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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
SJR: 0.19 SNIP: 0.341 CiteScore™: 0.43

ISSN Print: 1093-3611
ISSN Online: 1940-4360

High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

DOI: 10.1615/HighTempMatProc.2015013588
pages 101-115

PHASE COMPOSITION MODIFICATION OF THE Cr/Ti SYSTEM BY COMPRESSION PLASMA FLOWS AND HIGH-CURRENT ELECTRON BEAMS

Vitali I. Shymanski
Belarusian State University, 4 Nezavisimost Ave., Minsk, 220030, Belarus; National Research Tomsk State University, 2a Lenin Ave., Tomsk, 634028, Russia
Nikolai N. Cherenda
Belarusian State University, 4 Nezavisimost Ave., Minsk, 220030, Belarus; National Research Tomsk State University, 2a Lenin Ave., Tomsk, 634028, Russia
Vladimir V. Uglov
Belarusian State University, 4 Nezavisimost Ave., Minsk, 220030, Belarus; National Research Tomsk Polytechnic University, 2a Lenin Ave., Tomsk, 634028, Russia
Valiantsin M. Astashynski
A.V. Luikov Heat and Mass Transfer Institute, National Academy of Sciences of Belarus, 15 P. Brovka Str., Minsk, 220072, Belarus; National Research Nuclear University "MEPhI" (Moscow Engineering Physics Institute), 31 Kashirskoe Highway, Moscow, 115409, Russia
Nikolay N. Koval
Institute of High Current Electronics, Siberian Branch of the Russian Academy of Sciences, 2/3 Akademichesky Ave., Tomsk, 634055, Russia; National Research Tomsk State University, 36 Lenin Ave., Tomsk, 634050, Russia
Yurii F. Ivanov
Institute of High Current Electronics, Siberian Branch of the Russian Academy of Sciences (IHCE SB RAS), Tomsk, Russia; National Research Tomsk Polytechnic University, Tomsk, Russia

ABSTRACT

The main laws governing the titanium surface layer alloying with chromium atoms by compression plasma flows (CPF) and the influence of low-energy high-current electron beams (HCEB) are investigated. Titanium samples with a previously deposited chromium coating were subjected to the CPF impact and HCEB. In both cases, the presence of chromium atoms promoted the stabilization of the high-temperature cubic β-Ti phase. In the case of CPF treatment, the subsurface layer contains β-Ti(Cr) solid solution, martensite phase α'-Ti, and orthorhombic martensite phase α"-Ti. The treatments of titanium result in the modification of the mechanical properties of the surface layer. In particular, the microhardness increases up to 6.4 GPa after exposure to CPF.


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