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Influence of parameters of the production process on the material quality of unidirectionally reinforced prepregs

  • Purpose: A prepreg production device in laboratory scale is used to develop the production process of unidirectionally reinforced prepregs. Design/methodology/approach: The aim of the prepreg production device is to impregnate different types of reinforcement fibers with an arbitrarily selectable thermoset matrix system that completely satisfies the requirements for autoclave processing. As the prepreg production device is designed and built up modularly every module corresponds one step in the process. Findings: To identify the parameters of the production process and investigate its sensitivity on the material quality of both the prepreg as an uncured semi-finished product and the composite as the cured material experimental investigations regarding the resin flow, fiber volume content, mass per unit area and void content are carried out. Overall four material combinations have been investigated, where in each case the selected impregnation temperature and the width of the impregnation gap has been reproducibly varied in selected steps. Research limitations/implications: The experimental characterization of the prepregs and of the composite material is carried out according to German standards.

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Metadaten
Author:Marco Romano, Michael Eisenried, Bastian Jungbauer, Ingo EhrlichORCiDGND, Norbert Gebbeken
URL / DOI:http://jamme.acmsse.h2.pl/vol68_1/6815.pdf
Parent Title (English):Journal of Achievements in Materials and Manufacturing Engineering (JAMME)
Document Type:Article
Language:English
Year of first Publication:2015
Release Date:2021/05/07
Volume:68
Issue:1
First Page:32
Last Page:44
Institutes:Fakultät Maschinenbau
Technologie-Campus Neustadt an der Donau
Fakultät Maschinenbau / Labor Faserverbundtechnik (LFT)
research focus:Produktion und Systeme