Abstract
The discrete nature of the phenomenon of crack initiation in the crystal grain lattice was investigated. Fatigue crack propagation within the crystalline grains, the influence of the vicinity of the grain boundary on its propagation and its arrest, and the dislocation modeling of short fatigue crack growth through single shear, were analyzed, respectively.
Kurzfassung
Die diskrete Natur der Rissbildung im Kristallgitter wurde untersucht. Die Ermüdungsrissausbreitung innerhalb der kristallinen Körner, der Einfluss der Korngrenzenumgebung auf Rissfortschritt und –stillstand und die Modellierung von Versetzungen für kurzes Ermüdungsrisswachstum durch Einfachscherung wurde analysiert.
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