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Forming Laws Analysis of Superplastic Bulging Process for AZ31 Magnesium Heart-shaped Part Based on Numerical Simulation

Guojun Wang

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Abstract

Using the finite element analysis software MSC.MARC,the numerical simulation of constant strain rate superplastic bulging under different temperature and strain rate of AZ31 magnesium alloy heart-shaped part was analyzed based on 20 groups of simulation parameters.Meanwhile the thickness distributions of the bulging parts under different strain rate and same temperature,different temperature and same strain rate were analyzed,the influence laws of temperature and strain rate on the bulging parts were gained,and the potential risky points in the bulging process were predicted too.The results show that the peak of minimum wall thickness in the bulging parts was obtained when the temperature and strain rate are 340 ℃,5×10-3s-1 respectively.

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What this paper is about

Using the finite element analysis software MSC.MARC,the numerical simulation of constant strain rate superplastic bulging under different temperature and strain rate of AZ31 magnesium alloy heart-shaped part was analyzed based on 20 groups of simulation parameters.Meanwhile the thickness distributions of the bulging parts under different strain rate and same temperature,different temperature and same strain rate were analyzed,the influence laws of temperature and strain rate on the bulging parts were gained,and the potential risky points in the bulging process were predicted too.The results show that the peak of minimum wall thickness in the bulging parts was obtained when the temperature and strain rate are 340 ℃,5×10-3s-1 respectively.

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Available abstract

Using the finite element analysis software MSC.MARC,the numerical simulation of constant strain rate superplastic bulging under different temperature and strain rate of AZ31 magnesium alloy heart-shaped part was analyzed based on 20 groups of simulation parameters.Meanwhile the thickness distributions of the bulging parts under different strain rate and same temperature,different temperature and same strain rate were analyzed,the influence laws of temperature and strain rate on the bulging parts were gained,and the potential risky points in the bulging process were predicted too.The results show that the peak of minimum wall thickness in the bulging parts was obtained when the temperature and strain rate are 340 ℃,5×10-3s-1 respectively.

Key concepts: Superplasticity, Strain rate, Magnesium alloy, Materials science, Metallurgy, Finite element method, Computer simulation, Magnesium

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Forming Laws Analysis of Superplastic Bulging Process for AZ31 Magnesium Heart-shaped Part Based on Numerical Simulation — Research Paper | ScholarLens