作为新一代的制冷技术,磁制冷技术已经进入到实用化研究阶段.主要评述了最有希望实用化的La-Fe-Si系磁制冷材料的研究进展,总结了材料的成相机制,以及热处理时间、温度、不同元素等因素对成相规律的影响,介绍了最新的制备加工工艺和氢化工艺,并讨论了 La-Fe-Si材料在磁制冷机中的应用进展,展望了磁制冷材料的发展趋势.
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