EXPERIMENTAL STUDY ON THE EFFECT OF CARBON BLACK ON MECHANICAL PROPERTIES OF MORTAR SAMPLES

Today, the methods of recovering finished tires are becoming more and more widespread. Recycling of finished tires is done for various sizes from full to dust-free. The pyrolysis method, which is used in the recovery of the finished tires, has become an interesting topic in recent years. Pyrolysis is the process of thermal decomposition of organic materials in an oxygen-free environment after heating at high temperatures (500-1000 °C). The mixture of carbon black and steel wire obtained as a result of the pyrolysis process is separated by magnets and steel wires are sent to the waste wire collection pool and carbon black is sent to the grinding and packaging unit to be bagged to the appropriate size. The "Pyrolysis Carbon Black" (CB) product, which is reduced to an average of 30-40 μ after grinding, is bagged and ready for sale. Carbon black, which is the result of pyrolysis process, is much more economical than carbon black, so it is very suitable to be used as filler and additive material in certain production areas. Carbon black; It is used in different industrial branches as cable, conveyor belt, conveyor belts, hose, mop, black bag, mixture with rubber paste, auto spare parts, heat insulation, paint material in rubber materials, base material, plastic and fire extinguisher. In this study, carbon black was added as an additive to the produced mortar samples of size 40x40x160 mm. Five different blends were made, unadulterated and with 10 g, 20 g, 30 g, 40 g carbon black adjuvant. Three samples were prepared from each mixture. The effect of carbon black was examined by performing pressure test and bending test on the mortar samples.