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3D printing of composites: design parameters and flexural performance

Feras Korkees Orcid Logo, James Allenby, Peter Dorrington

Rapid Prototyping Journal, Volume: 26, Issue: 4

Swansea University Authors: Feras Korkees Orcid Logo, Peter Dorrington

Abstract

Purpose3D printing of composites has a high degree of design freedom, which allows for the manufacture of complex shapes that cannot be achieved with conventional manufacturing processes. This paper aims to assess the design variables that might affect the mechanical properties of 3D-printed fibre-r...

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Published in: Rapid Prototyping Journal
ISSN: 1355-2546
Published: Emerald 2020
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URI: https://cronfa.swan.ac.uk/Record/cronfa53419
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spelling 2020-11-23T13:15:11.2431232 v2 53419 2020-02-03 3D printing of composites: design parameters and flexural performance 4d34f40e38537261da3ad49a0dd2be09 0000-0002-5131-6027 Feras Korkees Feras Korkees true false d3a8f81f0c9d8676122f844966405ed9 Peter Dorrington Peter Dorrington true false 2020-02-03 MTLS Purpose3D printing of composites has a high degree of design freedom, which allows for the manufacture of complex shapes that cannot be achieved with conventional manufacturing processes. This paper aims to assess the design variables that might affect the mechanical properties of 3D-printed fibre-reinforced composites.Design/methodology/approachMarkforged Mark-Two printers were used to manufacture samples using nylon 6 and carbon fibres. The effect of fibre volume fraction, fibre layer location and fibre orientation has been studied using three-point flexural testing.FindingsThe flexural strength and stiffness of the 3D-printed composites increased with increasing the fibre volume fraction. The flexural properties were altered by the position of the fibre layers. The highest strength and stiffness were observed with the reinforcement evenly distributed about the neutral axis of the sample. Moreover, unidirectional fibres provided the best flexural performance compared to the other orientations. 3D printed composites also showed various failure modes under bending loads.Originality/valueDespite multiple studies available on 3D-printed composites, there does not seem to be a clear understanding and consensus on how the location of the fibre layers can affect the mechanical properties and printing versatility. Therefore, this study covered this design parameter and evaluated different locations in terms of mechanical properties and printing characteristics. This is to draw final conclusions on how 3D printing may be used to manufacture cost-effective, high-quality parts with excellent mechanical performance. Journal Article Rapid Prototyping Journal 26 4 Emerald 1355-2546 24 1 2020 2020-01-24 10.1108/rpj-07-2019-0188 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University 2020-11-23T13:15:11.2431232 2020-02-03T16:20:01.7550079 College of Engineering Engineering Feras Korkees 0000-0002-5131-6027 1 James Allenby 2 Peter Dorrington 3 53419__16519__0bfbd24f9b464350aa268688f0e47c82.pdf korkees2020.pdf 2020-02-04T08:49:53.3620599 Output 3681137 application/pdf Accepted Manuscript true 2020-02-04T00:00:00.0000000 true eng
title 3D printing of composites: design parameters and flexural performance
spellingShingle 3D printing of composites: design parameters and flexural performance
Feras Korkees
Peter Dorrington
title_short 3D printing of composites: design parameters and flexural performance
title_full 3D printing of composites: design parameters and flexural performance
title_fullStr 3D printing of composites: design parameters and flexural performance
title_full_unstemmed 3D printing of composites: design parameters and flexural performance
title_sort 3D printing of composites: design parameters and flexural performance
author_id_str_mv 4d34f40e38537261da3ad49a0dd2be09
d3a8f81f0c9d8676122f844966405ed9
author_id_fullname_str_mv 4d34f40e38537261da3ad49a0dd2be09_***_Feras Korkees
d3a8f81f0c9d8676122f844966405ed9_***_Peter Dorrington
author Feras Korkees
Peter Dorrington
author2 Feras Korkees
James Allenby
Peter Dorrington
format Journal article
container_title Rapid Prototyping Journal
container_volume 26
container_issue 4
publishDate 2020
institution Swansea University
issn 1355-2546
doi_str_mv 10.1108/rpj-07-2019-0188
publisher Emerald
college_str College of Engineering
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hierarchy_top_id collegeofengineering
hierarchy_top_title College of Engineering
hierarchy_parent_id collegeofengineering
hierarchy_parent_title College of Engineering
department_str Engineering{{{_:::_}}}College of Engineering{{{_:::_}}}Engineering
document_store_str 1
active_str 0
description Purpose3D printing of composites has a high degree of design freedom, which allows for the manufacture of complex shapes that cannot be achieved with conventional manufacturing processes. This paper aims to assess the design variables that might affect the mechanical properties of 3D-printed fibre-reinforced composites.Design/methodology/approachMarkforged Mark-Two printers were used to manufacture samples using nylon 6 and carbon fibres. The effect of fibre volume fraction, fibre layer location and fibre orientation has been studied using three-point flexural testing.FindingsThe flexural strength and stiffness of the 3D-printed composites increased with increasing the fibre volume fraction. The flexural properties were altered by the position of the fibre layers. The highest strength and stiffness were observed with the reinforcement evenly distributed about the neutral axis of the sample. Moreover, unidirectional fibres provided the best flexural performance compared to the other orientations. 3D printed composites also showed various failure modes under bending loads.Originality/valueDespite multiple studies available on 3D-printed composites, there does not seem to be a clear understanding and consensus on how the location of the fibre layers can affect the mechanical properties and printing versatility. Therefore, this study covered this design parameter and evaluated different locations in terms of mechanical properties and printing characteristics. This is to draw final conclusions on how 3D printing may be used to manufacture cost-effective, high-quality parts with excellent mechanical performance.
published_date 2020-01-24T04:07:40Z
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