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Title: Anisotropy and holes in epoxy composite reinforced by carbon/glass and carbon/aramid hybrid fabrics: experimental and analytical results
Authors: Batista, Ana Cláudia Melo Caldas
Tinô, Sérgio Renan Lopes
Fontes, Raphael Siqueira
Nóbrega, Selma Hissae Shimura da
Aquino, Eve Maria Freire de
Keywords: Fabricsx;Analytical modeling;Analytical modeling;Epoxy vinyl ester resin
Issue Date: 15-Sep-2017
Publisher: Elsevier
Citation: BATISTA, A.C.M.C. ; TINÔ, S.R.L. ; FONTES, S.R. ; NÓBREGA, S.H.S. ; AQUINO, E.M.F. . Anisotropy and holes in epoxy composite reinforced by carbon/glass and carbon/aramid hybrid fabrics: Experimental and analytical results. COMPOSITES PART B-ENGINEERING, v. 125, p. 9-18, 2017. Disponível em: Acesso em: 21 jan. 2021.
Portuguese Abstract: This study is based on research into the effect of anisotropy and the presence of holes on mechanical properties and final fracture characteristics in uniaxial tensile testing of two laminates, one using a carbon/glass fiber hybrid fabric and the other a carbon/aramid fiber hybrid fabric in loading directions at 0°, 90° and ±45°. Both laminates were impregnated with epoxy vinyl ester thermosetting resin (Derakane Momentum™ 411-350). An analytical study assesses stress concentration using the Point Stress Criterion (PSC) and Average Stress Criterion (ASC). The results show the direct influence of anisotropy, holes and residual properties on all the parameters studied. With respect to failure theories, both PSC and ASC showed good agreement when the geometric K value was used
ISSN: 1359-8368
Appears in Collections:CT - DCIV - Artigos publicados em periódicos

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