Abstract
The paper describes an energy-efficient technology for producing a diamond-bearing composite material on the surface of a sintered diamond-aluminum part by microarc oxidation. The material formation time and energy consumption cost is reduced through replacing 10–25 vol% aluminum powder with white corundum powder. The corundum powder grit should be 5–6 times less than the diamond grain size. The material has high wear resistance and volumetric cutting ability. Frictional characteristics are improved due to an increasing matrix hardness through increasing α modification of Al2O3 in its composition. The new material might be a tool for precision abrasive microprocessing of hard materials.
Published Version
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