摘要:采用单辊熔体急冷法制备(Fe0.5Co0.5)73.5Cu1Nb3Si13.5B9的非晶合金。使用列格公式对(Fe0.5Co0.5)73.5Cu1Nb3Si13.5B9非晶、纳米晶合金环形器件的涡流损耗、磁滞损耗及剩余损耗进行分析,并与同时施加不同直流偏压场的各种损耗比较。淬态条件下(Fe0.5Co0.5)73.5Cu1Nb3Si13.5B9非晶合金环形器件的损耗主要表现为磁滞损耗,而涡流损耗很低。经过退火后,由于纳米晶合金软磁性能大幅度提高,器件的磁滞损耗及剩余损耗降低。直流偏压场对于三种损耗有显著影响。
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