Crack paths
著者
書誌事項
Crack paths
（Advances in damage mechanics, v. 2）
WIT Press, c2002
大学図書館所蔵 全6件
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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