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. Author manuscript; available in PMC: 2011 Jul 1.
Published in final edited form as: Ultrason Imaging. 2011 Apr;33(2):134–142. doi: 10.1177/016173461103300204

TABLE 3.

Measured shear-wave speeds, attenuation-coefficient slopes and sound speeds for different graphite concentrations.

% Graphite Shear-wave speed
(m/s)
Attenuation-coefficient slope
(dB/(cm MHz))
Sound speed
(m/s)
12.4 1.98±0.24 0.90±0.06 1532±11.6
10 1.84±0.27 0.74±0.03 1527±8.3
8 1.76±0.24 0.63±0.02 1540±3.6
5 1.54±0.26 0.36±0.05 1532±4.2