{ "item_title" : "Development and Analysis of the Processing of Hybrid Textiles Into Endless-Fibre-Reinforced Thermoplastic Composites", "item_author" : [" Maximilian Koerdt "], "item_description" : "This thesis contributes to an acceleration of the manufacturing process of composite components from hybrid textiles, which contain reinforcement fibres and polymer matrix fibres from high-performance thermoplastics. Hybrid textiles distinguish in terms of drapeability compared to thermoplastic tapes. A comprehensive material characterisation of two polyetheretherketone polymers and different configurations of hybrid textiles deliver input parameters for a consolidation model. This model comprises the process steps of heating, impregnation and cooling, with a focus laying on the knowledge-based description of impregnation on meso-scale. Relevant process parameters are investigated on model scale to support the development of the Isoforming process, which is a new developed thermoforming process tailored for hybrid textiles. During the process, the steps of heating and cooling are accelerated remarkably compared to classic variothermal approaches. A subsequent sensitivity analysis validates the consolidation model. Beside the applied pressure and impregnation time, the textile configuration is a governing factor, which is analysed to recommend parameters for a successful consolidation process. Furthermore, a comparison between porosity and resulting mechanical parameters delivers information about the recommendable maximum values of void contents in laminates. Finally, a process analysis, which comprises online thickness assessment, laminate-embedded fibre-optic sensors and a transparent tooling, provides information about the feasibility of an online assessment of the state of impregnation.", "item_img_path" : "https://covers1.booksamillion.com/covers/bam/3/83/255/060/3832550607_b.jpg", "price_data" : { "retail_price" : "75.00", "online_price" : "75.00", "our_price" : "75.00", "club_price" : "75.00", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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