| 稀土合金GdCo2与Gd6Fe23的磁熵变测定 |
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| 引用本文： | 李卓棠,吴佩芳,刘兰兰.稀土合金GdCo2与Gd6Fe23的磁熵变测定[J].上海大学学报(自然科学版),1999,5(5):393-396. |
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| 作者姓名： | 李卓棠 吴佩芳 刘兰兰 |
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| 作者单位： | 上海大学,材料科学与工程学院,上海,201800 |
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| 摘 要： | 在氩气气氛中用溶炼法制备了ＧｄＣｏ２ 和Ｇｄ６Ｆｅ２３ 二种稀土合金．用振动样品磁强计测量它们的磁化曲线，从而计算出磁熵变，估计出磁热效应．此工作能够为设计磁冰箱提供初步的数据
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| 关 键 词： | 稀土合金 磁熵变 磁热效应 |
Determination of Magnetic Entropy Changes for GdCo2 and Gd6Fe23 |
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| LI Zhuo-tang,WU Pei-fang,LIU Lan-lan.Determination of Magnetic Entropy Changes for GdCo2 and Gd6Fe23[J].Journal of Shanghai University(Natural Science),1999,5(5):393-396. |
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| Authors: | LI Zhuo-tang WU Pei-fang LIU Lan-lan |
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| Abstract: | Alloys GdCo 2 and Gd 6Fe 23 were obtained by melting corresponding metals in argon atmosphere. The magnetization curves of these alloys were measured with vibration sample magnetometer, from which magnetic entropy changes were calculated and magnetocaloric effect were evaluated. This work provides preliminary information needed for the design of magnetic refrigerators. |
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| Keywords: | rear earth alloys magnetic entropy changes magnetocaloric effect |
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