Parameters Optimization of Fan-Shaped AZ31 Magnesium Alloy in Extrusion Process

Yan Dong Yu; Cai Xia Li; Hai Xia  Xi

doi:10.4028/www.scientific.net/AMR.765-767.3200

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 765-767Parameters Optimization of Fan-Shaped AZ31...

Parameters Optimization of Fan-Shaped AZ31 Magnesium Alloy in Extrusion Process

Abstract:

It was simulated with rigid viscoplastic finite element theory for fan-shaped profile extrusion process of AZ31 magnesium alloy, and analyzed the distortion mesh of the various stages of the extrusion process and obtained the speed field, stress field and strain field in inner workpiece during the deformation course. Appiying to orthogonal experimental method, we carried out nine simulations with the different extrusion ratio, extrusion temperature and extrusion speed. The above three main factors impacted the organization of the extrusion products, designed into three levels respectively. It was used the mean-square deviation of effective stress at the die orifice during the extrusion forming to determine the best technical parameters. With the best technical parameters and normal technical parameters obtained above, we had a extrusion test and observed the microstructure of extrusion products.

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Periodical:

Advanced Materials Research (Volumes 765-767)

Pages:

3200-3203

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.765-767.3200

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Online since:

September 2013

Authors:

Yan Dong Yu, Cai Xia Li, Hai Xia Xi

Keywords:

AZ31 Magnesium Alloy, Extrusion, Fan-Shaped Profile, Numerical Simulation

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