Acceleration of Solid-Phase Chromizing of Steel by Intrinsic Thermionic Field

The possibility of acceleration of processes of thermal diffusion chromizing of steels by introducing additions (electron and oxygen anion emitters) into the saturating mixture is considered. A microscopic x-ray spectrum analysis of specimens chromized in powder mixtures with and without emitters is...

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Bibliographic Details
Published in:Metal science and heat treatment 2023-07, Vol.65 (3-4), p.145-151
Main Authors: Shaburova, N. A., Pashkeev, I. Yu
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Chromium
Chromizing
Classical Mechanics
Diffusion layers
Emitters
Emitters (electron)
Engineering Thermodynamics
Heat and Mass Transfer
Materials Science
Metallic Materials
Mixtures
Powders
Solid phases
Spectrum analysis
Steel
Thermal diffusion
Thermochemical Treatment and Coatings
Thickness
X ray spectra
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Summary:The possibility of acceleration of processes of thermal diffusion chromizing of steels by introducing additions (electron and oxygen anion emitters) into the saturating mixture is considered. A microscopic x-ray spectrum analysis of specimens chromized in powder mixtures with and without emitters is performed. The composition and the thickness of the diffusion layer are determined. It is shown experimentally that electric current emerges in the filler at the saturation temperature. The influence of the intrinsic thermionic field on the diffusion processes is explained.
ISSN:0026-0673
1573-8973
DOI:10.1007/s11041-023-00906-1