研究了普通退火对非晶Fe78Si9B13合金铁芯电感的影响.实验发现:在不同退火温度(450~490℃)非晶合金铁芯的电感均随退火时间的延长单调下降;退火温度越低,电感下降的速率越小.合金经480℃×60min退火,有适当数量的α-Fe(Si)晶体相析出后,可呈现良好的恒导磁特性,形成横向感生磁各向异性;非晶合金铁芯具有较低的电感,很强的抗直流偏磁场能力和良好的恒电感特性.
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