects of Crack Growth in Three Dimensions: Introduction
- Twist cracks
- Oscillating crack front families
- Slant crack growth in thin sheets
- Spot welds
- Hydraulic fracturing
- Fatigue crack path prediction
- References.
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