Bakhracheva Yu.S. Solution of the Diffusion Problem in Thermocyclic Nitrocementation of Steel

DOI: http://dx.doi.org/10.15688/jvolsu10.2016.2.2

SOLUTION OF THE DIFFUSION PROBLEM IN THERMOCYCLIC NITROCEMENTATION OF STEEL

Yuliya Sagidullovna Bakhracheva

Candidate of Technical Sciences, Associate Professor,

Department of Physics and Chemistry,

Volgograd Branch of Moscow State University of Railway Engineering

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Bukhantseva St., 48, 400120 Volgograd, Russian Federation

Abstract. It is shown that cyclic heating and cooling considerably accelerate the kinetics of chemical thermal processing of steels. The author studies the laws of formation of the strengthened layers at thermocyclic nitrocementation of steel 20 Kh. Production tests of machine parts after chemical thermal and chemical-thermocyclic processings were performed. The structure, phase composition and intensity of wear process of a blanket depending on a number of cycles are investigated.

Key words: thermocyclic nitrocementation, steel, diffusive layer, microhardness, wear resistance.

Solution of the Diffusion Problem in Thermocyclic Nitrocementation of Steel is licensed under a Creative Commons Attribution 4.0 International License.

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