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N.N. Cherenda has been working for more than 20 years in the field of materials modification by ion and plasma beams investigating their phase and structure transformations, elements redistribution, surface phenomena, tribological properties (hardness, friction, wear).
The principles of structure changes (as well as elemental and phase composition, properties changes) of a wide range of materials (ifferent types of steel, superalloys, aluminum alloys, etc.) under the influence of compression of the plasma flow are identified. Positive results on manufacturing testing of high speed steel cutters, modified by compression plasma flows were obtained. Basic principles of metal and semiconductor materials alloying using plasma flows have been developed, new methods of doping (patented in Russia and Belarus) have been proposed. Method of deposition of nanostructured metal-containing coating by means of compression of the plasma flows was designed.
Patents:
1. V.V. Uglov, N.N. Cherenda, A.K. Stalmashonak, V.M. Astashynski, G.Z. Podsobey. Method of alloying coating deposition on a surface of metal article. Patent of Republic of Belarus #12728. С23С4/00. 30.12.2009.
2. V.V. Uglov, N.N. Cherenda, A.K. Stalmashonak, V.M. Astashynski, G.Z. Podsobey. Procedure for production of alloyed coating on surface of metal material. Patent of Russian Federation #2394939. 20.07.2010.
3. V.V. Uglov, N.N. Cherenda, N.T. Kvasov, Yu.A. Petuhov, V.M. Astashynski, G.Z. Podsobey. Method of producing metal silicides. Patent of Republic of Belarus #13882. H01L 21/02 С01В 33/00. 30.12.2010.
4. V.V. Uglov, N.N. Cherenda, N.T. Kvasov, Yu.A. Petuhov, V.M. Astashynski, G.Z. Podsobey. Method of producing metal silicides. Patent of Russian Federation #2405228. H01L 21/24. 27.11.2010.
5. V.V. Uglov, N.N. Cherenda, N.T. Kvasov, V.I. Shymanski, V.M. Astashynski, G.Z. Podsobey. Method of surface hardening of titanium alloys. Patent of Russian Federation #2464355. C23C14/48, C23C8/24. 20.10.2012.
6. V.V. Uglov, N.N. Cherenda, N.T. Kvasov, V.I. Shymanski, V.M. Astashynski, G.Z. Podsobey. Method of surface hardening of titanium alloys. Patent of Republic of Belarus #16907. C23C14/48, C23C8/24. 28.02.2013.
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