Navegando por Autor "SANTOS, Manfrine Silva"

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Biocomposite from polyester reinforced with licuri leaves fiber (Syagrus coronata)
(INSTITUTO DE TECNOLOGIA, 2015) SANTOS, Manfrine Silva; LOPES, Raimundo Valdan Pereira; LEITE, Jandecy Cabral; AFONSO, Marcus Roberto Binda; HERMENEGILDO, Eleodoro Rodriguez; MAGALHÃES, Edilson Marques
The aim of this paper is the evaluation of the mechanical properties of polyester composites reinforced with Licuri fibers by tensile testing using a manual process with minimal technological steps to obtain a technically viable material. Fibers were characterized by mass fraction and surface morphology via scanning electron microscopy. Results showed that tensile strength increased with fiber length, indicating potential viability despite the relatively low mass fractions compared to other studies.
BIOCOMPÓSITO DE POLIÉSTER REFORÇADOS COM A FIBRA DA FOLHA DE LICURI (Syagros coronata)
(Universidade Federal do Pará, 2014) SANTOS, Manfrine Silva; FUJIYAMA, Roberto Tetsuo
The northeastern hinterland is endowed with rich flora and abundant thus making a major supplier of plants provides the development of new polymeric composites. This dissertation aimed to the evaluation of the mechanical properties of composites reinforced by polyester fibers Licuri using a whole manual process, in order to provide the making of the material with the lowest possible technological level, thus becoming a totally viable material. The fibers were randomly dispersed in the composite, and the matrix used was pre-accelerated terephthalic polyester with cobalt naphthenate and cured at room temperature with methyl ethyl ketone peroxide (MEK) in a ratio of 0.33% (v / v). The results showed that the tensile strength increased with fiber length (5mm - 13.47 MPa, 10mm - 14.5 MPa and 15mm - 16.97 MPa), demonstrating that the investigated composites are potentially viable.