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Open Access Flap Structural Composites VARI Fluid Process Molding Simulation Technology and Experiments Validation

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  In the process of composites fluid molding, the filling time and pressure of resin can be forecasted with using computer-aided simulation software, which can provide reference design for the real molding process of resin flow. The simulation of the resin flow had been carried out for flap structural composite by using PAM-RTM software. According to the Darcy's law, the formula of permeability was deduced when the resin flow along reinforce fiber. The permeability of carbon fiber and suture fiber was tested and revised respectively. The simulation of the resin flow was carried out by using several runner means. The final reasonable injection port and runner were chosen according to simulation results. The chosen means were verified by the process experims, also the structural component was tested by using ultrasonic nondestructive testing. The results show that the theoretical filling time is almost consistent with the filling time measured by the experiments. It is not found that the internal defect is existed in structural components. The resin filling is enough, to prove that the simulation is valid.
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Keywords: VARI; flap; infusion simulation; permeability

Document Type: Research Article

Affiliations: 1: Beijing Aeronautical Science and Echnology Research Institute, Beijing 102200, China 2: AVIC Composite Co., Ltd, Beijing 101300, China 3: Beihang University, Beijing 100191, China

Publication date: June 15, 2015

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  • Journal of Aeronautical Materials, founded in 1981, is sponsored by Chinese Society of Aeronautics and Astronautics, and edited and published by editiorial board of Journal of Aeronautical Materials,AVIC Beijing Institute of Aeronautical Material(BIAM).It has been indexed in Scopus (Holland), INSPEC (U.K.), AJ (Russia), CA (US) and UPD (US). Journal of Aeronutical Materials is devoted to reporting new and original experimental and theoretical basic research of aeronautical materials, such as composite design,technology,testing and charaacterizing, and so on.
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