6xxx based alloy auto body sheet will be used widely in the future, but, in the recent, one of the difficulty in practice is its poor formability. In this paper properties parameters of 6061 aluminum alloy sheet are investigated by means of examination; By using machine performance parameters of 6061 aluminum alloy, finite element software eta/DYNAFORM of Sheet Forming make the numerical simulation of auto deck lid outer panel. Stress, plastic strain, thick variety are analyzed; and the wrinkling and cracking prone areas identified. Therefore, the effective reference can be provided for design of forming process of 6xxx Based Alloy auto panel.
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