改善GdSiGe室温磁致冷材料磁热性能的途径  

Measures Improving Magnetocaloric Properties of GdSiGe Room-Te mperature Magnetic Refrigerating Alloy

作　　者：黄苍碧[1] 陈云贵[1] 滕保华[1] 涂铭旌[1] 

机构地区：[1]四川大学金属材料系,四川成都610065

出　　处：《中国稀土学报》2003年第4期359-362,共4页Journal of the Chinese Society of Rare Earths

基　　金：国家863计划资助项目

摘　　要：GdSiGe合金是最优良的室温磁致冷材料之一。介绍了改善GdSiGe合金磁热性能的各种途径,涉及该材料的合金化、熔炼、凝固、热处理、纳米化、复合化等方面的工作研究。GdSiGe is a kind of magnetic refrigerating alloy having the best magnetocaloric p roperties by now. Some work done in our laboratory and by other researchers in the world abou t improving the magnetocaloric proprieties of the GdSiGe alloy were introduced, from the point of view of alloying, melting, solidification, heat treatment, nan ometrization, co mposite. It aims at enhancing the entropy change and the adiabatic temperature c hange. It will be helpful for applying the GdSiGe magnetic refrigerator alloy to the room magnetic refrigeration.

关 键 词：金属材料 磁致冷材料 GdsiGe 合金化 熔炼 热处理 纳米化 稀土 

分 类 号：TB64[一般工业技术—制冷工程]