非晶合金低频损耗和频率的非线性关系来源的探讨

金属学报

1984, Vol. 20

Issue (3): 214-220

论文

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非晶合金低频损耗和频率的非线性关系来源的探讨

张延忠

上海钢铁研究所

A NOTE ON BEHAVIOUR OF NON-LINEAR DEPENDENCE OF LOW FREQUENCY LOSS UPON FREQUENCY FOR AMORPHOUS ALLOYS

ZHANG Yanzong (Shanghai Iron and Steer Research Institute) (Manuscript received 24 February; 1983; revised manuscript 5 July; 1983)

引用本文:

张延忠. 非晶合金低频损耗和频率的非线性关系来源的探讨[J]. 金属学报, 1984, 20(3): 214-220.
. A NOTE ON BEHAVIOUR OF NON-LINEAR DEPENDENCE OF LOW FREQUENCY LOSS UPON FREQUENCY FOR AMORPHOUS ALLOYS[J]. Acta Metall Sin, 1984, 20(3): 214-220.

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摘要: 本文基于对两种非晶软磁合金的低频损耗曲线的分析,探讨了低频损耗曲线非线性的来源。引入热起伏磁后效和微涡流两种非线性损耗,对损耗曲线进行了分析计算。结果表明,非线性主要来源于热起伏磁后效和为了降低微涡流损耗而引起的磁畴数随频率的变化。

Abstract：The behaviour of non-linear dependence of low frequency loss upon frequency has been approached on the basis of the analysis of low frequency loss curves for two types of amorphous alloy. The loss curves were analyzed and calculated by introducing two non-linear losses: the thermal fluctuation magnetic after effect and the micro-eddy current loss. The results show that the non-linearity is mainly attributed to a thermal fluctuation magnetic after effect and a numerical variation of the magnetic domain with frequency.

收稿日期: 1984-03-18

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