Effect of titanium concentration on the structural-phase state of the surface layer of carbon steel alloyed under the action of compression plasma flows

被引：2
作者：
Uglov V.V. [1 ]
Cherenda N.N. [1 ]
Stal'moshenok E.K. [1 ]
Poluyanova M.G. [1 ]
Astashinskii V.M. [2 ]
Kuz'mitskii A.M. [2 ]
机构：
[1] Belarusian State University, Minsk
[2] Stepanov Institute of Physics, National Academy of Sciences of Belarus, Minsk
来源：
Inorganic Materials: Applied Research | 2010年 / 1卷 / 02期
关键词：
Alloying; Microhardness; Plasma flows; Steel; Structural-phase transformations;
D O I：
10.1134/S2075113310020140
中图分类号：
学科分类号：
摘要：
The effect of the concentration of an alloying metal on the structural-phase state and microhardness of the surface layer of St3 carbon steel alloyed with titanium and nitrogen under the action of compression plasma flows on the Ti-steel system is studied. The fraction of titanium is increased from 3 to 33 at % by two techniques: multiple repetitions of the processes of titanium coating deposition and compression plasma processing or the thickening of the alloying metal coating. It is found that the phase composition of the mixed layer with a thickness of 4-10 μm depends on the alloying element concentration and can contain both the α-Fe based supersaturated solid solution and the intermetallide Fe2Ti as well as the nitride TiN. The structural-phase transformations cause a twoto threefold increase in the microhardness of the steel. © Pleiades Publishing, Ltd., 2010.
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页码：155 / 161
页数：6
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