AbstractThe fundamentals of the gradient freezing process were dealt with in the first part of this publication. The second part describes aspects of the thermal technology of the process. Temperature measurements in model crystals and temperature field calculations show how the thermal conditions are influenced by the quality of furnace design, the size and position of the charge, installations in the furnace, and the effect of the melting enthalpy. A characteristic example of the gradient freezing technique is derived from the results.