Development of Tb-Dy-Fe Detection Transducer

3rd International Symposium on Resource Exploration and Environmental Science

生态环境科学

Sun, Wen^1 ; Sun, Jie^1 ; Xu, Kehua^1

Jiangsu Fasten Material Analysis and Testing Co., Ltd, Jiangsu, China^1

关键词: Alternating magnetic field;    Axial direction;    Circuit systems;    Fast response;    Industrial detection;    Magnetostrictive alloys;    Simple structures;    Ultrasonic detection;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/300/2/022001/pdf
DOI  :  10.1088/1755-1315/300/2/022001

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

The erbium-dysprosium-iron magnetostrictive alloy is used as the acoustic generator of ultrasonic detection transducer. According to the characteristics of the magnetostrictive alloy, the alternating magnetic field is generated by the altering current of the coil around the magnetostrictive rod the circuit system. As the magnetic field changes, the magnetostrictive rod will produce stretching deformation along the axial direction, which drive the radiation plate vibrate and generate ultrasonic wave. The TbDy-Fe detection transducer has the advantages of simple structure, fast response and large output power so that can be used in various field of industrial detection.