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Inicio Science and Tecnology of Materials Failure analysis of E-glass reinforced PMMA using XFEM
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Vol. 30. Issue S1.
Pages 34-50 (December 2018)
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Vol. 30. Issue S1.
Pages 34-50 (December 2018)
DOI: 10.1016/j.stmat.2018.11.002
Failure analysis of E-glass reinforced PMMA using XFEM
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A.O. Marcelo Juniora,
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oliveira_marcelo@uvanet.br

Corresponding author.
, R.C. Salesb, F.Y.R. Osternob, K.F. Timbób, S.M.L. da Silvab, E.P. de Deusc
a University Vale do Acaraú, Center of Exact and Technological Sciences, Av. Dr. Guarani, 317, CIDAO Campus, Sobral-CE 62.040-370, Brazil
b Center of Exact and Technological Sciences, State University Vale do Acaraú, Av. Dr. Guarani, 317, CIDAO Campus, Sobral-CE 62.040-370, Brazil
c Department of Metallurgical and Materials Engineering, Federal University of Ceará, Campus Pici, Block 729 – Pici, Fortaleza – CE 60020-181, Brazil
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Figures (31)
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Tables (8)
Table 1. Uniaxial traction test results.
Table 2. Characteristics of numerical models regarding the relation a/w.
Table 3. Composite materials mechanical properties and fracture criteria.
Table 4. Relation Kcalc and Ktheoretical for models with relation a/w=0.10.
Table 5. Relation Kcalc and Ktheoretical for models with relation a/w=0.15.
Table 6. Relation Kcalc and Ktheoretical for models with relation a/w=0.20.
Table 7. Relation Kcalc and Ktheoretical for models with relation a/w=0.25.
Table 8. Relation Kcalc and Ktheoretical for models with relation a/w=0.30.
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Abstract

The knowledge of the characteristics and behavior of the composite material is of great importance, bearing in mind of its wide application besides serving as a parameter for identification of possible problems caused by material degradation, avoiding that greater damages could irreversibly damage the composite. In this way, the present work makes an analysis of the mechanisms of failure of the polymeric composite PMMA (polymethylmethacrylate) reinforced with fiberglass. And, using experimental data obtained in the laboratory and simulating the behavior of the material in the software Abaqus through the implementation of the tool XFEM (Xtended Finite Elements Mode) in Loading Mode I, which analyzes fissures generated by fields of discontinuities without the need to constantly update the mesh, allowing to observe the critical stresses acting on the fiber/matrix interface.

Keywords:
Composite
Degradation
XFEM
Behavior
Mesh

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