A mechanism of spontaneous diamond cladding with tungsten carbide in the course of tool sintering with the Cu–Fe–Co–Ni nanomodified metallic binder
https://doi.org/10.17073/0021-3438-2015-5-53-63
Abstract
There are three main ways to improve the quality of the diamond tool based on the metallic binder: an increase in (i) binder properties, (ii) quality of diamond grains, and (iii) adhesion to diamonds. An efficient method for a simultaneous increase in binder properties and binder adhesion to diamond in the course of sintering the composite materials is proposed in the study. A mechanism of spontaneous formation of the coating based on tungsten carbide on the surface of diamonds in the course of sintering the metal-matrix composite, which contains strengthening particles of tungsten carbide, is investigated. The coating is formed according to the gas-transport reaction mechanism.
About the Authors
D. A. Sidorenko
Национальный исследовательский технологический университет «МИСиС», г. Москва
Russian Federation
Russian Federation
E. A. Levashov
Национальный исследовательский технологический университет «МИСиС», г. Москва
Russian Federation
Russian Federation
P. A. Loginov
Национальный исследовательский технологический университет «МИСиС», г. Москва
Russian Federation
Russian Federation
N. V. Svyndina
Национальный исследовательский технологический университет «МИСиС», г. Москва
Russian Federation
Russian Federation
E. A. Skryleva
Национальный исследовательский технологический университет «МИСиС», г. Москва
Russian Federation
Russian Federation
I. E. Uskova
Национальный исследовательский технологический университет «МИСиС», г. Москва
Russian Federation
Russian Federation
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Review
For citations:
Sidorenko D.A., Levashov E.A., Loginov P.A., Svyndina N.V., Skryleva E.A., Uskova I.E. A mechanism of spontaneous diamond cladding with tungsten carbide in the course of tool sintering with the Cu–Fe–Co–Ni nanomodified metallic binder. Izvestiya. Non-Ferrous Metallurgy. 2015;(5):53-63. (In Russ.) https://doi.org/10.17073/0021-3438-2015-5-53-63
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