Effect of The Filler Type and Particle Distribution Changes on Polyester Matrix Composites

Year 2021, , 1009 - 1019, 30.08.2021

Şevki Eren , Serkan Subaşı

https://doi.org/10.16984/saufenbilder.781256

Abstract

In this study, the effect of the usage of additives at different initiator ratios as well as the usage of fillers of different types and different grain distributions on resin consumption and compressive strength of polyester matrix composites were investigated. Orthophthalic unsaturated polyester resin (UP) was used as a matrix. The initiator (methyl ethyl ketone peroxide) at the ratio of 1.0%, 1.5%, and 2.0% and the accelerator (cobalt octoate) at the ratio of 1.0% by weight was used to start the polymerization. Silica, basalt, and quartz sand were used as the filler type. All fillings used in the study were prepared in the grain size distribution of the American Foundry Society (AFS 40-45) and in the grain size distribution determined by reference to the Fuller equation (F 1.0). Resin consumption and pressure resistances of produced composites were determined, and SEM analyses were carried out. As a result of the study, in all filled composites, the minimum resin consumption was achieved at a starting rate of 1.0%. The highest compressive strength was determined as 130.43 MPa in the basalt filled composite and in the AFS40-45 grain distribution.

Keywords

Polyester matrix composites,, filler grain distribution, resin consumption, fuller equation, American foundry society

Project Number

5140058

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