摘要
设计了一套用42 K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,可用于磁性蓄冷材料的研究工作。
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.
出处
《低温工程》
CAS
CSCD
北大核心
1999年第4期209-212,共4页
Cryogenics