The conductivity of unidirectionally solidified eutectic composites was measured by using a direct-current method at temperatures ranging from 40 to 600C. The considerable anisotropy (table 161) was attributed to the fibrous microstructure of the eutectic structure.

E.Hartmann, V.V.Peller, G.I.Rogalski: Solid State Ionics, 1990, 37[2-3], 123-4

Table 161

Activation Enthalpy for Conduction in NaCl-NaF Eutectic Composites