| 用4.2 K制冷机为冷源的磁性材料比热测量 |
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| 引用本文： | 金文谦,陈良,张亮.用4.2 K制冷机为冷源的磁性材料比热测量[J].低温工程,1999(4):209-212. |
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| 作者姓名： | 金文谦 陈良 张亮 |
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| 作者单位： | 中国科学院低温技术实验中心,北京,100080 |
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| 摘 要： | 设计了一套用４．２Ｋ制冷机为冷源的磁性材料比热测量装置。由于采用了Ｇ－Ｍ制冷机对试件进行冷却，从而使得实验操作简单方便，测试费用也较低，本试验过程完全实现了测试系统自动化，样品冷却温度，比热测量过程的监控以及比热测量数据的处理都由计算机自动完成，实验表明，该装置达到了预期的设计目标，可用于磁性蓄冷性能的研究工作。
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| 关 键 词： | 磁性材料 比热测量 G-M制冷机 |
MEASUREMENT OF SPECIFIC HEAT OF MAGNETIC MATERIALS WITH 4.2 K G-M REFRIGERATOR |
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| Jin Wenqian Chen Liang Zhang Liang.MEASUREMENT OF SPECIFIC HEAT OF MAGNETIC MATERIALS WITH 4.2 K G-M REFRIGERATOR[J].Cryogenics,1999(4):209-212. |
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| Authors: | Jin Wenqian Chen Liang Zhang Liang |
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| Abstract: | An experimental apparatus for measuring specific heat of magnetic materials with 4 2 K GM refrigerator has been developed.It simplifies the measuring procedure greatly and the measurement cost decreases.All of the operations are automatically performed under the control of a computer.The results have been verified satisfactorily.The apparatus can be used in the research work of magnetic materials. |
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| Keywords: | magnetic material specific heat measurement GM refrigerator |
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