含铽多晶Ni-Mn-Ga磁性记忆合金的大磁感生应变

稀有金属, 2004, 28(5): 835-838. doi: 10.3969/j.issn.0258-7076.2004.05.006

含铽多晶Ni-Mn-Ga磁性记忆合金的大磁感生应变

赵增祺 ^1, , 吴双霞 ^2, , 王方恕 ^3, , 王强 ^4, , 江丽萍 ^5, , 王新林 ^6,

1.包头稀土研究院,内蒙,古包头,014010

2.包头稀土研究院,内蒙,古包头,014010

3.包头稀土研究院,内蒙,古包头,014010

4.包头稀土研究院,内蒙,古包头,014010

5.包头稀土研究院,内蒙,古包头,014010

6.钢铁研究总院功能材料研究所,北京,100081

基金项目: 内蒙古自然科学基金(200308020214) 国家高技术研究发展计划(863计划)(2001AA327022)

关键词：金属材料 , NI-Mn-Ga合金 , 磁感生应变 , 稀土

Large Magnetic-Field-Induced Strains in Tb-Bearing Polycrystalline Ni-Mn-Ga

研究了含稀土Tb的多晶Ni50Mn29Ga21磁性形状记忆合金的磁感生应变效应.在一定的应力状态下,可获得-1.1%的大磁感生应变.稀土在明显地细化晶粒和提高材料力学性能的同时,不影响马氏体孪晶界面的运动,反而使应力作用下的磁感生应变效应进一步提高,使材料更具有实用性.

参考文献

[1]	Ullakko K;Huang J K;Kantner C et al.Large magnetic-fieldinduced strains in Ni2MnGa single crystals[J].Applied Physics Letters,1996,69:1966.
[2]	Tickle R.;James R.D. .Ferromagnetic shape memory in the NiMnGa system[J].IEEE Transactions on Magnetics,1999(5):4301-4310.
[3]	Wu GH;Yu C H;Meng L Q et al.Giant magnetic-field-induced strains in Heusler alloy NiMnGa with modified composition[J].Applied Physics Letters,1999,75:2990.
[4]	Yu CH.;Chen JL.;Wu GH.;Yang FM.;Tang N.;Qi SR.;Zhan WS. Wang Z.;Zheng YF.;Zhao LC.;Wang WH. .Magnetic-field-induced strains and magnetic properties of Heusler alloy Ni52Mn23Ga25[J].Journal of Applied Physics,2000(9 Pt.3):6292-6294.
[5]	Murray S J;Marioni M;Allen S M et al.6% magnetic-fieldinduced strain by twin-boundary motion in ferromagnetic Ni-MnGa[J].Applied Physics Letters,2000,77:886.
[6]	LIANG Ting,XU Hui-Bin,JIANG Cheng-Bao,GONG Sheng-kai.Preparation and Properties of the Ni2MnGa Magnetic Shape Memory Alloy[J].中国物理快报(英文版),2000(04):296-297.
[7]	ULLAKKOK;HuangJK;KokorinVV et al.Magnetically controlled shape memory effect in Ni2MnGa intermetallics[J].Scripta Materialia,1997,36:1133.
[8]	Ezera Y;Sozinov A;Kimmel G .Magnetic shape memory (MSM) effect in textured polycrystalline Ni2MnGa[A].Newport Beach,California,1999,3675:244.
[9]	Ullakko K;Ezer Y;Sozinov A et al.Magnetic-field-induced strains in polycrystalline Ni-Mn-Ga at room temperature[J].Scripta Materialia,2001,44:475.
[10]	O'Handley RC.;Marioni M.;Nembach H.;Allen SM.;Murray SJ. .Phenomenology of giant magnetic-field-induced strain in ferromagnetic shape-memory materials (invited)[J].Journal of Applied Physics,2000(9 Pt.2):4712-4717.
[11]	Likhacher A A;Ullakko K .Quantitative model of large magnetostrain effect in ferromagnetic shape memory alloys[J].the European Physical Journal B,2000,14:263.

上一张下一张

计量

下载量()
访问量()

作者相关

文章评分

您的评分：
1

0%
2

0%
3

0%
4

0%
5

0%

材料期刊网

含铽多晶Ni-Mn-Ga磁性记忆合金的大磁感生应变

Large Magnetic-Field-Induced Strains in Tb-Bearing Polycrystalline Ni-Mn-Ga

参考文献