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Preparation and study on the properties of bulk amorphous alloy Fe78Si9B13 by ultrasonic welding



  1. School of Mechanics Engineering, Nanchang University, Nanchang, Jiangxi 330031, China
  2. School of Mechanics & Materials Engineering, Jiujiang University, Jiujiang, Jiangxi 332005, China


The low temperature, low pressure and low energy consumption associated with ultrasonic welding make it suitable for solid state joining of multi-layer Fe78Si9B13 amorphous alloy foil. In this study, surface and volume effects created by ultrasonic welding process have been successfully utilized to prepare bulk amorphous alloys. The thermodynamic properties of materials and welding transient temperature distributions were analyzed using the welding joint structure and morphology, to determine the optimum parameters of ultrasonic welding: n=5;A=35μm; f=20 kHz; F=1.37×103N; t=220ms. Based on the material model and heat source model of amorphous alloy foil, an axisymmetric thermal - structural finite element model of multi-layer Fe78Si9B13 amorphous foil was developed for ultrasonic welding. The FEM model was prepared using a finite element analysis software ANSYS to simulate the ultrasonic welding process of multi-layer Fe78Si9B13 amorphous foil. The current study demonstrates, through experimental data, the effect of different welding times on the temperature field distribution of multi-layer foils during ultrasonic welding of multilayer alloy foils..


Ultrasonic welding, Bulk amorphous alloy, Thermal – structure finite element model.

Submitted at: May 22, 2015
Accepted at: Aug. 3, 2016


ZHENGQIANG ZHU, YANJUN WANG, YIFU ZHANG, Preparation and study on the properties of bulk amorphous alloy Fe78Si9B13 by ultrasonic welding, Journal of Optoelectronics and Advanced Materials Vol. 18, Iss. 7-8, pp. 723-733 (2016)