粘结磁致伸缩材料是由Terfenol-D粉末与树脂粘结剂混合固化而成.TbDyFe粉末颗粒的大小,树脂的粘度系数,树脂的配比及磁场中的取向都对粘结磁致伸缩材料的磁致伸缩性能产生较大的影响.试验结果表明,TbDyFe粉末颗粒尺寸的大小对粘结磁致伸缩材料的磁致伸缩性能影响较大.制备较好性能的粘结磁致伸缩材料所需TbDyFe粉末颗粒尺寸应控制在＜280μm.同时,材料在压型过程中由于外加磁场而使磁畴取向,从而提高了磁致伸缩性能.
参考文献
| [1] | [OL].http://physics hull.Edu/magnetic' s group htm |
| [2] | Legvold S;Alstad J;Rhyne J .Giant Magnetostriction in Dysprosium and Holmium Single Crystals[J].PHYSICAL REVIEW LETTERS,1963,10:509. |
| [3] | Clark A E;Bozorth R;De Savage .Anomalous thermal Expansion and Magnetostriction of Single Crystals of Dysprosium[J].PHYSICS LETTERS B,1963,5:100. |
| [4] | Clark A E;Belson .Giant Room - Temperature Magnetostrictions in TbFe2 and DyFe2[J].Physical Review,1972,B5:3642. |
| [5] | Bi J;Anjanappa M .Investigation of Active Vibration Damping Using Magnetostrictive Mini actuators[J].Smart Structures and Intelligent Syst Orlando Fl V,1994,2190:171-180. |
| [6] | Roberts M;Mitrovic M;Carman G P.Nonlinear Behavior of Coupled Magnetostrictive Material System Analytical/Experimental[J].Smart Materials San Diego,1995:341-355. |
| [7] | Sandlund L;Fahlander M;Cedell T;Clark A E, Restorff J B Wun-Fogle M.Magnetostriction, elastic moduli, and coupling factors of composite Terfenol-D[J].Journal of Applied Physics,1994 |
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