Vol.28 No.6 韩志勇等：FesG1合金热处理过程中的磁致伸缩性能和结构分析 ·541。 [4 Kellogg R A.Flatau A B.Clark A E.et al.Texture and grain 3结论 morphology dependencies of saturation magnetostriction in 热处理对取向多晶Fe83G7合金的磁致伸缩 mlled polycrystalline FesGa.J Appl Phys.2003.93(10): 8495 性能有明显的影响.合金样品在1100℃保温时 [5 Clark A E.Effect of quencling on the magnetostriction of 间1h,炉冷至730℃保温3h,水中淬火处理后，合 Fei-xGa (Q 13<x<0.21).IEEE Trans Magn,2001,37 金的饱和磁致伸缩应变达到320×106.中子衍 (4):2678 射和差热分析表明，冷却速度的不同，导致合金在 [6 Clark A E.Hat haw ay K B WurFogle M.et al.Extraord- 冷却过程中，内部出现不同的相结构，淬火处理 nary magnetoelasticity and lattice softening in bec Fe-Ga ah loys J Appl Phys.2003.93(10):8621 后，能够抑制合金中DO3相的形成，使FegGan合 [7]Cullen J R.M agnetoehsticity of Fe-Ga and Fe-Al alloys.J 金样品在室温保持为bcc结构，从而使Fes3Ga7 Magn Mater,2001,227:948 合金的磁致伸缩应变增大. [8 Gurusw amy S.Srisukhumbowomchai N.Chrk A E.ct al. Strong.ductil,and low-field-magnetostrictive aloys based on 参考文献 Fe-Ga.Scripta Mater,2000.43:239 [I]Srisukhumbowornchai N.Large magnetostriction in direction- [9 Massalski T B.Binary Alloy Phase Diagrams.2nd ed.Ohio: ally solidified FeGa and FeGaAl alloys.J Appl Phys 2001.90 American Society for Metals,1990:1702 (11):5680 [10]Kaw amiya N.Magnetic properties and Mo ssbauer investiga [2]Kellogg R A.Temperature and stress dependencies of the tions of Fe-Ga alloys et al.J Phys Soc Jpn.1972,33(5): magnetic and magnetostrictive properties of FeasiGa19.J 1318 Appl Phys,.2002,91(10):7821 11]Lograsso T A.Ross A R.Schlagel D T,et al.Structu ral [3]Clark A E,Wur Fogle M,Restorff J B,et al.Magnetostric- transformations in quenched Fe-Ga aloys.J Alloys Compd, tive properties of Gafenol albys under compressive stress. 2003.350.95 Mater Trans,2002,43(5):881 Magnetostrictive properties and structure of Fes3Gan7 during heat treatment HAN Zhiyong,MA Fang,ZHANG Maocai?,ZHOU Shouzeng? 1)CivilAviation University of China.Tianjin 300300.China 2)State Key Laboratory for New Advanced Mctal and Materials,Uriversity of Science and Technology Beijng.Beijing 100083.China ABSTRACT The effect of heat treatment on the magnetostrictive properties of a (110>-oriented polycry s- tal Fes3Ga7 alloy was investigated.It w as found that the saturation magnetostrictive strain of the quenched FGanalloy exceeded 300X10under a compressive stress of 25MPa.The reaults of Neutron diffraction and differential themmal analy sis confirmed that slow cooling leads to the change of phase structure which re- sults in the change of magnetostrictive strain.The increase in magnetostrictive strain of the Fe83Gan7 alloy treated by quenching is explained as that the long-range DO3 is suppressed. KEY WORDS Fe-Ga alloy;magnetostriction;neutron diffraction;differential thermal analysis3 结论 热处理对取向多晶 Fe83Ga17合金的磁致伸缩 性能有明显的影响 .合金样品在 1 100 ℃保温时 间1 h, 炉冷至 730 ℃保温 3 h, 水中淬火处理后, 合 金的饱和磁致伸缩应变达到 320 ×10 -6 .中子衍 射和差热分析表明, 冷却速度的不同, 导致合金在 冷却过程中, 内部出现不同的相结构, 淬火处理 后, 能够抑制合金中 DO3 相的形成, 使 Fe83Ga17合 金样品在室温保持为 bcc 结构, 从而使 Fe83Ga17 合金的磁致伸缩应变增大 . 参 考 文 献 [ 1] S risukhumbowornchai N .Large magnetostriction in direction￾ally solidified FeGa and FeGaAl alloys.J Appl Phys, 2001, 90 ( 11) :5680 [ 2] Kellogg R A .T emperature and stress dependencies of the magnetic and magnetostrictive properties of Fe0.81 Ga0.19 .J Appl Phys, 2002, 91( 10) :7821 [ 3] Clark A E, Wun-Fogle M , Restorff J B, et al.Magnetostric￾tive p roperties of Galf enol alloys under compressive stress. Mater Trans, 2002, 43( 5) :881 [ 4] Kellogg R A, Flat au A B, Clark A E, et al.Texture and grain morphology dependencies of saturation magnet ostriction in rolled polycrystalline Fe83Ga17 .J Appl Phys, 2003, 93( 10 ) : 8495 [ 5] Clark A E .Effect of quenching on the magnetostriction of Fe1 -xGa x ( 0.13 <x <0.21) .IEEE Trans Magn, 2001, 37 ( 4) :2678 [ 6] Clark A E, Hathaw ay K B, Wun-Fogle M, et al.Extraordi￾nary magnetoelasticit y and lattice softening in bcc Fe-Ga al￾loys.J Appl Phys, 2003, 93( 10) :8621 [ 7] Cullen J R.M agnet oelasticity of Fe-Ga and Fe-Al alloys.J Magn Mater, 2001, 227:948 [ 8] Gurusw amy S, Srisukhumbow ornchai N, C lark A E, et al. S trong, ductile, and low-field-magnet ostrictive alloys based on Fe-Ga.Scripta Mater, 2000, 43:239 [ 9] Massalski T B .Binary Alloy Phase Diagrams.2nd ed.Ohio : American Societ y f or Met als, 1990:1702 [ 10] Kaw amiya N .Magneti c properties and Mö ssbauer investiga￾tions of Fe-Ga alloys et al.J Phys Soc Jpn, 1972, 33 ( 5 ) : 1318 [ 11] Lograsso T A, Ross A R, Schlagel D T, et al.Structu ral transf ormations in quenched Fe-Ga alloys.J Alloys Compd, 2003, 350:95 Magnetostrictive properties and structure of Fe83Ga17 during heat treatment HAN Zhiyong 1) , MA Fang 1) , ZHANG Maocai 2) , ZHOU Shouzeng 2) 1) Civil Aviation University of China, Tianjin 300300, China 2) St at e Key Laborat ory for New Advanced Met al and Mat erials, Uni versit y of Science and Technology Beijing, Beijing 100083, China ABSTRACT The effect of heat treatment on the magnetostrictive properties of a 〈110〉-oriented polycry s￾tal Fe83Ga17 alloy w asinvestigated .It w as found that the saturation magnetostrictive strain of the quenched Fe83Ga17 alloy exceeded 300 ×10 -6 under a compressive stress of 25MPa.The results of Neutron diffraction and differential thermal analy sis confirmed that slow cooling leads to the change of phase structure which re￾sults in the change of magnetostrictive strain .The increase in magnetostrictive strain of the Fe83Ga17 alloy treated by quenching is explained as that the long-range DO3 is suppressed . KEY WORDS Fe-Ga alloy ;magnetostriction ;neutron diffraction ;differential thermal analysis Vol.28 No.6 韩志勇等:Fe83Ga17合金热处理过程中的磁致伸缩性能和结构分析 · 541 ·