STUDYING THE MECHANICAL PROPERTIES OF UNSATURATED POLYESTERS - B4C SYSTEM

Abstract

In this investigation, the composite material was prepared which was consist of polyester as the matrix and B4C as additive material with grain size equal to25μm with different weight fractions (10%,20%,30%,40%,50%). This investigation was done into two stages: the first stage is to produce the composite material, while the second stage is to test the new material which includes tensile test, hardness and microstructure evaluation. Also photomicrographs were taken by ordinary microscope. The results showed that obviously improvement in properties of the new composite material especially at weight fraction of (40% , 50%).