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

Angeliki Chanteli; Aswani Kumar Bandaru; Daniël Peeters; Ronan M. O'Higgins; Paul M. Weaver

doi:10.1016/j.compstruct.2020.112539

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

Angeliki Chanteli
, Aswani Kumar Bandaru
, Daniël Peeters
, Ronan M. O'Higgins^*
, Paul M. Weaver

^*Corresponding author for this work

Research output: Contribution to journal › Article › Scientific › peer-review

75 Citations (Scopus)

108 Downloads (Pure)

Abstract

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.

Original language	English
Article number	112539
Number of pages	9
Journal	Composite Structures
Volume	248
DOIs	https://doi.org/10.1016/j.compstruct.2020.112539
Publication status	Published - 15 Sept 2020

Keywords

Annealing
Automated fibre placement (AFP)
Carbon fibre/PEEK
Mechanical properties

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10.1016/j.compstruct.2020.112539

Composite Structures Submission_R1Accepted author manuscript, 1.08 MBLicence: CC BY-NC-ND

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

abstract = "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.",

keywords = "Annealing, Automated fibre placement (AFP), Carbon fibre/PEEK, Mechanical properties",

author = "Angeliki Chanteli and Bandaru, \{Aswani Kumar\} and Dani{\"e}l Peeters and O'Higgins, \{Ronan M.\} and Weaver, \{Paul M.\}",

year = "2020",

month = sep,

day = "15",

doi = "10.1016/j.compstruct.2020.112539",

language = "English",

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AU - Chanteli, Angeliki

AU - Bandaru, Aswani Kumar

AU - Peeters, Daniël

AU - O'Higgins, Ronan M.

AU - Weaver, Paul M.

PY - 2020/9/15

Y1 - 2020/9/15

N2 - 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.

AB - 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.

KW - Annealing

KW - Automated fibre placement (AFP)

KW - Carbon fibre/PEEK

KW - Mechanical properties

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M3 - Article

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JO - Composite Structures

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M1 - 112539

ER -

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

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Keywords

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