On the ply-wise investigation of the crystalline morphology distribution of in-situ consolidated CF/PEEK composite using Wide-Angle X-ray scattering (WAXS)

IF 8.1 2区材料科学 Q1 ENGINEERING, MANUFACTURING

Composites Part A: Applied Science and Manufacturing Pub Date : 2025-02-07 DOI:10.1016/j.compositesa.2025.108792

Shafaq Shafaq , Matthew J. Donough , Ashleigh L. Farnsworth , Andrew W. Phillips , Gleny Chirima , Nigel A. St John , B. Ben Arber , Kilahney Murphy , Gangadhara Prusty

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引用次数: 0

Abstract

In-situ consolidated thermoplastic composites using automated fibre placement (AFP) experience highly localised and transient heating and cooling cycles during the process. Hence, the in-situ consolidation process can lead to significant fluctuations in polymer properties across the full part volume. The fluctuation in properties is primarily due to variations in cooling rates during the melting process and the number of high-temperature cycles experienced at each point. This paper presents the first study investigating the localised ply-wise crystalline properties of a Polyether-ether-ketone (PEEK) polymer matrix in a hot gas torch assisted in-situ consolidated carbon fibre PEEK composite with varying processing parameters using wide-angle X-ray scattering (WAXS) conducted on SAXS/WAXS beamline. The results demonstrate that crystallinity, and crystal orientation fraction exhibit ply-wise. However, maximum tool surface heating achieves a more uniform morphology. By integrating both orientation and crystallinity, a comprehensive strategy for optimising the mechanical performance of polymer materials can be developed.

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来源期刊

Composites Part A: Applied Science and Manufacturing 工程技术-材料科学：复合

CiteScore

15.20

自引率

5.70%

发文量

492

审稿时长

30 days

期刊介绍： Composites Part A: Applied Science and Manufacturing is a comprehensive journal that publishes original research papers, review articles, case studies, short communications, and letters covering various aspects of composite materials science and technology. This includes fibrous and particulate reinforcements in polymeric, metallic, and ceramic matrices, as well as 'natural' composites like wood and biological materials. The journal addresses topics such as properties, design, and manufacture of reinforcing fibers and particles, novel architectures and concepts, multifunctional composites, advancements in fabrication and processing, manufacturing science, process modeling, experimental mechanics, microstructural characterization, interfaces, prediction and measurement of mechanical, physical, and chemical behavior, and performance in service. Additionally, articles on economic and commercial aspects, design, and case studies are welcomed. All submissions undergo rigorous peer review to ensure they contribute significantly and innovatively, maintaining high standards for content and presentation. The editorial team aims to expedite the review process for prompt publication.