Formation of Structure in Hard-Alloy Coatings from Powders Under Passage of a Powerful Pulse of Electric Current


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Abstract

A method of ultrafast deposition of hard-alloy coatings from powders upon passage of a powerful pulse of electric current is considered. The structure of the coatings obtained by the electric-pulse and standard processes is studied by metallographic, electron microscope and x-ray diffraction analyses. The physical, mechanical and cutting properties of the hard-alloy coatings are determined. The endurance of the cutting tools with hard-alloy coatings is estimated under the conditions of large-scale and pilot productions. The possibility of creation of tools with enhanced operating characteristics is demonstrated.

About the authors

S. V. Novikov

“STANKIN” Moscow State Technological University

Email: p.peretyagin@stankin.ru
Russian Federation, Moscow

P. Yu. Peretyagin

“STANKIN” Moscow State Technological University

Author for correspondence.
Email: p.peretyagin@stankin.ru
Russian Federation, Moscow

E. Yu. Dolzhikova

“STANKIN” Moscow State Technological University

Email: p.peretyagin@stankin.ru
Russian Federation, Moscow

R. Torrecillas

“STANKIN” Moscow State Technological University; The Nanomaterials and Nanotechnology Research Center (CINN)

Email: p.peretyagin@stankin.ru
Russian Federation, Moscow; El Entrego, Asturias

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