Frequency dependence of the speed of sound in metallic rods
A Marques,
M S Rodrigues
Abstract:The speed of sound waves in rods depends on the relationship between wavelength and rod dimensions. 
It differs from the speeds readily available in tables, and from what is often learned during most introductory courses on solid-state physics. Metallic rods with diameters in the centimetre range excited with sound waves of tens of kHz will behave as dispersive media.
Here, the speed of sound in metallic titanium rods of different lengths is measured, by using two different methodologies: 1) fr… Show more
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