کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
786580 1465683 2008 13 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
Inflation and burst of aluminum tubes. Part II: An advanced yield function including deformation-induced anisotropy
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موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی مکانیک
پیش نمایش صفحه اول مقاله
Inflation and burst of aluminum tubes. Part II: An advanced yield function including deformation-induced anisotropy
چکیده انگلیسی

In a recent study [Korkolis, Y.P., Kyriakides, S., 2008. Inflation and burst of anisotropic aluminum tubes for hydroforming applications. Int’l. J. Plasticity 24, 509–543], the formability of aluminum tubes was investigated using a combination of experimental and numerical approaches. The tubes were loaded to failure under combined internal pressure and axial load along radial paths in the engineering stress space. The experiments were then simulated using appropriate FE models and two established anisotropic yield functions. It was found that for some loading paths the computed deformations did not agree with the experimental ones, whereas rupture was generally overpredicted. In the current study the problem is tackled using a more advanced yield function [Barlat, F., Brem, J.C., Yoon, J.W., Chung, K., Dick, R.E., Lege, D.J., Pourboghrat, F., Choi, S.-H., Chu, E., 2003. Plane stress function for aluminum alloy sheets – part I: theory. Int’l. J. Plasticity 19, 1297–1319]. Three different calibration schemes of this function are employed, in two of which the experimentally observed deformation-induced anisotropy is taken into account. It is demonstrated that both deformation and failure can ultimately be predicted successfully, albeit arduously, using a hybrid procedure detailed herein.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Plasticity - Volume 24, Issue 9, September 2008, Pages 1625–1637
نویسندگان
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