Transactions of Materials and Heat Treatment

Title：Finite element modeling and optimization analysis on power spinning of the thin-wall cylinder

Authors： Miao Peizhuang Zhu Xiaobing Hu Chengliang Sun Haiquan Xiao Xiaoqing Zhao Zhen

Unit： Shanghai Jiao Tong University Shanghai Xin Li Institute of Power Equipment

KeyWords： thin-wall cylinder power spinning FE modeling MSC.MARC software

ClassificationCode：TG386

year,vol(issue):pagenumber：2014,39(9):137-142

Abstract：

For the double annealed 30Cr3SiNiMoV of the thin-wall cylinder, the power spinning FE modeling technology dealing with the elastic-plastic constitutive relationship, the type selection and division of elements, and the establishment and optimization of cylinder geometry was introduced by MSC.MARC software. The effect of two kinds of constitutive models (Voce model and Ghosh model), two kinds of element mesh types (Tetrahedral mesh and hexahedral mesh) and three kinds of geometries models of original sample (1/12 untransition model, 1/12 transition model and whole transition model) on the computational accuracy and efficiency of FE model during the process of power spinning for the thin-wall cylinder were analyzed and compared. The results show that it is more suitable to apply the Ghosh flow stress model to the double annealed 30Cr3SiNiMoV; tetrahedral mesh and 1/12 geometric model are more suitable for simulation spinning process of larger thinning rate with its high computational efficiency and accuracy within the acceptable range; 1/12 transition model is fit for simulation spinning process of the thin-wall cylinder too. Finally, the FE model is validated by the experiments.

Funds：

苗培壮(1989-)，男，硕士研究生

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