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Optimization of power loss in soft magnetic components basis on the choice ofthe best technological parameters values. Therefore, the power losses have beenmeasured in Somaloy 500 samples for a wide range of frequency and magneticinduction. These samples have been prepared under a wide range of the hardeningtemperatures and pressures. The power loss characteristics have been derived byassuming that investigated samples obeyed the scaling law. Agreement obtainedbetween experimental data and the scaling theory has confirmed this assumption.Moreover, the experimental data of the given sample have been collapsed to asingle curve which represented measurements for all values of frequency anmagnetic induction pick. Therefore, the scaling transforms the lossescharacteristics from the two dimensional surfaces to the one dimensionalcurves. The samples were produced according two methods: for differentpressures with constant temperature and at different temperatures with constantpressure. In both cases the power losses decrease with increasing pressure andwith increasing temperature. These trends in decreasing losses stopped forcertain critical values of pressure and temperature, respectively. Above thesevalues the power losses increase suddenly. Therefore, the mentioned above thecritical pressure and the critical temperature are sought after solutions foroptimal values. In order to reduce the parameters values set the limit curve inthe pressure-temperature plane has been derive. This curve constitutes aseparation curve between the parameters values corresponding to high and lowlosses.

Characteristics of Power Loss in SMC a Key for Desining the Best Values of Technological Parameters