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納米金屬沉積層對(duì)NdFeB磁粉及其磁體性能的影響
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TM271

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浙江省自然科學(xué)基金資助(501077)


Effect of Nanometal Deposited Layers on Properties of NdFeB Powders and Magnets
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    摘要:

    采用電化學(xué)方法在NdFeB磁粉表面沉積6種組合的單層或雙層納米厚度的金屬層．測(cè)試了包覆磁粉的電極電位和磁性能，包覆磁粉制備的粘結(jié)磁體的電阻率。磁粉電極電位表現(xiàn)為NdFeB和沉積金屬的混合電位。磁粉的磁性能變化與沉積金屬的性質(zhì)有關(guān)。磁體電阻率三月現(xiàn)為NdFeB和沉積金屬的混合電阻率，沉積Zn/Ni雙金屬層的樣品電阻率異常地增加．其矯頑力和最大磁能積均有不同程度的降低。

    Abstract:

    Six kinds of cladding combination of nanometal with one or two layers were electrodeposited on the surface of NdFeB powders. The electrode potential of those powders were measured to be a mixed potential combined NdFeB and deposited metals. It was shown that the properties of magnetic powder were related to the property of deposited metals. The resistivity of magnets showed the mixed resistivity of NdFeB and deposited metals. It was found that the resistivity of the sample deposited by the nano-Zn/Ni film increased abnormally, and its (BH)m and Hc decreased in various degrees.

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姜力強(qiáng) 林旻 鄭精武.納米金屬沉積層對(duì)NdFeB磁粉及其磁體性能的影響[J].稀有金屬材料與工程,2005,34(6):974~977.[Jiang Liqiang, Lin Min, Zheng Jingwu. Effect of Nanometal Deposited Layers on Properties of NdFeB Powders and Magnets[J]. Rare Metal Materials and Engineering,2005,34(6):974~977.]
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  • 最后修改日期:2004-05-08
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