Damage Analysis and a Novel Mathematical Relation Between the Interface Quality and the Impact Fracture Energy for Epoxy Composites Reinforced with Medium and High Ramie Woven Fabric Volume Fractions.

Marcelo Vitor Ferreira Machado, Felipe Perissé Duarte Lopes, Noan Tonini Simonassi, Eduardo Atem de Carvalho, Carlos Maurício Fontes Vieira, Sergio Neves Monteiro

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Article in Polymers, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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6 authors.

Marcelo Vitor Ferreira MachadoMechanical Engineering Department, Fluminense Federal Institute (IFF) and Nucleus of Studies in Applied Thermomechanics, Campos dos Goytacazes 28030-130, RJ, Brazil.ORCID 0000-0001-7750-4993

Felipe Perissé Duarte LopesAdvanced Materials Laboratory (LAMAV), Materials Science Department, State University of Northern Rio de Janeiro (UENF), Campos dos Goytacazes 28013-602, RJ, Brazil.ORCID 0000-0003-1867-6722

Noan Tonini SimonassiAdvanced Materials Laboratory (LAMAV), Materials Science Department, State University of Northern Rio de Janeiro (UENF), Campos dos Goytacazes 28013-602, RJ, Brazil.ORCID 0000-0002-3571-5001

Eduardo Atem de CarvalhoAdvanced Materials Laboratory (LAMAV), Materials Science Department, State University of Northern Rio de Janeiro (UENF), Campos dos Goytacazes 28013-602, RJ, Brazil.ORCID 0000-0001-8141-7518

Carlos Maurício Fontes VieiraAdvanced Materials Laboratory (LAMAV), Materials Science Department, State University of Northern Rio de Janeiro (UENF), Campos dos Goytacazes 28013-602, RJ, Brazil.

Sergio Neves MonteiroAdvanced Materials Laboratory (LAMAV), Materials Science Department, State University of Northern Rio de Janeiro (UENF), Campos dos Goytacazes 28013-602, RJ, Brazil.ORCID 0000-0003-1208-1234

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A literature review about polymer composites reveals that natural fibers have been widely used as a reinforcement phase in recent years. In this framework, the lignocellulosic fibers have received marked attention because of their environmental, thermomechanical, and economic advantages for many industrial sectors. This research aims to identify the impact behavior of ramie reinforced epoxy composites with medium- and high-volume fractions of fibers in intact (nonaged) and aged conditions as well as to analyze if the influence of interface quality on the impact fracture energy can be described by a novel mathematical model. To reach these objectives, the study is designed with three groups (40%, 50%, and 60% of fiber theoretical volume fractions) of intact specimens and three groups of aged samples by condensation and ultraviolet radiation (C-UV) simulation containing the same fiber percentages. Consecutively, impact strength and fracture surface analyses are done to expand the comprehension of the damage mechanisms suffered by the biocomposites and to support the development of the mathematical relation. Certainly, this novel model can contribute to more sustainable and greener industries in the near future.

Indexed as

damage analysisimpact fracture energyinterface qualitynatural fiber polymer composite

Identifiers

PMID40808153

DOI10.3390/polym17152105

PMCPMC12349572

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