Research on piercing of aluminum sheet assisted with magnetic medium

  • Zhen Yu Liu
  • Feng LiEmail author
  • Wen Yong Shi
  • Xue Wen Li
  • Wen Bin Fang


At present, flexible die medium represented by fluid is mainly used in tube hydropiercing, but it is relatively rare in sheet forming field because of the high requirement of sealing. For this reason, magnetorheological fluid, one of the representatives of intelligent materials, is used as a force transfer medium to provide backpressure for the piercing process of sheet for the first time in this paper, so as to reduce the collapse and improve the quality of fracture surface. The results show that with the increase of internal pressure, the collapse of the area near the cutting edge of punch decreases, the length of burnish zone increases, the aperture is closer to the nominal diameter, and the quality of the hole is significantly improved. The theoretical mechanics model of a single straight chain is established through theoretical analysis, and the magnitude and loading mode of the force exerted on the sheet by magnetic medium are deduced. Through the balanced relationship between punching force and backpressure in the deformed area of sheet, the key parameters affecting the collapse of piercing of sheet are obtained, which has important guiding significance for improving the quality of sheet metal piercing products with magnetic medium.


Magnetic medium Aluminum sheet Piercing Collapse 


Funding information

This paper was supported by the Natural Science Foundation of Heilongjiang Province (LH2019E056) and the Fundamental Research Foundation for Universities of Heilongjiang Province (LGYC2018JQ011).

Compliance with ethical standards


This article is completed under the authors’ independent research, and without the phenomenon that quotes largely or plagiarizes other articles and so on. Therefore, the authors will be correspondingly responsible for this study.


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Copyright information

© Springer-Verlag London Ltd., part of Springer Nature 2019

Authors and Affiliations

  • Zhen Yu Liu
    • 1
  • Feng Li
    • 1
    • 2
    Email author
  • Wen Yong Shi
    • 1
  • Xue Wen Li
    • 1
  • Wen Bin Fang
    • 1
  1. 1.School of Materials Science and EngineeringHarbin University of Science and TechnologyHarbinPeople’s Republic of China
  2. 2.Key Laboratory of Advanced Manufacturing and Intelligent Technology, Ministry of EducationHarbin University of Science and TechnologyHarbinP R China

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