Experimental investigation of transverse permeability applied to liquid molding
Source abstract
Abstract
The study of transverse permeability of fibrous reinforcements has become increasingly important when liquid‐molding processes started being more widely employed to obtain more complex‐shaped or thick parts. In this paper, a system has been specially built to measure transverse permeability of fabrics with different characteristics based on the correlation between pressure difference and flow rate. Influence of preform thickness and working fluid on permeability was initially evaluated to validate the measurements. Next, the effect of fiber type and fiber volume fraction on permeability was investigated. In‐plane permeability of the reinforcements was also measured to study the relative importance between in‐plane and transverse permeabilities within a fiber content range, which varied differently for the various reinforcements. The results were discussed with the aid of fiber compaction experiments and micrographs. POLYM. COMPOS., 40:3938–3946, 2019. © 2019 Society of Plastics Engineers
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Research context
OpenAlex topics: Epoxy Resin Curing Processes · Composite Material Mechanics · Mechanical Behavior of Composites
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Federal University of Rio Grande do Sul, UFRGS Porto Alegre Rio Grande do Sul Brazil
Federal University of Rio Grande, FURG Rio Grande Rio Grande do Sul Brazil
Funding
Conselho Nacional de Desenvolvimento Científico e Tecnológico · Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
References (14)
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