The results of research on diamond segments made on metallic binders and on synthetic - resin binders for granite surface grinding are presented. The results of investigations of hardness of abrasive segments were determined by the Brinell method for metallic and Shore segments (D) for segments on synthetic binders. The hardness of the segments affects the ability to hold the diamond grain in the binder, which is related to the wear of the abrasive segments during their work. Tribological tests of their wear during operation (in given research cycles) for which the weight losses of abrasive segments in the process of grinding the granite surface with hardness of 7 Mohs, with constant kinematic parameters and constant pressure were determined. The results of microscopic analysis of working surfaces of the tested segments were presented in order to determine the ability to hold diamond grain in a segment matrix, using a Nikon Eclipse MA200 microscope.Keywords: Diamond abrasive segments, hardness tests, tribological tests, abrasive wear
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