Amorphous material for regenerator.

摘要

Disclosed herein is an amorphous material in the form of foil for the regenerator, which is prepared by quenching a melt of a rare earth alloy by injection toward the surface of a roll running at a high speed, said alloy being composed of one or more rare earth elements in an amount of 50-99 atomic%, with the remainder being one or more iron family elements. This amorphous material has a large, stable specific heat capacity at very low temperatures.