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ISSN Print: 2572-4258
ISSN Online: 2572-4266
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SUPERHARD COMPOSITE MATERIALS BASED ON NANODIAMONDS
ABSTRACT
Experimental data are obtained showing that different additions and modificators linked with the surface of nanodiamonds played an important role in the compaction at a high pressure. Methods of modification of the nanodiamond surface before the compaction of nanodiamonds at a high pressure have been developed, and as a result, composite powders such as nanodiamond − X (where X is B, Si, Ti, Co, and nanographite) have been obtained. It is shown that modification sometimes leads to a decrease in the regimes of sintering and influences the recrystallization and graphitization of nanodiamond grains in high-pressure treatment. As a result, it was possible to produce materials with the required nanostructure that determines the properties of compacts based on nanodiamonds.
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