Simulation and optimization of parameters for rotary extrusion of magnesium alloy barrel with inner ring rib based on response surface method

Zichao Guo; Yuxin Xiao; Boxiang Yun

doi:10.1117/12.3015624

6 February 2024 Simulation and optimization of parameters for rotary extrusion of magnesium alloy barrel with inner ring rib based on response surface method

Zichao Guo, Yuxin Xiao, Boxiang Yun

Author Affiliations +

Proceedings Volume 12979, Ninth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2023); 129791F (2024) https://doi.org/10.1117/12.3015624
Event: 9th International Conference on Energy Materials and Electrical Engineering (ICEMEE 2023), 2023, Guilin, China

Abstract

As an important lightweight and high-strength structural component, magnesium alloy barrel with inner ring rib is mostly used as key components in aerospace. Aiming at the key problems of insufficient radial height and low strength in the existing method of forming magnesium alloy barrel with inner ring rib, a new forming process of rotational extrusion forming of inner ring rib is innovatively proposed. The response surface based on the Finite Element Method (FEM) simulation of the Central Composite Experiment Design is established. A new split convex die with deep inner slot and double working strips, together with a rotating concave die that drives the die rotation, was adopted for the die. After multi-objective optimization of the structural parameters of the split die, the optimal combination of parameters is obtained. The results show that the optimal combination of process parameters is 110° for the metal gathering slot opening angle, 8 mm for the embedding angle of the working strip, 36 mm for the transition rounding of the metal gathering slot and the inner ring rib filling slot, and 26 mm for the stagnation zone angle. Finally, the optimal parameter combination is applied to experimental trial production to verify the feasibility of the new process.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Zichao Guo, Yuxin Xiao, and Boxiang Yun "Simulation and optimization of parameters for rotary extrusion of magnesium alloy barrel with inner ring rib based on response surface method", Proc. SPIE 12979, Ninth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2023), 129791F (6 February 2024); https://doi.org/10.1117/12.3015624

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KEYWORDS

Metals

Extrusion

Deformation

3D modeling

Design and modelling

Plastics

Alloys

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