The use of discontinuous PEEK/carbon fiber thermoplastic moulding compounds for thick-section componentry

The hot-pressing of discontinuous fiber moulding compounds (DFMCs) is an established way of forming geometrically complex components, however, it is not a simple process. Rapid and irreversible cure cycles hinder the use of thermoset resins, and thermoplastic resins offer inferior mechanical perform...

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Autores principales:	Samuel Erland, Luke Savage
Formato:	article
Lenguaje:	EN
Publicado:	Taylor & Francis Group 2019
Materias:	thermoset prepreg manufacturing hot press forming material characterisation Polymers and polymer manufacture TP1080-1185 Automation T59.5
Acceso en línea:	https://doaj.org/article/98ca344afd084231a01d25f3a70abd23
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spelling	oai:doaj.org-article:98ca344afd084231a01d25f3a70abd232021-12-02T09:31:45ZThe use of discontinuous PEEK/carbon fiber thermoplastic moulding compounds for thick-section componentry2055-035910.1080/20550340.2019.1639968https://doaj.org/article/98ca344afd084231a01d25f3a70abd232019-07-01T00:00:00Zhttp://dx.doi.org/10.1080/20550340.2019.1639968https://doaj.org/toc/2055-0359The hot-pressing of discontinuous fiber moulding compounds (DFMCs) is an established way of forming geometrically complex components, however, it is not a simple process. Rapid and irreversible cure cycles hinder the use of thermoset resins, and thermoplastic resins offer inferior mechanical performance. The recent availability of DFMCs utilising a Polyether Ether Ketone (PEEK) matrix offer an alternative, combining the usability of thermoplastics with significantly enhanced mechanical properties. A novel manufacturing approach is proposed and investigated, in which virgin material is consolidated into multiple ‘pre-charges’ prior to pressing the final component, combating the limitations of DFMCs; loft, voidage and fiber orientation. Short beam shear tests were employed to assess the mechanical implications of laminating DFMCs, demonstrating minimal differences to a standard sample. Three-point bend tests assessed rudimentary orientation of fiber bundles, showing significantly improved mechanical performance at the cost of toughness. A novel method to determine the interlaminar shear modulus is also presented and successfully validated.Samuel ErlandLuke SavageTaylor & Francis Grouparticlethermoset prepregmanufacturinghot press formingmaterial characterisationPolymers and polymer manufactureTP1080-1185AutomationT59.5ENAdvanced Manufacturing: Polymer & Composites Science, Vol 0, Iss 0, Pp 1-14 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	thermoset prepreg manufacturing hot press forming material characterisation Polymers and polymer manufacture TP1080-1185 Automation T59.5
spellingShingle	thermoset prepreg manufacturing hot press forming material characterisation Polymers and polymer manufacture TP1080-1185 Automation T59.5 Samuel Erland Luke Savage The use of discontinuous PEEK/carbon fiber thermoplastic moulding compounds for thick-section componentry
description	The hot-pressing of discontinuous fiber moulding compounds (DFMCs) is an established way of forming geometrically complex components, however, it is not a simple process. Rapid and irreversible cure cycles hinder the use of thermoset resins, and thermoplastic resins offer inferior mechanical performance. The recent availability of DFMCs utilising a Polyether Ether Ketone (PEEK) matrix offer an alternative, combining the usability of thermoplastics with significantly enhanced mechanical properties. A novel manufacturing approach is proposed and investigated, in which virgin material is consolidated into multiple ‘pre-charges’ prior to pressing the final component, combating the limitations of DFMCs; loft, voidage and fiber orientation. Short beam shear tests were employed to assess the mechanical implications of laminating DFMCs, demonstrating minimal differences to a standard sample. Three-point bend tests assessed rudimentary orientation of fiber bundles, showing significantly improved mechanical performance at the cost of toughness. A novel method to determine the interlaminar shear modulus is also presented and successfully validated.
format	article
author	Samuel Erland Luke Savage
author_facet	Samuel Erland Luke Savage
author_sort	Samuel Erland
title	The use of discontinuous PEEK/carbon fiber thermoplastic moulding compounds for thick-section componentry
title_short	The use of discontinuous PEEK/carbon fiber thermoplastic moulding compounds for thick-section componentry
title_full	The use of discontinuous PEEK/carbon fiber thermoplastic moulding compounds for thick-section componentry
title_fullStr	The use of discontinuous PEEK/carbon fiber thermoplastic moulding compounds for thick-section componentry
title_full_unstemmed	The use of discontinuous PEEK/carbon fiber thermoplastic moulding compounds for thick-section componentry
title_sort	use of discontinuous peek/carbon fiber thermoplastic moulding compounds for thick-section componentry
publisher	Taylor & Francis Group
publishDate	2019
url	https://doaj.org/article/98ca344afd084231a01d25f3a70abd23
work_keys_str_mv	AT samuelerland theuseofdiscontinuouspeekcarbonfiberthermoplasticmouldingcompoundsforthicksectioncomponentry AT lukesavage theuseofdiscontinuouspeekcarbonfiberthermoplasticmouldingcompoundsforthicksectioncomponentry AT samuelerland useofdiscontinuouspeekcarbonfiberthermoplasticmouldingcompoundsforthicksectioncomponentry AT lukesavage useofdiscontinuouspeekcarbonfiberthermoplasticmouldingcompoundsforthicksectioncomponentry
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The use of discontinuous PEEK/carbon fiber thermoplastic moulding compounds for thick-section componentry

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