TABLE 3.
% 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 |