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Finite Element analysis of aluminum tube hydroforming based on non-quadratic yield function

Author

Listed:
  • Farhang Pourboghrat
  • Yabo Guan
  • Frederic Barlat

Abstract

Although very accurate in representing the material anisotropy, finite element analysis based on direct use of a polycrystal model is CPU-intensive (Guan et al., 2006a). In the present study, this Taylor-type polycrystalline model was firstly used to predict the anisotropy coefficients of Yld96 yield function. Then this phenomenological anisotropic yield function was implemented into ABAQUS/Standard finite element code, using UMAT, for the hydroforming simulation of a 6061-T4 extruded aluminum tube. It was shown that compared with von Mises (1913) and Hill's (1948) yield function, the Yld96 material model's predictions are in better agreement with experimental data.

Suggested Citation

  • Farhang Pourboghrat & Yabo Guan & Frederic Barlat, 2008. "Finite Element analysis of aluminum tube hydroforming based on non-quadratic yield function," International Journal of Manufacturing Technology and Management, Inderscience Enterprises Ltd, vol. 14(1/2), pages 84-99.
    • Handle: RePEc:ids:ijmtma:v:14:y:2008:i:1/2:p:84-99
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