Application of Calcium Carbonate in Resin Transfer Molding Process

de Oliveira, Iran Rodrigues; Amico, Sandro Campos; Barcella, Rodrigo; de Lima, Antonio Gilson Barbosa
June 2014
Defect & Diffusion Forum;2014, Vol. 353, p39
Academic Journal
Resin Transfer Molding (RTM) is one of the most widely known composite manufacturing techniques of the liquid molding family, being e×tensively studied and used to obtain advanced composite materials comprised of fibers embedded in a thermoset polymer matri×. Nowadays, RTM is used by many industrial sectors such as automotive, aerospace, civil and sporting equipment. Therefore, the objective of this study is to verify the effect of calcium carbonate mi×ed in resin in the RTM process. Several rectilinear infiltration e×periments were conducted using glass fiber mat molded in a RTM system with cavity dimensions of 320 × 150 × 3.6 mm, room temperature, ma×imum injection pressure 0.202 bar and different content of CaCO3 (10 and 40%) with particle size of 75μm. The results show that the use of filled resin with CaCO3 influences the preform impregnation during the RTM molding, changing the filling time and flow from position, however it is possible to make the composite with a good quality and low cost.


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