Improvement of the layer-layer adhesion in FFF 3D printed PEEK/carbon fibre composites

Krzysztof Rodzen; Eileen Harkin-Jones; Marcin Wegrzyn; Pratikshya Sharma; Alexander Zhigunov

doi:10.1016/j.compositesa.2021.106532

Improvement of the layer-layer adhesion in FFF 3D printed PEEK/carbon fibre composites

Krzysztof Rodzen
, Eileen Harkin-Jones
, Marcin Wegrzyn
, Pratikshya Sharma
, Alexander Zhigunov

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

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Abstract

Improvement of the mechanical properties of FFF 3D printed CF/PEEK composites was achieved by printing under favorable crystallization conditions. It was possible to improve the layer-layer tensile strength more than fivefold from 6.96 MPa to 36.28 MPa by printing in a specially customised, low cost printer operated with a heated print chamber at 230℃. The influence of the chamber temperature on the mechanical and crystalline structure was investigated to determine the best conditions. A maximum flexural modulus of 14 946 MPa and flexural stress at break of 248.9 MPa were achieved. A proof of concept study involved the 3DP of a CF/PEEK mould tooling insert for injection moulding. This insert replaced a costly traditional metal insert to print short production runs of ABS and HIPS polymers. This work offers a low cost and rapid means to produce effective tooling inserts for the injection moulding industry.

Original language	English
Article number	106532
Pages (from-to)	1-11
Number of pages	11
Journal	Composites Part A: Applied Science and Manufacturing
Volume	149
Early online date	27 Jun 2021
DOIs	https://doi.org/10.1016/j.compositesa.2021.106532
Publication status	Published (in print/issue) - 1 Oct 2021

Bibliographical note

Funding

The authors would like to thank Invest Northern Ireland for funding of the Competence Centre project entitled Rapid tooling for injection moulding and composite lay-up.

Keywords

3-D Printing
Carbon fibres
High-temperature properties
Polymer-matrix composites (PMCs)

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10.1016/j.compositesa.2021.106532

FFF_3D_printed_PEEK_carbon_fibre_composites_Apr_25_2021Author Accepted Manuscript, 1.8 MBLicence: CC BY-NC-ND

Spontaneous facial micro expression recognition and analysis using varying resolutions
Sharma, P. (Author), Yogarajah, P. (Supervisor), Taggart, L. (Supervisor) & Coleman, S. (Supervisor), Sept 2022
Student thesis: Doctoral Thesis

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AU - Rodzen, Krzysztof

AU - Harkin-Jones, Eileen

AU - Wegrzyn, Marcin

AU - Sharma, Pratikshya

AU - Zhigunov, Alexander

PY - 2021/10/1

Y1 - 2021/10/1

N2 - Improvement of the mechanical properties of FFF 3D printed CF/PEEK composites was achieved by printing under favorable crystallization conditions. It was possible to improve the layer-layer tensile strength more than fivefold from 6.96 MPa to 36.28 MPa by printing in a specially customised, low cost printer operated with a heated print chamber at 230℃. The influence of the chamber temperature on the mechanical and crystalline structure was investigated to determine the best conditions. A maximum flexural modulus of 14 946 MPa and flexural stress at break of 248.9 MPa were achieved. A proof of concept study involved the 3DP of a CF/PEEK mould tooling insert for injection moulding. This insert replaced a costly traditional metal insert to print short production runs of ABS and HIPS polymers. This work offers a low cost and rapid means to produce effective tooling inserts for the injection moulding industry.

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KW - 3-D Printing

KW - Carbon fibres

KW - High-temperature properties

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Improvement of the layer-layer adhesion in FFF 3D printed PEEK/carbon fibre composites

Abstract

Bibliographical note

Funding

Keywords

Access to Document

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Student theses

Spontaneous facial micro expression recognition and analysis using varying resolutions

Cite this