Abstract
The innovative diamond-containing composite material formed by micro-arc oxidation on the surface of a sintered billet from a diamond-aluminum mixture has been developed. The method of the modification of the basic technology of a material obtaining has been proposed in order to reduce energy consumption and improve its frictional properties. The total time of material formation is reduced by replacing a part of the aluminum powder with white fused abrasive alumina powder, subsequent sintering and formation of diamond-ceramic material by micro-arc oxidation. It was found that the addition of corundum powder has a positive effect on the progress of the microarc oxidation process. A basic structural model of the new material has been developed. Friction tests have shown the advantage of diamond-containing materials of modified composition in comparison with the basic one. It is proposed to use the new material as a tool one for precision abrasive micro-processing of solid materials.
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Schedule a callMore From: Bulletin of the Tver State Technical University. Series «Engineering»
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