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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 Imprimir: 1093-3611
ISSN On-line: 1940-4360

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

DOI: 10.1615/HighTempMatProc.2016017189
pages 127-138

INFLUENCE OF ANNEALING TEMPERATURE ON THE STRUCTURE AND PHASE COMPOSITION OF T15K6 HARD ALLOY WITH TITANIUM COATING AFTER TREATMENT BY INTENSE PULSED ELECTRON BEAMS

Vladimir V. Uglov
Belarusian State University, 4 Nezavisimost Ave., Minsk, 220030, Belarus; National Research Tomsk Polytechnic University, 2a Lenin Ave., Tomsk, 634028, Russia
Andrej K. Kuleshov
Belarussian State University, 4 Nezavisimosti Ave., Minsk, 220030, Belarus
Alexander A. Malashevich
Belarusian State University, 4 Nezavisimost Ave., Minsk, 220030, Belarus
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
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

RESUMO

In the present work we investigated the influence of air annealing temperature on the structural and phase states, oxidation resistance of T15K6 hard alloy surface layers with Ti coating after intense pulsed irradiation with electron beams B with an energy density of 40, 60, and 80 J/cm2 and pulse duration of 100, 150, and 200 µs. It has been found that samples irradiation leads to phase transformations, namely, to the formation of (Ti, W) and tungsten-enriched (Ti, W)C solid solutions. It is shown that annealing of irradiated samples causes precipitation of WO3, CoWO4, and TiO2 oxide phases. A hard alloy sample irradiated by IPEB with the energy density 40 J/cm2 and pulse duration 100 µs is characterized by high oxidation resistance at a temperature of 800°C.


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