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Title:Resin flows through porous fiber collection in pultrusion processing
Author(s):Qi, Quan; Johnson, Robert E.
Subject(s):Porous Fiber Collection
Pultrusion Processing
Resin Flows
Abstract:Pultrusion is a composite manufacturing process. A variable viscosity resin flow through a collection of fibers in pultrusion processing is examined in this report. Based on the assumption of large activation energy, polymerization is assumed to take place within a thin reaction front. Outside of the reaction front, resin is in the state of either un-cured fluid or gelled solid. Solutions of pressure, resin velocity, and temperature distributions inside the die are obtained and the effect of different parameters on these distributions are investigated. These results can be used to estimate the interior conditions inside the die during pultrusion processing. They may also be used to relate heating conditions, die shape, and interf acial conditions to pulling force at the exit, provided appropriate interfacial friction conditions is known. Expression for drag force is presented with hydrodynamic model. The results obtained here are simple and yet provide insight into the mechanisms that characterize a successful pultrusion operation.
Issue Date:1993-12
Publisher:Department of Theoretical and Applied Mechanics. College of Engineering. University of Illinois at Urbana-Champaign
Series/Report:TAM R 739
Genre:Technical Report
Rights Information:Copyright 1993 Board of Trustees of the University of Illinois
Date Available in IDEALS:2021-11-04

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  • Technical Reports - Theoretical and Applied Mechanics (TAM)
    TAM technical reports include manuscripts intended for publication, theses judged to have general interest, notes prepared for short courses, symposia compiled from outstanding undergraduate projects, and reports prepared for research-sponsoring agencies.

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