用量子磁强仪对Cd0.6Dy0.4Co2-xAlx(x=0,0.1)系合金的居里温度、磁相变、磁熵变等磁性质进行了研究.结果表明:该系合金居里温度随着X量的引入而增加;热处理后,X=0,0.1合金由双相晶体结构基本变为单相晶体结构,磁熵变比铸态合金分别提高53.2%和33.1%,居里温度基本不变.铝元素的加入并没有改变合金的相变类型,合金仍保持二级相变.
参考文献
[1] | Due NH;BrommerPE.in:BnschowKHJ.Handbook of magnetic materials[M].Amsterdam:Elsevier Science,1999 |
[2] | Pecharsky V K;Gsehneidner K A J .Magnetocsloric effect and magnetic refrigeration[J].Journal of Magnetism and Magnetic Materials,1999,200:44. |
[3] | Wang Dunhui;Liu Haidang;Tang Shaolong;Yang Sen Huang Songling Du Youwei .Magnetic properties and magnetocaloric effects in (GdxDy1-x)Co2 compounds[J].Physics Letters,2002,297:247. |
[4] | Gu Zhengfei;Zhou Bo;Li Junqin;Ao Weiqin Chang Gang ZhaoJiacheng .Magnetocaloric effect of of,GdCo2-xAlx compounds[J].Solid State Communications,2007,141:548. |
[5] | Deng Jianqiu,Zhu Jinming,Yan Jialin,Zhuang Yinghong,Wang Richu.Magnetocaloric Effect of Alloys Gd(Al1-xCox)2[J].稀土学报(英文版),2007(06):783-786. |
[6] | Liu Haiclong;Wang Dunhui;Tang Shaolong;Cao Qingqi Tang Tao Gu Benxi Du Youwei .The magnetocaloric effect and magnetic phase transitions in Dy(Co1-xAlx)2 compounds[J].Journal of Alloys and Compounds,2002,346:314. |
[7] | 王敦辉,刘海东,唐少龙,黄嵩岭,都有为.Dy(Co1-xMx)2(M=Al, Si)系列合金的磁熵变研究[J].中国稀土学报,2003(04):388-390. |
[8] | 谢鲲,杨森,孙占波,刘剑,王宇,宋晓平.(Dy1-xGdx)Co2的磁熵变研究[J].西安交通大学学报,2003(06):635-637. |
[9] | 庄应烘,徐艳,邓健秋,陈湘.锡替代钴对DyCo2合金的结构和磁热效应的影响[J].广西大学学报(自然科学版),2006(04):271-274. |
[10] | 冯再 .(Cd1-xRx)5Si4(R=Dy,Ho)系列新型磁制冷材料的研究[D].成都:西华大学,2005. |
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