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Investigation into fibre orientation and weldline reduction of injection moulded short glass-fibre/polyamide 6-6 automotive components

Sarah Mosey, Feras Korkees Orcid Logo, Andrew Rees, Gethin Llewelyn

Journal of Thermoplastic Composite Materials

Swansea University Authors: Feras Korkees Orcid Logo, Andrew Rees

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DOI (Published version): 10.1177/0892705719833098

Abstract

Due to the increasing demands on automotive components, manufacturers are relying on injection moulding components from fibre-reinforced polymers in an attempt to increase strength to weight ratio. The use of reinforcing fibres in injection moulded components has led to component failures whereby th...

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Published in: Journal of Thermoplastic Composite Materials
ISSN: 0892-7057 1530-7980
Published: 2019
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URI: https://cronfa.swan.ac.uk/Record/cronfa48154
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first_indexed 2019-01-14T14:01:32Z
last_indexed 2020-07-01T19:02:01Z
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spelling 2020-07-01T14:08:32.5546587 v2 48154 2019-01-14 Investigation into fibre orientation and weldline reduction of injection moulded short glass-fibre/polyamide 6-6 automotive components 4d34f40e38537261da3ad49a0dd2be09 0000-0002-5131-6027 Feras Korkees Feras Korkees true false e43e88c74976e714e1d669a898f8470d Andrew Rees Andrew Rees true false 2019-01-14 MTLS Due to the increasing demands on automotive components, manufacturers are relying on injection moulding components from fibre-reinforced polymers in an attempt to increase strength to weight ratio. The use of reinforcing fibres in injection moulded components has led to component failures whereby the material strength is hampered through the formation of weldlines which are also a problem for unreinforced plastics. In this study, an industrial demonstrator component has the injection locations verified through a combination of fibre orientation tensor simulation and optical microscopy analysis of key locations on the component. Furthermore, the automotive component manufactured from 30% glass fibre–reinforced polyamide 6-6 is simulated and optimized through a Taguchi parametric study. A comparison is made between the component, as it is currently manufactured, and the optimum processing parameters determined by the study. It was found that the component can be manufactured with roughly 7.5% fewer weldlines and with a mould fill time 132 ms quicker than the current manufacturing process. Journal Article Journal of Thermoplastic Composite Materials 0892-7057 1530-7980 Fibre orientation, weldlines, polyamide 6-6, glass fibre reinforced, injection moulding, moldflow 31 12 2019 2019-12-31 10.1177/0892705719833098 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University 2020-07-01T14:08:32.5546587 2019-01-14T09:28:52.8654840 Sarah Mosey 1 Feras Korkees 0000-0002-5131-6027 2 Andrew Rees 3 Gethin Llewelyn 4 0048154-14012019093048.pdf mosey2018.pdf 2019-01-14T09:30:48.6070000 Output 6253327 application/pdf Accepted Manuscript true 2019-04-12T00:00:00.0000000 true eng
title Investigation into fibre orientation and weldline reduction of injection moulded short glass-fibre/polyamide 6-6 automotive components
spellingShingle Investigation into fibre orientation and weldline reduction of injection moulded short glass-fibre/polyamide 6-6 automotive components
Feras Korkees
Andrew Rees
title_short Investigation into fibre orientation and weldline reduction of injection moulded short glass-fibre/polyamide 6-6 automotive components
title_full Investigation into fibre orientation and weldline reduction of injection moulded short glass-fibre/polyamide 6-6 automotive components
title_fullStr Investigation into fibre orientation and weldline reduction of injection moulded short glass-fibre/polyamide 6-6 automotive components
title_full_unstemmed Investigation into fibre orientation and weldline reduction of injection moulded short glass-fibre/polyamide 6-6 automotive components
title_sort Investigation into fibre orientation and weldline reduction of injection moulded short glass-fibre/polyamide 6-6 automotive components
author_id_str_mv 4d34f40e38537261da3ad49a0dd2be09
e43e88c74976e714e1d669a898f8470d
author_id_fullname_str_mv 4d34f40e38537261da3ad49a0dd2be09_***_Feras Korkees
e43e88c74976e714e1d669a898f8470d_***_Andrew Rees
author Feras Korkees
Andrew Rees
author2 Sarah Mosey
Feras Korkees
Andrew Rees
Gethin Llewelyn
format Journal article
container_title Journal of Thermoplastic Composite Materials
publishDate 2019
institution Swansea University
issn 0892-7057
1530-7980
doi_str_mv 10.1177/0892705719833098
document_store_str 1
active_str 0
description Due to the increasing demands on automotive components, manufacturers are relying on injection moulding components from fibre-reinforced polymers in an attempt to increase strength to weight ratio. The use of reinforcing fibres in injection moulded components has led to component failures whereby the material strength is hampered through the formation of weldlines which are also a problem for unreinforced plastics. In this study, an industrial demonstrator component has the injection locations verified through a combination of fibre orientation tensor simulation and optical microscopy analysis of key locations on the component. Furthermore, the automotive component manufactured from 30% glass fibre–reinforced polyamide 6-6 is simulated and optimized through a Taguchi parametric study. A comparison is made between the component, as it is currently manufactured, and the optimum processing parameters determined by the study. It was found that the component can be manufactured with roughly 7.5% fewer weldlines and with a mould fill time 132 ms quicker than the current manufacturing process.
published_date 2019-12-31T03:58:27Z
_version_ 1763752969428271104
score 11.037603

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