Eventos Anais de eventos
MECSOL 2019
7th International Symposium on Solid Mechanics
Investigation on Flexural Properties of Cotton Fiber/Polyurethane Laminate Composite with Alumina Thi-Hydrate
Submission Author:
Amanda Silva , RS
Co-Authors:
Amanda Silva, Romeu Rony Cavalcante da Costa, Sandra Mara Domiciano, Enio Henrique Pires da Silva
Presenter: Enio Henrique Pires da Silva
doi://10.26678/ABCM.MECSOL2019.MSL19-0093
Abstract
The present work aims to evaluate the mechanical behavior of the composite of polyurethane derived from a vegetal oils blend (PU) reinforced with cotton fiber fabric (CF) and with addition of Alumina Trihydrate (ATH). The manufacturing process that was used to produce the laminate in a study with different orientations of the fibers (from 0º, ± 45º, 90º) was the vacuum bag. For comparison and study purposes, were tested the neat PU, PU with addition of ATH (PU + ATH) and the laminate of PU reinforced with cotton fiber fabric and ATH. The mechanical behavior under flexural tests were evaluated. For the composite of PU+ATH+ 7CF-0° (64.45 MPa and 3.473 GPa), the flexural strength was increased compared to a non-reinforced polymer matrix, PU+ATH (48.73 MPa and 2.259 GPa). With the variation of fiber orientation there was variation of the maximum flexural stress and flexural modulus, as expected.
Keywords
Composite, Polyurethane, cotton fiber, laminate, flexural properties
