Injection moulding of ‘Spheritet’ component for concrete reinforcement

Sweeney, John, Thompson, Glen, Whiteside, Ben, Jefferson, Anthony ORCID: https://orcid.org/0000-0002-2050-2521, Gardner, Diane ORCID: https://orcid.org/0000-0002-2864-9122, Davies, Robert ORCID: https://orcid.org/0000-0001-5949-4939, Balzano, Brunella ORCID: https://orcid.org/0000-0001-7868-8835, Maddalena, Riccardo ORCID: https://orcid.org/0000-0001-6251-3782 and Tuinea-Bobe, Cristina-Luminita 2021. Injection moulding of ‘Spheritet’ component for concrete reinforcement. Presented at: Resilient Materials 4 Life 2020 (RM4L2020) International Conference, Online/Cardiff, 20-22 Sept 2021. Published in: Maddalena, Riccardo ORCID: https://orcid.org/0000-0001-6251-3782 and Wright-Syed, Muaaz eds. Proceedings Resilient Materials 4 Life 2020 (RM4L2020). Cardiff: Cardiff University, pp. 302-305.

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Abstract

A tetrahedral component was designed to act as concrete reinforcement. The component named ‘Spheritet’ aims to prevent crack formation due to its geometry. The component was initially manufactured by 3D printing, a manufacturing method not suitable for mass production and limited due to the material choices. In order to mass-produce the device via injection moulding a mould tool was required. The difficulty of mould design rests with the component’s open structure and lack of symmetry planes. The paper will detail the design procedure and the manufacturing procedure of the ‘Spheritet’. Furthermore, the material selection is closely related with the application: the ‘Spheritet’ needs to be of sufficient strength to resist cracks and to withstand the concrete mixing step, while being inert chemically during this process. Two glass filled materials were tested for this purpose and met the specifications.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Engineering
Additional Information:	01/08/2021 date of acceptance provided
Publisher:	Cardiff University
ISBN:	978-1-3999-0832-0
Funders:	EPSRC
Date of Acceptance:	1 August 2021
Last Modified:	24 Jul 2023 15:07
URI:	https://orca.cardiff.ac.uk/id/eprint/158130

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