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Simulation Analysis of Metal Flow during Extending Extrusion Semisolid AA2017 Alloy

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Abstract:

Extending extrusion process of semisolid AA2017 alloy was achieved. Metal flow during the process was analyzed by the finite element simulation. It was shown that alloy flow velocity decreases gradually from the center part to the sides of the mould, sometimes a transitional turbulence region appears in the middle. A smaller declining angle θ and without step d is suggested in the design mould. Alloy flow velocity at the center of the forming region decreases linearly with increases of the extending ratio s1/s0.

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Periodical:

Advanced Materials Research (Volumes 430-432)

Pages:

293-296

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.430-432.293

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Online since:

January 2012

Authors:

Ren Guo Guan, Zhan Yong Zhao, Chao Lian, Qiu Sheng Zhang, Chun Guang Dai, Chun Ming Liu

Keywords:

Extending Extrusion, Finite Element Model (FEM), Flow Velocit, Semi-Solid

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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