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Defect Densities

  • Roman Teisseyre
  • Maria Teisseyre-Jeleńska
Chapter
Part of the GeoPlanet: Earth and Planetary Sciences book series (GEPS)

Introduction

In solids an important role in the fracture processes is played by the defect densities; the defects reorganize the applied stress load and may form a special kind of defect-related anisotropy. There appears an important influence of the defect densities on the formation of micro-fractures and fragmentation processes. From the solution for edge dislocations we learn about the necessity to account for an asymmetry of stresses and strains. The defects and the induced stresses appear also due to the human activity, e.g., in the mining regions and water dam areas. In the theory of dislocations and dislocation arrays there appear relations between the defect densities and strains. The defect densities relate to the derivatives of strain fields; we present the appropriate relations for the asymmetric effects introduced in the frame of our Asymmetric Theory. Due to an influence of the dislocation density distribution, related to processes appearing at the extrema of densities, we...

Keywords

Defect Density Edge Dislocation Black Body Radiation Internal Defect Defect Distribution 
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References

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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  1. 1.Institute of GeophysicsPolish Academy of SciencesWarsawPoland

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