Simulation and optimization of infusion process for perforated foam sandwich composite

SHI Herong; WANG Jihui; NI Aiqing; FENG Yuwei; LI Xiang

doi:10.13801/j.cnki.fhclxb.20220323.001

Volume 40 Issue 2

Feb. 2023

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SHI Herong, WANG Jihui, NI Aiqing, FENG Yuwei, LI Xiang. Simulation and optimization of infusion process for perforated foam sandwich composite[J]. Acta Materiae Compositae Sinica, 2023, 40(2): 782-793. doi: 10.13801/j.cnki.fhclxb.20220323.001

Citation:

SHI Herong, WANG Jihui, NI Aiqing, FENG Yuwei, LI Xiang. Simulation and optimization of infusion process for perforated foam sandwich composite[J]. Acta Materiae Compositae Sinica, 2023, 40(2): 782-793. doi: 10.13801/j.cnki.fhclxb.20220323.001

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Simulation and optimization of infusion process for perforated foam sandwich composite

doi: 10.13801/j.cnki.fhclxb.20220323.001

1.
School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China
2.
State Key Laboratory of Advanced Technology for Material Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
3.
Luoyang Ship Material Research Institute, Luoyang 471039, China

Received Date: 2022-01-29
Accepted Date: 2022-03-09
Rev Recd Date: 2022-02-24

Available Online: 2022-03-24

Publish Date: 2023-02-01

Abstract

Abstract

The numerical simulation of the vacuum assisted resin infusion (VARI) process of perforated sandwich composite was verified experimentally, and process optimization was presented thereafter. Firstly, the permeabilities of the fabric and holes of perforated core were obtained experimentally and numerically, respectively. Then, 3D simulation was carried out for the infusion process of the perforated sandwich composite structure and verified by real-scale infusion experiments. Finally, based on the simulation, the process was optimized by investigating the effects of injection position and type on the filling time and product porosity, and later a methodology was proposed to predict the filling time needed. The results show that the numerical simulation is in good agreement with the experiment. The flow patterns during the filling and the porosities of the perforated sandwich structures are in good match with experimental results. The filling time prediction method can be used for practical production instruction. The selection of proper parameters, such as injection position and type, can minimize molding time and product porosity.
- perforated sandwich structure,
- vacuum assisted resin infusion,
- numerical simulation,
- process optimization,
- porosity
Long Abstrsct
Innovation Points

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References(34)

References

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