WORKING COMPONENT FOR MAGNETIC HEAT EXCHANGE AND METHOD OF PRODUCING A WORKING COMPONENT FOR MAGNETIC REFRIGERATION

摘要

A method for manufacturing an operating element for magnetic heat exchange and an operating element for magnetic refrigeration is provided. The magnetic heat exchanging operation element includes a magnetic calorimetric active phase, and the magnetic calorimetric active phase includes La_One-aR_a(Fe_One-x-yT_yM_x)₁₃H_z, Wherein the hydrogen content z is the hydrogen saturation value z_sat, And the values of a, x and y are at least 90% of the Curie temperature T_c/ RTI M is at least one element from the group consisting of Si and Al and T is at least one element from the group consisting of Co, Ni, Mn, Cr, Cu, Ti and V and R is at least one element selected from the group consisting of Ce, Lt; / RTI T_cmaxZ = z_satAnd a hydrogen content of the La,_One-aR_a(Fe_One-x-yT_yM_x)₁₃H_zLt; / RTI The operating element is (T_cmax - T_c) 20K_cHave