Ultrasound as a probe of dislocation density in aluminum


Felipe Barra;Maria Teresa Cerda;Rodrigo Espinoza;Fernando Lund;Agnes Maurel;Nicolas Mujica;Vincent Pagneux;


<正>Ultrasound is widely used a non destructive evaluation tool.This is based on the interaction of acoustic waves with defects,flaws and objects inside elastic bodies.Could ultrasound be used as a similar tool to evaluate the plastic performance of materials? An affirmative answer involves the theory of dislocation-wave interaction, and resonant ultrasound spectroscopy(RUS) measurements


Ultrasound as a probe of dislocation density in aluminum;


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