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THERMOCHEMICAL TREATMENT OF THE MATERIALS FOR CUTTING TOOLS

https://doi.org/10.17073/0368-0797-2015-8-578-582

Abstract

Abstract. The paper presents the researches devoted to the possibility to increase wear resistance of solid alloys, high-speed steel, high-carbon steel, which are used to create cutting tools. The hardening has been carried out by the methods of thermochemical treatment by means of complex diffusion saturation with boron and chromium – boronchromium coating for tungsten-cobalt ВК8 (VK8) sintered material, as well as boron and titanium – boron-titanizing for high-speed Р6М5 (R6M5) steel. The choice of tungsten-cobalt VК8 sintered material and high-speed R6М5 steel as an object of studying has been specifi ed by a wider spectrum of using high-strength low-wear materials in national economy. The chemical composition and micro-hardness have been studied, as well as microhardness of the received diffusion coatings on the hardened materials has been measured. According to the results of the carried out researches the following conclusion can be done: the thermochemical treatment is a perspective way to increase strength and operational characteristics of the materials of the studied classes.

About the Authors

A. M. Gur’ev
Altai State Technical University named after I.I. Polzunov
Russian Federation

Dr. Sci. (Eng.), Professor, Head of the Chair “Descriptive Geometry and Engineering Graphics”, Director of Grand Altai Development Institute 

46, Lenina ave., Barnaul, 656038, Russia



S. G. Ivanov
Altai State Technical University named after I.I. Polzunov
Russian Federation

Cand. Sci. (Eng.), of the Chair of Physics

46, Lenina ave., Barnaul, 656038, Russia



M. A. Gur’ev
Altai State Technical University named after I.I. Polzunov
Russian Federation

Cand. Sci. (Eng.), Doctoral Cand. of the Chair of Physics

46, Lenina ave., Barnaul, 656038, Russia



E. V. Chernykh
Altai State Technical University named after I.I. Polzunov
Russian Federation

Cand. Sci. (Phys.-math.), Assist. Professor of the Chair of Physics, Doctoral Cand. of the Chair “Descriptive Geometry and Engineering Graphics”

46, Lenina ave., Barnaul, 656038, Russia



T. G. Ivanova
Altai State Technical University named after I.I. Polzunov
Russian Federation

Postgraduate of the Chair “Descriptive Geometry and Engineering Graphics”

46, Lenina ave., Barnaul, 656038, Russia



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For citations:


Gur’ev A.M., Ivanov S.G., Gur’ev M.A., Chernykh E.V., Ivanova T.G. THERMOCHEMICAL TREATMENT OF THE MATERIALS FOR CUTTING TOOLS. Izvestiya. Ferrous Metallurgy. 2015;58(8):578-582. (In Russ.) https://doi.org/10.17073/0368-0797-2015-8-578-582

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ISSN 0368-0797 (Print)
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