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Izadpanah, S., Ghaderi, S. H., Gerdooei, M.. (1395). Prediction of earing in deep drawing of anisotropic aluminum alloy sheet using BBC2003 yield criterion. فناوری آموزش, 6(2), 47-55. doi: 10.22061/jcarme.2017.583
S. Izadpanah; S. H. Ghaderi; M. Gerdooei. "Prediction of earing in deep drawing of anisotropic aluminum alloy sheet using BBC2003 yield criterion". فناوری آموزش, 6, 2, 1395, 47-55. doi: 10.22061/jcarme.2017.583
Izadpanah, S., Ghaderi, S. H., Gerdooei, M.. (1395). 'Prediction of earing in deep drawing of anisotropic aluminum alloy sheet using BBC2003 yield criterion', فناوری آموزش, 6(2), pp. 47-55. doi: 10.22061/jcarme.2017.583
Izadpanah, S., Ghaderi, S. H., Gerdooei, M.. Prediction of earing in deep drawing of anisotropic aluminum alloy sheet using BBC2003 yield criterion. فناوری آموزش, 1395; 6(2): 47-55. doi: 10.22061/jcarme.2017.583

Prediction of earing in deep drawing of anisotropic aluminum alloy sheet using BBC2003 yield criterion

Journal of Computational & Applied Research in Mechanical Engineering (JCARME)
مقاله 6، دوره 6، شماره 2 - شماره پیاپی 12، فروردین 2017، صفحه 47-55    اصل مقاله (1.42 M)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22061/jcarme.2017.583
نویسندگان
S. Izadpanah؛ S. H. Ghaderi* ؛ M. Gerdooei
School of Mechanical Engineering, Shahrood University of Technology, Shahrood 3619995161, Iran
تاریخ دریافت: 22 مهر 1394،  تاریخ بازنگری: 09 اسفند 1394،  تاریخ پذیرش: 18 اسفند 1394 
چکیده
This paper investigates the earing phenomenon in deep drawing of AA3105 aluminum alloy, experimentally and numerically. Earing defect is mainly attributed to the plastic anisotropy of sheet metal. In order to control such defect, predicting the evolution of ears in sheet metal forming analyses becomes indispensable. In this regard, the present study implements the advanced yield criterion BBC2003. Based on this yield function and the associated flow rule of plasticity, the constitutive model is derived. Accordingly, a user material VUMAT subroutine is developed and adopted in the commercial finite element software ABAQUS/Explicit. Several plane stress loading problems are designed, through which, the accuracy of the developed subroutine is verified. In addition, cylindrical cups of AA3105 aluminum alloy are fabricated using a deep drawing die. The earing defect was clearly observed on the recovered parts. Using the experimentally obtained constants of BBC2003 yield criterion for this alloy in VUMAT, deep drawing of the cylindrical cups was simulated. The results demonstrate that the earing profile can successfully be predicted using BBC2003 yield function.
کلیدواژه‌ها
Plastic anisotropy؛ Earing؛ Sheet metal forming؛ Advanced yield criterion؛ VUMAT subroutine
مراجع
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[7] M. Vrh, M. Halilovič, and B. Štok. “Improved explicit integration in plasticity”, Int. J. Numer. Meth. Eng., Vol. 81, No. 7, pp. 910-938 (2010).

[8] M. Halilovič, M. Vrh, B. Štok, “NICEh: a higher-order explicit numerical scheme for integration of constitutive models in plasticity”, Eng. Comput., Vol 29, No. 1, pp. 55−70, (2013).

[9] K. Lange, Handbook of metal forming,  McGraw-Hill Book Company, pp. 20.16-20.19, (1985).

[10] S. Izadpanah-Najmabad, M. Gerdooei, S. H. Ghaderi, “Determination of BBC2003 yield criterion constants for anisotropic aluminum alloy sheets based on plane strain tensile test”, Modares Mech. Eng., Vol. 15 , No. 11, pp. 127-135, (2015).

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