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Showing 1 to 8 of 8 for “"Fiber-Preform"”.
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Modeling the oxidation, ablation, and mechanics of carbon fiber preform in thermal protection systems
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-10-20 without embargo terms
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A Data-Driven Approach to Improve Optical Fiber Manufacturing: Focus on Core Deposition
… investigation on characterization of optical fiber preform core manufacturing and the identification of underlying trends in measured production data. While walking through the different operations involved in the process, we explained the challenges associated with insuring refractive index …
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Fabrication of Random Hole Optical Fiber Preforms by Silica Sol-Gel Processing
Conventional fibers are comprised of a solid glass core and solid glass cladding often protected by a thin polymer sheath. The finely tuned difference in refractive indices, for step index-fibers, is achieved by doping the core with germanium or elements with similar effects. Holey fibers …
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Verification of a Three-Dimensional Resin Film Infusion Process Simulation Model
… resin flow through an anisotropic carbon fiber preform, cure kinetics of the resin, and heat transfer within the preform/tool assembly. The computer model can predict the flow front location, resin pressure distribution, and thermal profiles in the modeled part. The formulation for the …
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Mechanisms and Implementation of Thermo-Optical Annealing in Silica Fiber Sensors for Radiation-Induced Attenuation Mitigation
… magnets, temperature sensors based on optical fibers provide an effective solution for rapid, distributed measurement, with low sensitivity to electromagnetic interference. At the cryogenic temperatures and high radiation doses associated with this application, however, optical fibers undergo …
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Investigations on Void Formation in Composite Molding Processes and Structural Damping in Fiber-Reinforced Composites with Nanoscale Reinforcements
Fiber-reinforced composites (FRCs) offer a stronger and lighter weight alternative to traditional materials used in engineering components such as wind turbine blades and rotorcraft structures. Composites for these applications are often fabricated using liquid molding techniques, such as injection …
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Characterization of the Vacuum Assisted Resin Transfer Molding Process for Fabrication of Aerospace Composites
… consumption by developing lightweight carbon fiber, polymer matrix composites to replace existing metallic airframe structure. In the Twenty-first Aircraft Technology Program (TCAT) efforts were focused on developing novel processing methods to fabricate tailored composite airframe structure. …
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Thermal regulation of vascularized fiber-reinforced polymer matrix composites
Fiber reinforced polymer matrix composites (PMC) possess outstanding structural properties, including high strength and stiffness, low weight, long fatigue life, and excellent manufacturability of complex geometries. However, their application is still limited where high temperature service is …