Bonded Terfenol-D composites with low eddy current loss and high magnetostriction

作     者：TIAN Jianjun,ZUO Zhijun,PAN De’an,and ZHANG Shengen School of Materials Science and Engineering,University of Science and Technology Beijing,Beijing 100083,China TIAN Jianjun,ZUO Zhijun,PAN De’an,and ZHANG Shengen School of Materials Science and Engineering,University of Science and Technology Beijing,Beijing 100083,China

作者机构：School of Materials Science and Engineering University of Science and Technology Beijing Beijing China 

出 版 物：《Rare Metals》 (稀有金属（英文版）)

年 卷 期：2010年第29卷第6期

页      面：579-582页

核心收录：

学科分类：08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 080502[工学-材料学] 

基　　金：supported by the National Natural Science Foundation of China (No.51004011 and 50874010) the Specialized Research Fund for the Doctoral Program of China Higher Education (No.20090006120012) 

主　　题：composites Terfenol-D magnetostriction eddy current losses density 

摘      要：Bonded Terfenol-D composites,with high electrical resistivity and low eddy current loss,can be used in an alternating magnetic field with high ***,the nonmagnetic binder impairs the magnetostriction of the *** achieve high magnetostriction and low eddy current loss,the mixture of the alloy powder and binder was compressed at low pressure in an oriented magnetic *** this,the aligned samples were recompressed by cold isostatic pressing（CIP）.Besides,the effect of particle size on the magnetostriction of the bonded Terfenol-D composites was also *** results showed that the bonded Terfenol-D composites had excellent magnetostriction when the particle size was 50-80 μ*** oriented magnetic field and CIP could improve the magnetostriction of the bonded composites,which reaches 1020×*** bonded Terfenol-D composites had good compact structure and high density（7.24 g/cm3）.The magnetic loss of the bonded Terfenol-D composites was 192 mW/cm3 at a frequency of 100 kHz in a magnetic field of 960 A/m,which was about one third of that of casting Terfenol-D alloys.