| 树脂基稀土-铁系超磁致伸缩复合材料的制备与压应力效应研究 |
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| 引用本文： | 江民红,顾正飞,成钢. 树脂基稀土-铁系超磁致伸缩复合材料的制备与压应力效应研究[J]. 中国稀土学报, 2005, 23(6): 727-731 |
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| 作者姓名： | 江民红 顾正飞 成钢 |
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| 作者单位： | 桂林电子工业学院材料科学与工程研究中心,广西,桂林,541004 |
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| 基金项目： | 国家自然科学基金资助项目（50261002）;桂科基（0575095）资助项目 |
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| 摘 要： | 采用粉末粘结-磁场成型法制备了树脂基稀土-铁系超磁致伸缩复合材料(Giant magnetostrictive particle composite,GMPC),并对样品在不同压应力下的磁致伸缩系数进行了测量,当样品中的TeDyFe合金颗粒尺寸为0~200μm、质量分数为90%时,其磁致伸缩系数于外加磁场达到266 kA.m-1时即已趋近饱和,饱和磁致伸缩系数达623×10-6;当施加在样品纵向方向上的预压应力为5 MPa时,此时样品的饱和磁致伸缩系数最高,为662×10-6,比未加预压应力时样品的饱和磁致伸缩系数高39×10-6,表明所制得的实验样品具有一定的压应力效应,并且压应力效应在较低压力下起积极作用,在较大压力下则产生消极作用。
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| 关 键 词： | 磁致伸缩 树脂基 复合材料 压应力效应 GMPC 稀土 |
| 文章编号： | 1000-4343（2005）06-0727-05 |
| 收稿时间： | 2004-12-10 |
| 修稿时间： | 2004-12-102005-03-03 |
Preparation and Compressive Stress Effect of Polymer Matrix RE-Fe Giant Magnetostrictive Composite |
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| Jiang Minhong,Gu Zhengfei,Cheng Gang. Preparation and Compressive Stress Effect of Polymer Matrix RE-Fe Giant Magnetostrictive Composite[J]. Journal of the Chinese Society of Rare Earths, 2005, 23(6): 727-731 |
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| Authors: | Jiang Minhong Gu Zhengfei Cheng Gang |
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| Affiliation: | Jiang Minhong~*,Gu Zhengfei,Cheng Gang |
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| Abstract: | Polymer matrix RE-Fe giant magnetostrictive composite(GMPC) was prepared using bonding and magnetic field forming technique,and magnetostriction of samples was measured for different compressive stress.The experimental results show that there is certain compressive effect in GMPC.And the influence of compressive stress on magnetostriction of sample was investigated.It offers essential reference for application and device design of GMPC. |
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| Keywords: | magnetostriction polymer matrix composites GMPC compressive stress effect rare earths |
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