研究了Al添加量变化对Tb0.3Dy0.7(Fe1-xAlx)1.95合金显微组织、磁致伸缩系数的影响.结果发现,随着Al添加量的增加,晶体显微组织中的析出物增加;在一定的磁场强度下,磁致伸缩系数随Al添加量而变化,当磁场强度低于40kA/m时,磁致伸缩系数随Al添加量的变化曲线出现一峰值,当磁场强度高于40kA/m时,磁致伸缩系数随Al添加量的增加而降低.
参考文献
| [1] | Wohlfarth E P.Ferromagnetic Materials[M].Amste-rdam:North-Holland,1980:531-563. |
| [2] | FUNAYAMA T;Kobayashi T;Sakia I et al.Mn addition effect on magnetostriction temperature dependence in Tb0.3Dy0.7Fe2[J].Applied Physics Letters,1992,61(01):114-115. |
| [3] | Du J.;Tang CC.;Li YX.;Wu GH.;Zhan WS.;Wang JH. .Magnetostriction in twin-free single crystals TbyDy1-yFe2 with the addition of aluminum or manganese[J].Applied physics letters,1998(4):489-491. |
| [4] | Prajapati K.;Jenner A.G. .Magnetomechanical behaviour of rare earth iron-aluminium compounds[J].IEEE Transactions on Magnetics,1993(6):3514-3516. |
| [5] | J.C. Shih;T.S. Chin .The effect of beryllium addition on magnetostriction of the Tb0.3Dy0.7Fe2 alloy[J].Journal of Magnetism and Magnetic Materials,1999(1/2):101-106. |
| [6] | Dhilsha K R;Rao K V S R .Investigation of magnetic,magnetomechanical and electrical properties of the Tb0.27Dy0.73Fe2-xCox[J].Journal of Applied Physics,1993,73(03):1380-1385. |
| [7] | Prajapati K.;Jenner A.G. .Magnetoelastic behaviour of aluminium substituted Terfenol-D at elevated temperatures[J].IEEE Transactions on Magnetics,1995(6):3976-3978. |
| [8] | 倪嘉缵.稀土新材料及新流程进展[M].北京:科学出版社,1998:258-261. |
| [9] | 郑小平,薛德胜,李发伸,成昭华,吴光恒,沈保根.Tb0.3Dy0.7（Fe1-xAlx）1.95合金的结构、磁致伸缩性能和自旋重取向研究[J].金属功能材料,2003(05):13-17. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%