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Through-thickness frontal polymerization: Process development and optimization
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DOI：10.1016/j.compositesa.2024.108084.png)
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Abstract
En 中文
Current methods for the manufacture of fiber-reinforced polymer composites (FRPCs) are energy intensive, time consuming, and have adverse effects on the environment. Frontal polymerization (FP) is an out-of-autoclave, self-sustaining cure process garnering significant adoption by enabling rapid and energy-efficient manufacture of FRPCs. Prior FP-based manufacture of FRPCs rely on in-plane triggers to initiate the reaction. In the present study, we adopt through-thickness curing of carbon FRPCs with emphasis on the energy input required and the resulting composite properties. High energy input resulted in high glass transition temperature (T-g=156 degrees C), fiber volume fraction (V-f=65%), and low void content (V-v approximate to 0). Computational modeling and optimization complement the experiments with focus on further reducing the energy whilst maintaining the favorable properties achieved at high energy inputs. A 27.5% reduction in energy resulted while maintaining similar performance.
Keywords:
Frontal polymerization (E)
Carbon fibers (A)
Polymer-matrix composites (A)
Modeling (C)
Journal
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8.9
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8.6K
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4.5W
