Reinforcement materials

Reinforcement materials

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In the present work, the main objective is to characterize the mechanical properties of composites materials such as epoxy resin reinforced with carbon fiber and polyurethane foam (ER-CP), epoxy resin reinforced with carbon fiber and aluminum honeycomb (ER-CA), and polyester resin reinforced with glass fiber and polyurethane foam (PR-GP), that will...

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... sandwich-structured composite is chosen on the bases of material properties. The reinforcement and core materials acquired for the construction of the specimens are the carbon fiber Fig.1(a) hat is made up of fine carbon composite filaments, the glass fiber Fig. 1(b) consists of numerous polymeric filaments based on silicon dioxide are used as reinforcement and the aluminum honeycomb Fig. 1(c) is constructed by honeycomb aluminum panels used as the core. ...
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... sandwich-structured composite is chosen on the bases of material properties. The reinforcement and core materials acquired for the construction of the specimens are the carbon fiber Fig.1(a) hat is made up of fine carbon composite filaments, the glass fiber Fig. 1(b) consists of numerous polymeric filaments based on silicon dioxide are used as reinforcement and the aluminum honeycomb Fig. 1(c) is constructed by honeycomb aluminum panels used as the core. Other materials such as isocyanate and polyol are chemical compounds used to make polyurethane foam, the 856 polyester resin is the main compound ...
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... on the bases of material properties. The reinforcement and core materials acquired for the construction of the specimens are the carbon fiber Fig.1(a) hat is made up of fine carbon composite filaments, the glass fiber Fig. 1(b) consists of numerous polymeric filaments based on silicon dioxide are used as reinforcement and the aluminum honeycomb Fig. 1(c) is constructed by honeycomb aluminum panels used as the core. Other materials such as isocyanate and polyol are chemical compounds used to make polyurethane foam, the 856 polyester resin is the main compound of the polyester matrix, the Mek (methyl ethyl ketone) is the catalyst for polyester resin and the styrene is used that serves to ...
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... failure mode of 5 specimens under flexural test of the composite sandwich for the ER-CA, ER-CP and PR-GP shown in the Fig.9.The results of the experiments shown the relation of the flexion stress vs unitary deformation is observed in the Fig. 10, Fig.11 and Fig. 12. The ER-CA has more stress than deformation on the elastic zone, the PR-GP has the intermediate value on the deformation -stress. Lastly, the material with the lowest results respecting stress and deformation is the ER-CP. ...
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... µí°¸íµí°¸í µí±– = í µí°¸íµí°¸í µí±’ − í µí°¸íµí°¸í µí±“ (6) í µí°¼ í µí± = í µí°¸íµí°¸í µí±– í µí±¡ (7) Fig. 13 (a) shows the comparison of typical average absorbed energy by group of materials, the PR-GP is the material that most absorbed energy of all. From Fig. 13 (b) explains the comparison of the average impact resistance by group of materials is observed, PR-GP is the material with the highest resistance to impact among the other materials. ...
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... µí°¸íµí°¸í µí±– = í µí°¸íµí°¸í µí±’ − í µí°¸íµí°¸í µí±“ (6) í µí°¼ í µí± = í µí°¸íµí°¸í µí±– í µí±¡ (7) Fig. 13 (a) shows the comparison of typical average absorbed energy by group of materials, the PR-GP is the material that most absorbed energy of all. From Fig. 13 (b) explains the comparison of the average impact resistance by group of materials is observed, PR-GP is the material with the highest resistance to impact among the other materials. There is a perceptual increasing in both properties of 28.6% regarding the ER-CA and a perceptual increasing of 41.5% regarding the ER-CP. ...
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... the Fig. 14 (a) it is observable that ER-CA is the material with the best properties according to the three-point flexure test and the PR-GP presents the best relation between impact energy absorbed, the impact resistance, and elaboration besides, and the Fig. 14 (b) the costs for minimum quantities of raw material that are available in the market are ...
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... the Fig. 14 (a) it is observable that ER-CA is the material with the best properties according to the three-point flexure test and the PR-GP presents the best relation between impact energy absorbed, the impact resistance, and elaboration besides, and the Fig. 14 (b) the costs for minimum quantities of raw material that are available in the market are U$D 21.17, making this material the cheapest material to elaborate, thus the most suitable composite material for use in an electric sports vehicle in academic competitions is PR-GP. The selection methodology for materials elaboration and processes by ...

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