Journal of Shanghai Jiao Tong University

Journal of Shanghai Jiaotong University >

2021 , Vol. 55 >Issue 4: 394 - 402

DOI: https://doi.org/10.16183/j.cnki.jsjtu.2019.263

Simulation Study of Aluminum Alloy Ribbed Member Spinning with Ultrasonic Vibration

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  • Shanghai Key Laboratory of Digital Manufacturing for Complex Thin-Walled Structure,Shanghai Jiao Tong University, Shanghai 200240, China

Received date: 2019-09-16

  Online published: 2021-04-30

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Abstract

Flow spinning process is beneficial to realizing the integral forming of the ribbed members, but the height of the inner rib that can be formed is limited. Therefore, an ultrasonic assisted method was introduced into the flow spinning process to increase the height of the inner rib. Uniaxial tensile and compression tests with ultrasonic vibration were conducted to establish the hardening equation of the 2219-O aluminum alloy considering the acoustic softening effect. The friction reduction effect after ultrasonic loading was analyzed. A simulation model of aluminum alloy ribbed member spinning with ultrasonic vibration was established using the Abaqus software. The simulation results show that the ultrasonic vibration can reduce the deformation resistance of the material, improve the material flow of the ribs in different directions, guide the material flowing into the rib grooves, and thereby improve the filling height of the ribs. When the amplitude reaches 12μm, the rib height can be increased by 1/3.

Key words： ultrasonic vibration; ribbed members; acoustic softening effect; friction reduction effect; finite element simulation

Cite this article

LI Xiaokai, ZHAO Yixi, YU Zhongqi, ZHU Baohang, CUI Junhui . Simulation Study of Aluminum Alloy Ribbed Member Spinning with Ultrasonic Vibration[J]. Journal of Shanghai Jiaotong University, 2021 , 55(4) : 394 -402 . DOI: 10.16183/j.cnki.jsjtu.2019.263

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