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Characteristics of in-situ automated fiber placement carbon-fiber-reinforced low-melt polyaryl ether ketone laminates part 2: Effect of prepreg composition

Raps, Lukas and Chadwick, Ashley and Mössinger, Ines and Vinot, Mathieu and Behling, Tobias and Schäfer, Yannick (2024) Characteristics of in-situ automated fiber placement carbon-fiber-reinforced low-melt polyaryl ether ketone laminates part 2: Effect of prepreg composition. Journal of Composite Materials. Sage Publications. doi: 10.1177/00219983241240585. ISSN 0021-9983.

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Official URL: https://journals.sagepub.com/doi/10.1177/00219983241240585

Abstract

This paper presents an investigation into prepreg tape composition and its impact on the consolidation quality of in‐situ Automated Fiber Placement-manufactured laminates. Three different prepreg tape materials were investigated in terms of fiber distribution, porosity and surface roughness. Laminates were manufactured using the in-situ Automated Fiber Placement process and subsequently tested using microanalysis and mechanical testing methods. Higher quality prepreg tape material yielded lower porosity laminates and increased mechanical strength results. The best in-situ Automated Fiber Placement-manufactured laminates achieved 82 % and 88 % of hot-pressed reference tensile- and compressive strength, respectively. Prepreg tape with disadvantageous composition for in‐situ consolidation yielded up to 74 % knockdown compared to the best in-situ consolidated laminates. A five-point bending test was successfully used to determine interlaminar shear strength with significant results relating to consolidation quality. A correlation was successfully established between prepreg composition, resulting laminate consolidation quality and mechanical properties.

Item URL in elib:https://elib.dlr.de/203521/
Document Type:Article
Title:Characteristics of in-situ automated fiber placement carbon-fiber-reinforced low-melt polyaryl ether ketone laminates part 2: Effect of prepreg composition
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Raps, LukasUNSPECIFIEDhttps://orcid.org/0000-0002-4512-8855157987974
Chadwick, AshleyUNSPECIFIEDhttps://orcid.org/0000-0001-7693-5687157987975
Mössinger, InesUNSPECIFIEDhttps://orcid.org/0000-0002-1026-5307UNSPECIFIED
Vinot, MathieuUNSPECIFIEDhttps://orcid.org/0000-0003-3394-5142UNSPECIFIED
Behling, TobiasUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Schäfer, YannickUNSPECIFIEDhttps://orcid.org/0009-0000-2645-7613157987976
Date:29 March 2024
Journal or Publication Title:Journal of Composite Materials
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI:10.1177/00219983241240585
Publisher:Sage Publications
ISSN:0021-9983
Status:Published
Keywords:automated fiber placement, thermoplastic composites, mechanical properties
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Components and Systems
DLR - Research area:Aeronautics
DLR - Program:L CS - Components and Systems
DLR - Research theme (Project):L - Structural Materials and Design
Location: Stuttgart
Institutes and Institutions:Institute of Structures and Design > Design and Manufacture Technologies
Institute of Structures and Design > Structural Integrity
Deposited By: Raps, Lukas
Deposited On:19 Apr 2024 13:43
Last Modified:19 Apr 2024 13:43

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