Tensile behavior analysis combined with digital image correlation and mechanical and thermal properties of microfibrillated cellulose fiber/ polylactic acid composites

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Autor(es): dc.contributormailto:luizquimica@gmail.com-
Autor(es): dc.contributormailto:monica.janaine@gmail.com-
Autor(es): dc.contributormailto:rosemirandaleao@gmail.com-
Autor(es): dc.contributormailto:lvrossa@yahoo.com.br-
Autor(es): dc.contributormailto:ademirjzattera@gmail.com-
Autor(es): dc.contributormailto:anflor@unb.br-
Autor(es): dc.contributormailto:doca@unb.br-
Autor(es): dc.contributormailto:sandraluz@unb.br-
Autor(es): dc.creatorJesus, Luiz Carlos Correia de-
Autor(es): dc.creatorOliveira, Janaíne Mônica de-
Autor(es): dc.creatorLeão, Rosineide Miranda-
Autor(es): dc.creatorBeltrami, Lílian R.-
Autor(es): dc.creatorZattera, Ademir José-
Autor(es): dc.creatorAnflor, Carla Tatiana Mota-
Autor(es): dc.creatorDoca, Thiago de Carvalho Rodrigues-
Autor(es): dc.creatorLuz, Sandra Maria da-
Data de aceite: dc.date.accessioned2024-07-22T11:48:51Z-
Data de disponibilização: dc.date.available2024-07-22T11:48:51Z-
Data de envio: dc.date.issued2022-08-23-
Data de envio: dc.date.issued2022-08-23-
Data de envio: dc.date.issued2022-06-08-
Fonte completa do material: dc.identifierhttps://repositorio.unb.br/handle/10482/44624-
Fonte completa do material: dc.identifierhttps://doi.org/10.1016/j.polymertesting.2022.107665-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/789397-
Descrição: dc.descriptionMicrofibrillated cellulose (MFC) employed as reinforcement of polymeric matrices can increase elastic modulus, stiffness and strength of a composite. In this work, the assessment of the mechanical, thermal properties and tensile tests assisted by digital image correlation (DIC) was performed for curaua fiber MFC-reinforced polylactic acid (PLA) composites as a function of MCF content. First, MFC was incorporated into PLA using a solvent exchange technique and subsequent polymer solubilization to produce master batch composites. Then, more PLA was added to obtain composites with 0.5 and 1.5 wt% MFC by using double screw extrusion and injection molding. As a result, the addition of MFC caused the flexural, tensile, indentation, impact and modulus strengths to increase compared to those of pure PLA. The deformation gradient obtained from DIC verified that the 0.5 wt % MFC/PLA composite presented greater homogeneity in relation to load dispersion, corroborating the higher rigidity, maximum stress, and Poisson’s ratio.-
Formato: dc.formatapplication/pdf-
Publicador: dc.publisherElsevier-
Relação: dc.relationhttps://www.sciencedirect.com/science/article/pii/S014294182200188X?via%3Dihub-
Direitos: dc.rightsAcesso Aberto-
Direitos: dc.rightsThis is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Fonte: https://www.sciencedirect.com/science/article/pii/S014294182200188X?via%3Dihub. Acesso em: 23 ago. 2022.-
Palavras-chave: dc.subjectCelulose microfibrilada-
Palavras-chave: dc.subjectCurauá-
Palavras-chave: dc.subjectÁcido polilático-
Palavras-chave: dc.subjectCompósitos poliméricos-
Título: dc.titleTensile behavior analysis combined with digital image correlation and mechanical and thermal properties of microfibrillated cellulose fiber/ polylactic acid composites-
Aparece nas coleções:Repositório Institucional – UNB

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