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Influence of calcium carbonate on polyamide 12 regarding melting, formability and crystallization properties

Fabio Ippolito, Samuel Rentsch, Gunter Hübner, Tim Claypole Orcid Logo, Patrick Gane

Composites Part B: Engineering, Volume: 164, Pages: 158 - 167

Swansea University Author: Tim Claypole Orcid Logo

Abstract

Controlling and adjusting the thermal properties of a compound to improve the additive manufacturing process of a polymer matrix through selective laser sintering is of key importance to achieve an optimized final part density as well as hardness. In the past, the purpose of adding mineral fillers t...

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Published in: Composites Part B: Engineering
ISSN: 1359-8368
Published: 2019
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URI: https://cronfa.swan.ac.uk/Record/cronfa46049
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first_indexed 2018-11-22T20:19:28Z
last_indexed 2019-01-14T19:59:28Z
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spelling 2019-01-14T16:40:21.7654025 v2 46049 2018-11-22 Influence of calcium carbonate on polyamide 12 regarding melting, formability and crystallization properties 7735385522f1e68a8775b4f709e91d55 0000-0003-1393-9634 Tim Claypole Tim Claypole true false 2018-11-22 MECH Controlling and adjusting the thermal properties of a compound to improve the additive manufacturing process of a polymer matrix through selective laser sintering is of key importance to achieve an optimized final part density as well as hardness. In the past, the purpose of adding mineral fillers to polymers was primarily one of cost reduction. Today, however, fillers are more often used to fulfil a functional role, such as improved thermal or mechanical properties of the polymer composite [1]. In this study, the influence of calcium carbonate as a mineral filler particle on the thermal properties in compression-molded polyamide 12 was investigated. The particle size distribution and the filler amount within the polyamide 12 matrix were varied. The melt viscosity at 190 °C, the melting speed, melting and crystallization point as well as crystallization time at 170 and 172 °C were analyzed. A relationship between these properties and the implementation of a specific amount of calcium carbonate with a certain particle size distribution was observed. The study concludes, that the thermal and flow properties of a polyamide 12 matrix can potentially be manipulated to improve a laser thermal sintering process insofar as the layer melt can be optimized as well as the crystallization process speeded up. Journal Article Composites Part B: Engineering 164 158 167 1359-8368 Smart materials,Thermal properties, Thermal analysis, Sintering 31 12 2019 2019-12-31 10.1016/j.compositesb.2018.11.079 COLLEGE NANME Mechanical Engineering COLLEGE CODE MECH Swansea University 2019-01-14T16:40:21.7654025 2018-11-22T13:29:49.1829859 College of Engineering Engineering Fabio Ippolito 1 Samuel Rentsch 2 Gunter Hübner 3 Tim Claypole 0000-0003-1393-9634 4 Patrick Gane 5 0046049-22112018133127.pdf ippolito2018.pdf 2018-11-22T13:31:27.3500000 Output 3769268 application/pdf Accepted Manuscript true 2019-11-16T00:00:00.0000000 true eng
title Influence of calcium carbonate on polyamide 12 regarding melting, formability and crystallization properties
spellingShingle Influence of calcium carbonate on polyamide 12 regarding melting, formability and crystallization properties
Tim Claypole
title_short Influence of calcium carbonate on polyamide 12 regarding melting, formability and crystallization properties
title_full Influence of calcium carbonate on polyamide 12 regarding melting, formability and crystallization properties
title_fullStr Influence of calcium carbonate on polyamide 12 regarding melting, formability and crystallization properties
title_full_unstemmed Influence of calcium carbonate on polyamide 12 regarding melting, formability and crystallization properties
title_sort Influence of calcium carbonate on polyamide 12 regarding melting, formability and crystallization properties
author_id_str_mv 7735385522f1e68a8775b4f709e91d55
author_id_fullname_str_mv 7735385522f1e68a8775b4f709e91d55_***_Tim Claypole
author Tim Claypole
author2 Fabio Ippolito
Samuel Rentsch
Gunter Hübner
Tim Claypole
Patrick Gane
format Journal article
container_title Composites Part B: Engineering
container_volume 164
container_start_page 158
publishDate 2019
institution Swansea University
issn 1359-8368
doi_str_mv 10.1016/j.compositesb.2018.11.079
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 Controlling and adjusting the thermal properties of a compound to improve the additive manufacturing process of a polymer matrix through selective laser sintering is of key importance to achieve an optimized final part density as well as hardness. In the past, the purpose of adding mineral fillers to polymers was primarily one of cost reduction. Today, however, fillers are more often used to fulfil a functional role, such as improved thermal or mechanical properties of the polymer composite [1]. In this study, the influence of calcium carbonate as a mineral filler particle on the thermal properties in compression-molded polyamide 12 was investigated. The particle size distribution and the filler amount within the polyamide 12 matrix were varied. The melt viscosity at 190 °C, the melting speed, melting and crystallization point as well as crystallization time at 170 and 172 °C were analyzed. A relationship between these properties and the implementation of a specific amount of calcium carbonate with a certain particle size distribution was observed. The study concludes, that the thermal and flow properties of a polyamide 12 matrix can potentially be manipulated to improve a laser thermal sintering process insofar as the layer melt can be optimized as well as the crystallization process speeded up.
published_date 2019-12-31T04:00:13Z
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