测试了不同频率时非晶合金带材磁化曲线和损耗曲线；测试了不同频率时非晶合金铁芯磁化曲线和损耗曲线；拟合得到非晶合金带材和非晶合金铁芯的损耗系数。

The magnetization curve and loss curve of amorphous alloy strips at different frequencies were tested; the magnetization curve and loss curve of amorphous alloy cores at different frequencies were tested; the loss coefficients of amorphous alloy strips and amorphous alloy cores were obtained by fitting.