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Showing 1 to 10 of 10 for “"Resin Film Infusion"”.
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Compaction and Cure of Resin Film Infusion Prepregs
… the cure and consolidation of prepregs used for resin film infusion. Resin kinetics, rheology, flow and fiber deformation are considered. Resin kinetics are simulated with an isothermal autocatalytic-1 type relation. The non-Newtonian viscosity of the Cytec™ 754 resin is represented with a gel …
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Verification of a Three-Dimensional Resin Film Infusion Process Simulation Model
… the verification of a three-dimensional resin transfer molding/resin film infusion (RTM/RFI) process simulation model. The model incorporates resin flow through an anisotropic carbon fiber preform, cure kinetics of the resin, and heat transfer within the preform/tool assembly. The …
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Analysis of Cyanate Ester Resins and Graphite Fabric for Use in Resin Film Infusion Processing
… was to characterize two cyanate ester resins and a eight harness satin (8HS) graphite fabric for use in resin film infusion (RFI) processing. Two cyanate ester resin systems were characterized to determine their cure-kinetics, and viscosities during cure. A 8HS graphite fabric was …
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Development and verification of a resin film infusion/resin transfer molding simulation model for fabrication of advanced textile composites
… computer model for the simulation of the resin transfer molding/resin film infusion processing of advanced composite materials. This computer simulation model is designed to provide aircraft structure and tool designers with a method of predicting the infiltration and curing behavior of a …
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Combined structural and manufacturing optimization of stiffened composite panels
… the manufacturing analysis, a one-dimensional resin film infusion model is developed to compute the infiltration time of the resin into a fabric preform of the panel. Results are presented showing the effects of structurally important design variables, such as cross-sectional geometry and …
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Effects of fiber architecture and through-the-thickness stitching on permeability and compaction of textile preforms
… in composite structures. Processes such as Resin Transfer Molding and Resin Film Infusion Molding that are used to manufacture composite structures, depend heavily on the responses of these reinforcements for their success. Fabric systems have undergone rapid changes over the years and have …
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An infiltration/cure model for manufacture of fabric composites by the resin infusion process
… of advanced textile composites by the resin film infusion process. The simulation model relates the applied temperature and pressure processing cycles, along with the experimentally measured compaction and permeability characteristics of the fabric preforms, to the temperature …
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Vacuum-Assisted Resin Transfer Molding (VARTM) Model Development, Verification, and Process Analysis
Vacuum-Assisted Resin Transfer Molding (VARTM) processes are becoming promising technologies in the manufacturing of primary composite structures in the aircraft industry as well as infrastructure. A great deal of work still needs to be done on efforts to reduce the costly trial-and-error methods …
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Processing of toughened cyanate ester matrix composites
… performance composite matrix applications. The resin investigated was a Bisphenol-A cyanate ester toughened with hydroxy functionalized phenolphthalein based amorphous poly(arylene ether sulfone). The thermoplastic modified toughened networks exhibited improvement in the fracture toughness over …
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Performance analysis of a reduced cost manufacturing process for composite aircraft secondary structure
… the noncrimp<br/>fabric (NCF) infiltrated using resin film infusion (RFI) and cured in a conventional oven.<br/>For cost and performance analysis a generic panel has been designed that is representative of<br/>secondary wing structure on commercial passenger aircraft. The cost was estimated by …