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Published in: Metal Science and Heat Treatment 3-4/2017

31-07-2017 | THERMOCHEMICAL TREATMENT

Choice of Boundary Condition for Solving the Diffusion Problem in Simulation of the Process of Vacuum Carburizing

Authors: A. E. Smirnov, M. Yu. Ryzhova, M. Yu. Semenov

Published in: Metal Science and Heat Treatment | Issue 3-4/2017

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Abstract

Comparative analysis of three kinds of boundary condition for solution of the diffusion equation in a mathematical model of vacuum carburizing (low-pressure one) is performed for plotting the carbon concentration curves in carbon and alloy steels. With allowance for the special features of mass transfer in formation of the diffusion layer and for the effect of control factors of the carburizing process, the mass transfer coefficient in the equation of the boundary condition of the third kind is evaluated with the help of parametric equations.

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Metadata
Title
Choice of Boundary Condition for Solving the Diffusion Problem in Simulation of the Process of Vacuum Carburizing
Authors
A. E. Smirnov
M. Yu. Ryzhova
M. Yu. Semenov
Publication date
31-07-2017
Publisher
Springer US
Published in
Metal Science and Heat Treatment / Issue 3-4/2017
Print ISSN: 0026-0673
Electronic ISSN: 1573-8973
DOI
https://doi.org/10.1007/s11041-017-0135-8

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