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永磁材料的性能對室溫磁制冷機中磁化場的影響
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TG154.4

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Influence of Permanent Magnetic Material Performances on Magnetic Field for Room-Temperature Magnetic Refrigerators
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    摘要:

    在磁路結構相同的情況下，計算了體積、形狀相同，但性能不同的NdFeB永磁材料所對應的氣隙相同的磁路的場強分布，并比較了它們的場強大小，分析了影響場強的因素。表明在設計磁制冷永磁磁化場時，不必一味追求高磁能積材料，要綜合考慮永磁材料的磁能積、矯頑力、剩磁等性能，從而為室溫磁制冷機中磁化場的建立提供選材依據(jù)。

    Abstract:

    The field strength distribution of the magnetic circuit vs the NdFeB permanents was calculated in the condition of the same magnetic structure. The permanents were possessed of the same volumes and configurations, but different performaces, and there was the same width of air-gap in the magnetic circuit. Their field strength magnitudes were compared and the factors of influence on magnetic field strength were analyzed . According the results it is necessary comprehensively to consider magnetic-energy-product, coercive force, remanence etc rather than to emphasize the materials with high magnetic-energy-product upon designing the permanent magnetic field for magnetic refrigeration so as to provide the proper basis for selecting materials in designing the magnetic field for room-temperature magnetic refrigirators.

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唐永柏 陳云貴 李煥杏 付浩 唐定驤 涂銘旌.永磁材料的性能對室溫磁制冷機中磁化場的影響[J].稀有金屬材料與工程,2004,33(9):965~967.[Tang Yongbai, Chen Yungui, Li Huanxing, Fu Hao, Tang Dingxiang, Tu Mingjing. Influence of Permanent Magnetic Material Performances on Magnetic Field for Room-Temperature Magnetic Refrigerators[J]. Rare Metal Materials and Engineering,2004,33(9):965~967.]
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  • 最后修改日期:2004-05-28
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