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Magnetostrictive properties of FeAl/polyester and FeAl/silicone composites

机译：FeAl /聚酯和FeAl /硅氧烷复合材料的磁致伸缩性能

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摘要

Ribbons of composition Fe_(81)Al_(19) obtained by the melt spinning method have been used to yield powder by mechanical milling. Using this method, a rapid nanocrystallization and a FeAl solid solution phase was obtained from the start of the process. The microstructural and magnetic properties as well as the XRD patterns of the powders were studied in function of the milling time. Grain refinement and an increase of the coercive field were the main transformations resulting from increasing the milling time. Two sets of magnetostrictive composites were produced from the 100 h-milled powder. In one of them polyester was used as matrix and in the other one silicone. In the case of the silicone composites cured in a magnetic field of 140 mT in the longitudinal direction a saturation magnetostriction as high as 45 ppm was obtained.
机译：通过熔融纺丝法获得的组成为Fe_（81）Al_（19）的条带已经用于通过机械研磨来产生粉末。使用该方法，从该过程开始就获得了快速的纳米晶化和FeAl固溶相。研究了粉末的微观结构，磁性和XRD图谱。晶粒细化和矫顽场的增加是铣削时间增加的主要转变。从100 h研磨的粉末中生产出两组磁致伸缩复合材料。其中一种使用聚酯作为基质，另一种使用硅树脂。在沿纵向在140mT的磁场中固化的有机硅复合材料的情况下，获得高达45ppm的饱和磁致伸缩。

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  • 来源
    《Materials Science and Engineering》 |2017年第1期|56-63|共8页
  • 作者

    G. Riesgo; J. Carrizo; L. Elbaile; R.D. Crespo; R. Sepulveda; J.A. Garcia;

  • 作者单位

    Dpto. de Ciencias y Tecnicas de la Navegacion, Universidad de Oviedo, Campus universitario de Gijon, 33203 Gijon, Spain;

    Dpto. de Fisica de la Universidad de Oviedo, c/ Calvo Sotelo s, 33007 Oviedo, Spain;

    Dpto. de Fisica de la Universidad de Oviedo, c/ Calvo Sotelo s, 33007 Oviedo, Spain;

    Dpto. de Fisica de la Universidad de Oviedo, c/ Calvo Sotelo s, 33007 Oviedo, Spain;

    Dpto, de Ingenieria Mecanica y de los Materiales, Universidad de Sevilla, Isla Cartuja, 41092 Sevilla, Spain;

    Dpto. de Fisica de la Universidad de Oviedo, c/ Calvo Sotelo s, 33007 Oviedo, Spain;

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  • 正文语种 eng
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  • 关键词

    Mechanical milling; Fe-Al alloy; Magnetostriction; Microstructure; Composites;

    机译：机械铣削;铁铝合金磁致伸缩微观结构复合材料;

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