Abstract
An experimental study was made of the effects of temperature on the dc and 60 cps magnetic properties of the following alloys: Orthonol, 4-79 Mo Permalloy, AEM 4750, L- and Z-Silectron, Transformer A, Audio Transformer A, 11.7 Alfenol, 15.5 Alfenol, Thermenol, 7-70 Perminvar, and Supermendur. The results indicate that, in general, an increase in temperature decreases the coercive force and the maximum and residual inductions. Maximum and initial permeabilities increase with increasing temperature until the Curie temperature is approached, then they decrease. The initial permeability generally reaches a maximum at a lower temperature than does the maximum permeability.
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