在f=10~1000Hz及Bm=0.1~1.0T的范围内,测量了具有高起始磁导率的纳米晶Fe73.5Cu1Nb2V1Si13.5B9合金的总铁损.将总铁损分离为磁滞损耗、经典涡流损耗和过剩损耗之和,我们仔细地考查了每周低频损耗的非线性行为.根据损耗的统计理论,仔细地计算了每周过剩损耗.结果表明,这一理论能很好地描述低频损耗的非线性行为.
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