Abstract
It is well-known that either the outer or the medial sheet of the slowness surface of an elastic material with cubic symmetry intersects the cube faces in circles. In is shown here that there exist on the next sheet (medial or outer) three pairs of circles centred on the symmetry axes and situated in planes parallel to the cube faces.
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References
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Musgrave M. J. P.,Crystal Acoustics. Holden-Day, San Francisco, etc., 1970.
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Chadwick, P., Smith, G.D. Circles on the slowness surface of a cubic elastic material. J Elasticity 9, 393–396 (1979). https://doi.org/10.1007/BF00044616
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DOI: https://doi.org/10.1007/BF00044616