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以Tb Dy Fe合金系为主 ,对稀土超磁致伸缩材料的基本性能作了简要的介绍 ,并与其他磁、电致伸缩材料进行了对比。重点介绍了影响该系合金性能的主要因素和该类合金的制备方法 ,并叙述了超磁致伸缩材料研究的最新进展及进一步研究的方向。
Based on Tb Dy Fe alloy system, the basic properties of rare earth giant magnetostrictive materials are briefly introduced and compared with other magnetic and electrostrictive materials. The main factors influencing the properties of the alloys and the preparation methods of the alloys are introduced emphatically, and the latest research progress and further research direction of the giant magnetostrictive materials are described.