Measurements of the decay of magnetic permeability with time after demagnetization have been performed on Fe—17 at.% Al. Measurements were obtained over the range of 360° to 475°C, with a wire specimen acting as the core of an open‐end transformer. The decay curves could be separated analytically into two components, with relaxation times differing by about a factor of six. Relaxation times for the shorter of the two components agree well with relaxation times calculated from observations of the Zener peak (by internal‐friction methods) in these alloys. Thus, as is the case for carbon in alpha‐iron, this component results from an ordering process which can be either stress or magnetically induced. The activation energy for this process is about 56 kcal/mole. The longer of the two relaxation processes apparently involves directional ordering alone.