Adiabatic, Isothermal, and Intermediate Pressure Derivatives of the Elastic Constants for Cubic Symmetry. II. Numerical Results for 25 Materials

The purely adiabatic and the purely isothermal pressure derivatives of the elastic constants are calculated from the experimentally determined mixed isothermal‐adiabatic pressure coefficients of the elastic constants for 24 cubic crystals and one isotropic material. Also the linear combinations of the third‐order elastic constants that can be determined from these data are given for the different thermodynamic conditions. The first two expansion coeffcients of the volume versus pressure relation were determined from the ultrasonically measured elastic constants and their pressure coefficients and compared with Bridgman's high pressure volumetric data.