Bench tests of the abrasion resistance of hard and superhard inserts — carbide VK8, superhard composites based on cubic boron nitride PCBN, and polycrystalline diamond PDC—for new types of high-performance mining tools were conducted. Comparative tests in terms of fine-grained white granite with tensile strength 15 on M. M. Protod’yakonov’s scale and subsequent evaluation of the dependence of the wear spot area on the volume of removed rock showed that the abrasion resistance of PCBN inserts is 11.5 times greater and PDC inserts 80 times greater compared with VK8 carbide inserts.
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This article was prepared with the financial support of the Russian Ministry of Education and Science within the framework of the special federal program ‘Research and development in high-priority directions of the scientific and technological complex of Russia for the period 2014 – 2020 years’ on the theme ‘Development of experimental designs of combined tools using superhard composite materials for efficient breaking of rocks’; contract No. 14.607.21.0028, June 5, 2014 (unique identifier RFMEFI60714X0028).
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Translated from Steklo i Keramika, No. 11, pp. 18 – 21, November, 2016.
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Anokhin, A.S., Strel’nikova, S.S., Kukueva, E.V. et al. Abrasion Resistance of Superhard Composite Materials for High-Performance Mining Tools. Glass Ceram 73, 406–409 (2017). https://doi.org/10.1007/s10717-017-9899-y
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DOI: https://doi.org/10.1007/s10717-017-9899-y