Coating synthesis controlled by electron-beam heating

The methods of combined electron-beam treatment of parts made of steel with one- and two-layer coatings are studied experimentally. Ti-Ni, Ni-Al and Al-Ti systems were used as the examples in the experiments. The mathematical model is suggested for coating formation in the controlled regime of high...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2016-07, Vol.140 (1), p.12018
Main Authors: Gordienko, A I, Knyazeva, A G, Pobol, I L
Format: Article
Language:English
Subjects:
Aluminum
Chemical reactions
Electron beams
Exothermic reactions
High temperature
Nickel
Substrates
Synthesis
Thermophysical properties
Titanium
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Summary:The methods of combined electron-beam treatment of parts made of steel with one- and two-layer coatings are studied experimentally. Ti-Ni, Ni-Al and Al-Ti systems were used as the examples in the experiments. The mathematical model is suggested for coating formation in the controlled regime of high temperature synthesis during high energy source motion along the preliminarily deposited layer of exothermic composition. The study takes into account the difference in thermophysical properties of the materials of coating and substrate, heat release from chemical reaction that leads to the coating properties formation and other factors. The realization of the synthesis depends on technological parameters. Various regimes of the treatment process are investigated numerically.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/140/1/012018