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- W4387260795 abstract "The development of composite materials has meant, over the last few decades, a challenge for research in relation to the search for new ways of manufacturing. Currently, a wide variety of materials and processes have a high degree of development and industrial applications, but the potential for improvement in this area promotes the search for new systems that allow obtaining products with better mechanical characteristics and better manufacturability. Within this framework of the development of processes and applications, the following combination of manufacturing technologies is proposed: thermoforming and overmolding of carbon fiber reinforced thermoplastics with continuous and short fibers respectively. The aim of this work is to provide a hybrid technology to manufacture sandwich panels whose stiffening core geometry can be highly optimized based on the load requirements considered in the design of the product of interest. The proposed process consists of the prior shaping by thermoforming process of a continuous fiber-reinforced thermoplastic laminate on one of the surfaces of the manufacturing mold that will later be used for injection of the core structure with a counter-mold adapted for this purpose. The injection of the short fiber reinforced thermoplastic will be carried out in such a way that one of the surfaces of the resulting cavity is directly in contact with the previously formed laminate, giving rise to an overmolding. After this operation, a closing laminate will be formed that will give the panel the desired resistance. A detailed analysis of the different stages of this process is necessary, especially with regard to the processing parameters (e.g. injection temperature, pressure, polymer velocity, and interface temperature), orientation of the fiber resulting from the injection process, the adhesion of the polymer between stages, and the geometric limitations of considered sub-processes. The analysis is performed using a finite element method (FEM) software and analytical approaches." @default.
- W4387260795 created "2023-10-03" @default.
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- W4387260795 date "2023-10-02" @default.
- W4387260795 modified "2023-10-03" @default.
- W4387260795 title "CF Reinforced Thermoplastic Hybrid Process Proposal for the Optimization of Sandwich Panels Stiffness and Processability" @default.
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- W4387260795 doi "https://doi.org/10.4028/p-0jchrz" @default.
- W4387260795 hasPublicationYear "2023" @default.
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