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Tool Materials Made from Polycrystalline Compacts of Detonation Nanodiamond

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Abstract

Tooling materials made of polycrystalline compacts synthesized from the detonation synthesis of diamond nanopowders are proposed. After crushing and classifying the compacts, a polycrystalline grain is obtained with a grain size yield of +250 µm of more than 40%. The strength of the grains with grain sizes ranging from 315 μm to 2.5 mm corresponds to the grades of diamond powders ARC4–ARS3. Round cutting inserts of 9.525 × 3.18 and 12.7 × 4.76 mm are made by the grinding method. The spray nozzles are made by laser cutting.

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Funding

This study was supported by a grant from the Russian Science Foundation (project no. 21-73-30019).

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Authors and Affiliations

  1. OOO Novye Almaznye Tekhnologii, 197706, St. Petersburg, Russia

    V. N. Volov

  2. St. Petersburg State Institute of Technology, 190013, St. Petersburg, Russia

    S. P. Bogdanov

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  1. V. N. Volov
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  2. S. P. Bogdanov
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Correspondence to V. N. Volov.

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Volov, V.N., Bogdanov, S.P. Tool Materials Made from Polycrystalline Compacts of Detonation Nanodiamond. Glass Phys Chem 47, 612–615 (2021). https://doi.org/10.1134/S1087659621060316

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  • DOI: https://doi.org/10.1134/S1087659621060316

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