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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
Two rare earth alloys, GdCo2 and Gd6Fe23, were prepared by a melting method under argon atmosphere. Their magnetization curves were measured with a vibrating sample magnetometer to calculate the magnetic entropy change and estimate the magnetocaloric effect. This work can provide preliminary data for the design of magnetic refrigerator