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28 March 2024
 
  » arxiv » cond-mat/0611289

 Article overview


Acoustic Emission of Growing Microcracks in Vibration-Loaded Material
A. K. Aringazin ; N. Ya. Karasev ; V. D. Krevchik ; V. A. Skryabin ; M. B. Semenov ;
Date 10 Nov 2006
Subject Materials Science
AbstractWe propose mechanism describing an acoustic emission by growing microcracks in the material under external cycled load. We use the theoretical approach based on Huygens principle for elastic solid con-tinuum with an account for dislocation creep in the zone of abrasive action. We show that the acoustic emission is anisotropic and its main direction depends not only on the effective length of microcrack but also on dynamics of dislocation structure and on diffusion processes in Kottrell zone which give rise to microcracks.
Source arXiv, cond-mat/0611289
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