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Manufacturing Multi-Matrix Composites: Out-of-Vacuum Bag Consolidation.

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Title: Manufacturing Multi-Matrix Composites: Out-of-Vacuum Bag Consolidation.
Authors: Radhakrishnan, Arjun1 arjun.radhakrishnan@bristol.ac.uk, Georgillas, Ioannis2 i.georgilas@bath.ac.uk, Hamerton, Ian1 ian.hamerton@bristol.ac.uk, Shaffer, Milo S. P.3 m.shaffer@imperial.ac.uk, Ivanov, Dmitry S.1 dmitry.ivanov@bristol.ac.uk
Source: Journal of Manufacturing Science & Engineering. Nov2023, Vol. 145 Issue 11, p1-10. 10p.
Subjects: Manufacturing processes, Fibrous composites, Porosity
Abstract: The formation of porosity is a major challenge in any composite manufacturing process, particularly in the absence of vacuum assistance. Highly localized injection of polymer matrix into regions of interest in a dry preform is a route to manufacturing multi-matrix fiber-reinforced composites with high filler concentrations, which are otherwise difficult to achieve. Unlike traditional composites, such multi-matrix fiber-reinforced composite systems, which combine multiple resins in continuous form, offer improved structural performance around stress concentrators and multifunctional capabilities. As the process lacks vacuum assistance, porosity becomes a primary issue to be addressed. This paper presents a rheo-kinetic coupled rapid consolidation procedure for optimizing the quality of localized matrix patches. The procedure involves manufacturing trials and analytical consolidation models to determine the best processing program for minimal voidage in the patch. The results provide a step toward an efficient manufacturing process for the optimal design of multi-matrix composites without the need for complex vacuum bag arrangements, thus reducing cost and time while opening avenues to improve overall composite performance. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Manufacturing Science & Engineering is the property of American Society of Mechanical Engineers and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Manufacturing Multi-Matrix Composites: Out-of-Vacuum Bag Consolidation.
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  Data: <searchLink fieldCode="AR" term="%22Radhakrishnan%2C+Arjun%22">Radhakrishnan, Arjun</searchLink><relatesTo>1</relatesTo><i> arjun.radhakrishnan@bristol.ac.uk</i><br /><searchLink fieldCode="AR" term="%22Georgillas%2C+Ioannis%22">Georgillas, Ioannis</searchLink><relatesTo>2</relatesTo><i> i.georgilas@bath.ac.uk</i><br /><searchLink fieldCode="AR" term="%22Hamerton%2C+Ian%22">Hamerton, Ian</searchLink><relatesTo>1</relatesTo><i> ian.hamerton@bristol.ac.uk</i><br /><searchLink fieldCode="AR" term="%22Shaffer%2C+Milo+S%2E+P%2E%22">Shaffer, Milo S. P.</searchLink><relatesTo>3</relatesTo><i> m.shaffer@imperial.ac.uk</i><br /><searchLink fieldCode="AR" term="%22Ivanov%2C+Dmitry+S%2E%22">Ivanov, Dmitry S.</searchLink><relatesTo>1</relatesTo><i> dmitry.ivanov@bristol.ac.uk</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Manufacturing+Science+%26+Engineering%22">Journal of Manufacturing Science & Engineering</searchLink>. Nov2023, Vol. 145 Issue 11, p1-10. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Manufacturing+processes%22">Manufacturing processes</searchLink><br /><searchLink fieldCode="DE" term="%22Fibrous+composites%22">Fibrous composites</searchLink><br /><searchLink fieldCode="DE" term="%22Porosity%22">Porosity</searchLink>
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  Data: The formation of porosity is a major challenge in any composite manufacturing process, particularly in the absence of vacuum assistance. Highly localized injection of polymer matrix into regions of interest in a dry preform is a route to manufacturing multi-matrix fiber-reinforced composites with high filler concentrations, which are otherwise difficult to achieve. Unlike traditional composites, such multi-matrix fiber-reinforced composite systems, which combine multiple resins in continuous form, offer improved structural performance around stress concentrators and multifunctional capabilities. As the process lacks vacuum assistance, porosity becomes a primary issue to be addressed. This paper presents a rheo-kinetic coupled rapid consolidation procedure for optimizing the quality of localized matrix patches. The procedure involves manufacturing trials and analytical consolidation models to determine the best processing program for minimal voidage in the patch. The results provide a step toward an efficient manufacturing process for the optimal design of multi-matrix composites without the need for complex vacuum bag arrangements, thus reducing cost and time while opening avenues to improve overall composite performance. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Journal of Manufacturing Science & Engineering is the property of American Society of Mechanical Engineers and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1115/1.4063091
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      – Code: eng
        Text: English
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        Type: general
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      – SubjectFull: Porosity
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            – D: 01
              M: 11
              Text: Nov2023
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              Y: 2023
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