Development and application of the Cu-Ni-Fe-Sn-based dispersion-hardened bond for cutting tools of superhard materials |
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| Authors: | A. A. Zaitsev D. A. Sidorenko E. A. Levashov V. V. Kurbatkina S. I. Rupasov V. A. Andreev P. V. Sevast’yanov |
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| Affiliation: | 1. National University of Science and Technology MISiS, Leninskiy prospekt 4, Moscow, 119049, Russian Federation
2. ZAO Kermet, ul. Sharikopodshipnikovskaya, 4, Moscow, 115088, Russian Federation
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| Abstract: | Bonds based on Cu-Ni-Fe-Sn alloy and dispersion-hardened with W, WC, NbC, Al2O3, ZrO2, Si3N4, and BN nanoparticles have been developed for the use in diamond tools designed for cutting reinforced concrete and refractory materials. The paper addresses special features of cold pressing and sintering of binder/nanoparticles mixtures as well as physical-mechanical and tribological properties of compact materials. The use of the proposed dispersion-hardened bonds has provided up to 3.5-times longer tool life without decreasing cutting efficiency. |
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