Aluminum Sheet Springback (Side-Wall-Curl) Study

Paper #:
  • 2017-01-0396

Published:
  • 2017-03-28
Abstract:
As we know, the lighting car is very important for automotive industry in recent years. There are lot of components which could be lighted weight in one vehicles. In modern automotive field Aluminum alloy widely has been used to formed into parts of vehicles, because it has very good ideal properties for the stamping process which need material both malleable and ductile. During vehicles manufacture process, lots of aluminum alloy has been stamped into parts of components. It is very important for engineer to know how to predict the fracture of aluminum alloy, in order to simulate stamping process in automotive field by FEM. This research presents strains distribution of A5182 aluminum during sample being impacted with punch heads under loading. DIC has been used technically to measure the whole history strain when sheet sample has been impacted, and the shape of sheet sample also has been tested in order to obtain the aluminum sheet springback(side-wall-curl). After test, the aluminum sheet springback will be provided and the whole history strain around the punch head also will be obtained, which will support to establish Finite Element Analysis (FEA) model for the aluminum sheet springback(side-wall-curl), so that aluminum A5182 material can be greatly used to light the components weights in the automotive industry.
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