Effects of reactive and non-reactive tackifying agents on mechanical neat resin and composite performance for preforming processes and Liquid Resin Infusion (LRI) techniques

AbstractPreforming processes can be used for automated manufacturing of fiber reinforced polymers. Different technologies are used for processing of dry textile fabrics into 2D or 3D preforms. Due to missing tack of dry fabrics, auxiliary binder systems are used for fixation of the fabrics onto a su...

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Main Authors: Florian Helber, Stefan Carosella, Peter Middendorf
Format: Article
Language:English
Published: Taylor & Francis Group 2023-01-01
Series:Advanced Manufacturing: Polymer & Composites Science
Subjects:
Online Access:https://www.tandfonline.com/doi/10.1080/20550340.2023.2205796
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author Florian Helber
Stefan Carosella
Peter Middendorf
author_facet Florian Helber
Stefan Carosella
Peter Middendorf
author_sort Florian Helber
collection DOAJ
description AbstractPreforming processes can be used for automated manufacturing of fiber reinforced polymers. Different technologies are used for processing of dry textile fabrics into 2D or 3D preforms. Due to missing tack of dry fabrics, auxiliary binder systems are used for fixation of the fabrics onto a substrate material and in order to achieve sufficient adhesion between layers. In this study, seven reactive and non-reactive tackifying agents have been dissolved in neat resin samples of three epoxy resin systems, showing different degrees of solubility and a variation on neat resin tensile properties (ΔσAVG = 20%) as well as a reduction on thermal properties (up to ΔTg = −18 °C). Subsequently, fiber reinforced polymers were manufactured using Liquid Resin Infusion techniques in order to characterize the influence of binder systems on water absorption (cs,max = 1.38 wt%) and Interlaminar Shear Strength (ILSS). It was shown that ILSS properties are negatively affected by non-reactive tackifying agents (up to −27%).
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spelling doaj.art-37c0cde36b0f43f69dfe1ded0b0d98892023-12-13T11:03:41ZengTaylor & Francis GroupAdvanced Manufacturing: Polymer & Composites Science2055-03402055-03592023-01-019110.1080/20550340.2023.2205796Effects of reactive and non-reactive tackifying agents on mechanical neat resin and composite performance for preforming processes and Liquid Resin Infusion (LRI) techniquesFlorian Helber0Stefan Carosella1Peter Middendorf2Institute of Aircraft Design (IFB), University of Stuttgart, Stuttgart, GermanyInstitute of Aircraft Design (IFB), University of Stuttgart, Stuttgart, GermanyInstitute of Aircraft Design (IFB), University of Stuttgart, Stuttgart, GermanyAbstractPreforming processes can be used for automated manufacturing of fiber reinforced polymers. Different technologies are used for processing of dry textile fabrics into 2D or 3D preforms. Due to missing tack of dry fabrics, auxiliary binder systems are used for fixation of the fabrics onto a substrate material and in order to achieve sufficient adhesion between layers. In this study, seven reactive and non-reactive tackifying agents have been dissolved in neat resin samples of three epoxy resin systems, showing different degrees of solubility and a variation on neat resin tensile properties (ΔσAVG = 20%) as well as a reduction on thermal properties (up to ΔTg = −18 °C). Subsequently, fiber reinforced polymers were manufactured using Liquid Resin Infusion techniques in order to characterize the influence of binder systems on water absorption (cs,max = 1.38 wt%) and Interlaminar Shear Strength (ILSS). It was shown that ILSS properties are negatively affected by non-reactive tackifying agents (up to −27%).https://www.tandfonline.com/doi/10.1080/20550340.2023.2205796Dry fiber placementbinder systemscarbon fiber reinforced polymerpreformingthermosetmechanical performance
spellingShingle Florian Helber
Stefan Carosella
Peter Middendorf
Effects of reactive and non-reactive tackifying agents on mechanical neat resin and composite performance for preforming processes and Liquid Resin Infusion (LRI) techniques
Advanced Manufacturing: Polymer & Composites Science
Dry fiber placement
binder systems
carbon fiber reinforced polymer
preforming
thermoset
mechanical performance
title Effects of reactive and non-reactive tackifying agents on mechanical neat resin and composite performance for preforming processes and Liquid Resin Infusion (LRI) techniques
title_full Effects of reactive and non-reactive tackifying agents on mechanical neat resin and composite performance for preforming processes and Liquid Resin Infusion (LRI) techniques
title_fullStr Effects of reactive and non-reactive tackifying agents on mechanical neat resin and composite performance for preforming processes and Liquid Resin Infusion (LRI) techniques
title_full_unstemmed Effects of reactive and non-reactive tackifying agents on mechanical neat resin and composite performance for preforming processes and Liquid Resin Infusion (LRI) techniques
title_short Effects of reactive and non-reactive tackifying agents on mechanical neat resin and composite performance for preforming processes and Liquid Resin Infusion (LRI) techniques
title_sort effects of reactive and non reactive tackifying agents on mechanical neat resin and composite performance for preforming processes and liquid resin infusion lri techniques
topic Dry fiber placement
binder systems
carbon fiber reinforced polymer
preforming
thermoset
mechanical performance
url https://www.tandfonline.com/doi/10.1080/20550340.2023.2205796
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