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    Magnetostrictive phased array transducer for transducing shear horizontal bulkwaves
    1.
    发明授权
    Magnetostrictive phased array transducer for transducing shear horizontal bulkwaves 有权
    用于转换剪切水平横波的磁致伸缩相控阵变换器

    公开(公告)号：US09074995B2

    公开(公告)日：2015-07-07

    申请号：US13672198

    申请日：2012-11-08

    Applicant: Korea Research Institute of Standards and Science

    Inventor： Seung Hyun Cho ,  Bong Young Ahn ,  Tae Hoon Heo

    IPC: G01N29/04 ,  H04R15/00 ,  G01N29/22 ,  G01N29/26 ,  G01N29/24 ,  B06B1/08

    CPC classification number: G01N29/262 ,  B06B1/085 ,  G01N29/2412 ,  G01N2291/0425 ,  G01N2291/106

    Abstract: A magnetostrictive phased array transducer for transducing shear horizontal bulkwaves including a plurality of magnetostrictive members each having a bottom surface of a plate-shaped structure made of a ferromagnetic material, which is mounted to be adhered closely to the surface of a mounting place; an insulator disposed on a side surface of each magnetostrictive member; a meander coil having a plurality of coil lines extended in the direction parallel with the bottom surface on each insulator, wherein adjacent coil lines are connected so that current flows in the opposite directions to each other, thereby generating a dynamic magnetic field with respect to each magneto strictive member; and a magnet mounted to generate a static magnetic field perpendicular to the dynamic magnetic field. When the current is supplied to the meander coil, a plurality of magnetostrictive members generate a plurality of shear horizontal bulkwaves while being deformed by the magnetostriction effect.

    Abstract translation: 一种用于转换剪切水平横波的磁致伸缩相控阵变换器，包括多个磁致伸缩构件，每个磁致伸缩构件具有由铁磁材料制成的板状结构的底表面，其被安装成紧密地粘附到安装位置的表面; 设置在每个磁致伸缩构件的侧表面上的绝缘体; 一个曲折线圈，具有在每个绝缘体上与底表面平行的方向上延伸的多个线圈线，其中相邻的线圈线被连接成使得电流在相反的方向彼此流动，从而相对于每个线圈产生动态磁场 磁致密构件; 以及安装成产生垂直于动态磁场的静磁场的磁体。 当电流被提供给曲折线圈时，多个磁致伸缩构件在被磁致伸缩效应变形的同时产生多个剪切水平横波。

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