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Influence of repass treatment on carbon fibre-reinforced PEEK composites manufactured using laser-assisted automatic tape placement

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posted on 2023-03-20, 12:31 authored by Angeliki Chanteli, Aswani BandaruAswani Bandaru, Daniël Peeters, RONAN O'HIGGINSRONAN O'HIGGINS, Paul WeaverPaul Weaver
Laser-assisted automated tape placement (LATP) in-situ consolidation of thermoplastic composites offers an efficient solution for production of large, high performance composite structures. The present work investigates laser repass treatment as a method of enhancing surface roughness and mechanical properties of LATP processed CF/PEEK laminates. Three laminate stacking sequences were studied, viz. [0°]16, [−45°/0°/45°/90°]2s and [±45°]4s. Four repass treatments were performed, including single, double, perpendicular and tool-side repasses. The effect of these repasses on interlaminar shear strength (ILSS), open-hole compression (OHC), in-plane shear (IPS), density, fibre volume fraction, void content and surface roughness was investigated. Surface roughness tests confirmed the improvement of the surface finish due to repass treatment. However, insignificant differences in ILSS values were observed across all repass treatments, but a single laser repass did appear to improve the OHC and IPS performance. Autoclave treated samples were used as a benchmark to compare with LATP processed laminate properties.

Funding

Study on Aerodynamic Characteristics Control of Slender Body Using Active Flow Control Technique

Japan Society for the Promotion of Science

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History

Publication

Composite Structures;248, 112539

Publisher

Elsevier

Note

peer-reviewed The full text of this article will not be available in ULIR until the embargo expires on the 30/05/2022

Other Funding information

ERC, SFI, EI

Rights

This is the author’s version of a work that was accepted for publication in Composite Structures. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Composite Structures, 2020, 248, 112539, https://doi.org/10.1016/j.compstruct.2020.112539

Language

English

Also affiliated with

  • Bernal Institute
  • Irish Centre for Composites Research (IComp)

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