Ultrasound as a probe of dislocation density in aluminum
نویسندگان
چکیده
منابع مشابه
Measuring Dislocation Density in aluminum with Resonant Ultrasound Spectroscopy
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 predict...
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ژورنال
عنوان ژورنال: Acta Materialia
سال: 2012
ISSN: 1359-6454
DOI: 10.1016/j.actamat.2012.07.023