Adiabatic magnetization processes

Magnetization processes are investigated in connection with the heat transfer to the lattice. The temperature was measured of a heat-insulated sample in the course of virgin curves, hysteresis- and minor loops. Thus it is possible to separate reversible and irreversible contributions. The dissipation of magnetization energy is located at the coercivity point. The reversible heat transfer is in agreement with the thermodynamical coefficient in connection with the temperature dependence of saturation magnetization.