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Measuring Dislocation Density in Aluminum with Resonant Ultrasound Spectroscopy by Barra, Felipe; Caru, Andres; Cerda, Maria Teresa; Espinoza, Rodrigo; Jara, Alejandro; Lund, Fernando; Mujica, Nicolas is a scholarly article available to read on EtoBox.

What is Measuring Dislocation Density in Aluminum with Resonant Ultrasound Spectroscopy about?

Dislocations in a material will, when present in enough numbers, change the speed of propagation of elastic waves. Consequently, two material samples, differing only in dislocation density, will have different elastic constants, a quantity that can be measured using Resonant Ultrasound Spectroscopy. Measurements of this effect on aluminum samples are reported. They compare well with the predictions of the theory.

Author

Barra, Felipe; Caru, Andres; Cerda, Maria Teresa; Espinoza, Rodrigo; Jara, Alejandro; Lund, Fernando; Mujica, Nicolas

Published

2008

Language

EN