OBRABOTKA METALLOV

Abstract
An analysis of modern trends in the area of metal processing shows that at the moment the diamond tool is at the peak of its popularity. It can be confirmed by the fact that the diamond tools are stay ahead in the number of search queries on the Internet. It leaves behind tool made of cubic boron nitride, silicon carbide and green silicon carbide. Moreover, there is a tendency on the steady increase of interest to the diamond grinding wheel in the metal processing industry and mechanical engineering complex. This popularity is due to the fact that manufacturing based on the latest research learned how to effectively use the tools of synthetic diamond. However, experience shows that almost every diamond has various defects that have a characteristic influence on its destruction and deterioration that should be considered in the operation of devices and products containing diamonds. Defects occur in diamond crystals during its synthesis, give rise to the formation of more complex defects that occur in the operational process of diamonds. Under external influence these defects have immediate strong effect on production characteristics of devices, products or instruments containing diamonds. The analysis of the scanning electron microscopy images shows that even on the surface of the diamond grains and on their edges that are not involved in the process of cutting, there are typical traces of lattice disturbance both on micro and macro levels. This indicates that disturbance of the diamond grains usually happens due to bulk defects, which have a length of several nanometers to micrometers, and represent blocks of the crystal lattice, between which cracks and cracks are usually filled with metallic inclusions. A visualization method, developed on the basis of modern digital technology and molecular dynamics, shows it for atomic-scale.

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