对Gd1-xCx(x=0、0.02、0.035、0.05)合金的磁热性能及显微硬度的分析测试表明,C的加入可大幅提高材料的维氏硬度;在一定成份范围内, C元素的加入对Gd的居里温度影响不大;2%(原子分数) C的加入几乎不降低Gd的绝热温变峰值, Gd0.95C0.05的最大磁熵变有所降低但降幅不大,综合比较,Gd0.98C0.02合金是制作工质盘理想的磁致冷材料.
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