In situ resin age assessment using dielectric analysis and resin cure map for efficient vacuum infusion

The physical state of epoxy resin designed for vacuum infusion was assessed in situ by immersing a dielectric sensor into the resin pot. The measured ion viscosity of aged resin was directly converted to a degree-of-cure metric using a resin cure map constructed by correlating cure kinetics and diel...

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Autores principales:	Jung Hwan Shin, Steven Nutt
Formato:	article
Lenguaje:	EN
Publicado:	Taylor & Francis Group 2020
Materias:	cure behavior process simulation process monitoring vacuum infusion Polymers and polymer manufacture TP1080-1185 Automation T59.5
Acceso en línea:	https://doaj.org/article/55bf05d41639498ebc86ff3f47935251
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spelling	oai:doaj.org-article:55bf05d41639498ebc86ff3f479352512021-12-02T12:03:53ZIn situ resin age assessment using dielectric analysis and resin cure map for efficient vacuum infusion2055-035910.1080/20550340.2020.1834790https://doaj.org/article/55bf05d41639498ebc86ff3f479352512020-10-01T00:00:00Zhttp://dx.doi.org/10.1080/20550340.2020.1834790https://doaj.org/toc/2055-0359The physical state of epoxy resin designed for vacuum infusion was assessed in situ by immersing a dielectric sensor into the resin pot. The measured ion viscosity of aged resin was directly converted to a degree-of-cure metric using a resin cure map constructed by correlating cure kinetics and dielectric analysis data. Next, an age-adjusted infusion process map was employed to define a nominal infusion window and to identify key process metrics. Finally, process simulations and flow contour maps were used to validate and refine the process map and to guide adjustment of infusion process parameters based on resin age and part size/geometry. The study describes a pathway to more efficient use of aged resin using in situ process diagnostics, cure map design, and process simulation. The methodology employed to evaluate resin age and to adjust process parameters accordingly can be extended to other composite manufacturing processes, including conventional prepreg processing.Jung Hwan ShinSteven NuttTaylor & Francis Grouparticlecure behaviorprocess simulation process monitoringvacuum infusionPolymers and polymer manufactureTP1080-1185AutomationT59.5ENAdvanced Manufacturing: Polymer & Composites Science, Vol 6, Iss 4, Pp 212-225 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	cure behavior process simulation process monitoring vacuum infusion Polymers and polymer manufacture TP1080-1185 Automation T59.5
spellingShingle	cure behavior process simulation process monitoring vacuum infusion Polymers and polymer manufacture TP1080-1185 Automation T59.5 Jung Hwan Shin Steven Nutt In situ resin age assessment using dielectric analysis and resin cure map for efficient vacuum infusion
description	The physical state of epoxy resin designed for vacuum infusion was assessed in situ by immersing a dielectric sensor into the resin pot. The measured ion viscosity of aged resin was directly converted to a degree-of-cure metric using a resin cure map constructed by correlating cure kinetics and dielectric analysis data. Next, an age-adjusted infusion process map was employed to define a nominal infusion window and to identify key process metrics. Finally, process simulations and flow contour maps were used to validate and refine the process map and to guide adjustment of infusion process parameters based on resin age and part size/geometry. The study describes a pathway to more efficient use of aged resin using in situ process diagnostics, cure map design, and process simulation. The methodology employed to evaluate resin age and to adjust process parameters accordingly can be extended to other composite manufacturing processes, including conventional prepreg processing.
format	article
author	Jung Hwan Shin Steven Nutt
author_facet	Jung Hwan Shin Steven Nutt
author_sort	Jung Hwan Shin
title	In situ resin age assessment using dielectric analysis and resin cure map for efficient vacuum infusion
title_short	In situ resin age assessment using dielectric analysis and resin cure map for efficient vacuum infusion
title_full	In situ resin age assessment using dielectric analysis and resin cure map for efficient vacuum infusion
title_fullStr	In situ resin age assessment using dielectric analysis and resin cure map for efficient vacuum infusion
title_full_unstemmed	In situ resin age assessment using dielectric analysis and resin cure map for efficient vacuum infusion
title_sort	in situ resin age assessment using dielectric analysis and resin cure map for efficient vacuum infusion
publisher	Taylor & Francis Group
publishDate	2020
url	https://doaj.org/article/55bf05d41639498ebc86ff3f47935251
work_keys_str_mv	AT junghwanshin insituresinageassessmentusingdielectricanalysisandresincuremapforefficientvacuuminfusion AT stevennutt insituresinageassessmentusingdielectricanalysisandresincuremapforefficientvacuuminfusion
_version_	1718394690186772480

In situ resin age assessment using dielectric analysis and resin cure map for efficient vacuum infusion

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