Abstract
The wear of functional components of rock-crushing tools with composite diamond-containing materials (DCM) based on a metal binder sintered by resistive electrosintering under pressure in the process of grinding of sandstone from the Torez deposit is studied. A characteristic named the degree of reinforcing of the working surface of the DCM functional components is proposed, which is determined from the ratio of the total area of the diamond cutting grains to the area of the working surface of the functional component. The dependence of the intensity of wear of DCM functional components on the degree of diamond reinforcement of their working surfaces is plotted. During the tests, rock destruction products and wear (sludge) fragments of DCM functional components are collected and analyzed using digital image processing tools, as a result of which morphometric characteristics of the sludge as a function of the degree of reinforcement of the DCM component working surfaces with diamond grains are obtained. Using the colorimetry method, metal binder fragments of the DCM are isolated from the total mass of sludge and their size distribution is determined. The results of morphometric analyses of the wear products of the diamond-containing composite tool and the rock destruction products are given.
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Translated by O. Kadkin
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Maystrenko, A.L., Bondarenko, M.O., Antonyuk, V.S. et al. Wear Intensity of the Functional Components Made of Diamond-Containing Composite Materials during the Operation of Tools in the Process of Rock Destruction. J. Superhard Mater. 45, 208–216 (2023). https://doi.org/10.3103/S1063457623030164
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DOI: https://doi.org/10.3103/S1063457623030164