Influence of annealing temperature on the structure and phase composition of T15K6 hard alloy with titanium coating after treatment by intense pulsed electron beams

V. V. Uglov, A. K. Kuleshov, A. A. Malashevich, Yu F. Ivanov, N. N. Koval

Research output: Contribution to journal › Article

Abstract

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 800оС.

Original language	English
Pages (from-to)	127-138
Number of pages	12
Journal	High Temperature Material Processes
Volume	20
Issue number	2
DOIs	https://doi.org/10.1615/HighTempMatProc.2016017189
Publication status	Published - 2016

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Keywords

Hard alloy
Intense pulsed electron beams
Oxidation resistance
Phase composition
Structure
Surface layer modification

ASJC Scopus subject areas

Condensed Matter Physics
Engineering(all)
Materials Science(all)
Energy Engineering and Power Technology
Spectroscopy
Physical and Theoretical Chemistry

Cite this

Uglov, V. V., Kuleshov, A. K., Malashevich, A. A., Ivanov, Y. F., & Koval, N. N. (2016). Influence of annealing temperature on the structure and phase composition of T15K6 hard alloy with titanium coating after treatment by intense pulsed electron beams. High Temperature Material Processes, 20(2), 127-138. https://doi.org/10.1615/HighTempMatProc.2016017189

Influence of annealing temperature on the structure and phase composition of T15K6 hard alloy with titanium coating after treatment by intense pulsed electron beams. / Uglov, V. V.; Kuleshov, A. K.; Malashevich, A. A.; Ivanov, Yu F.; Koval, N. N.

In: High Temperature Material Processes, Vol. 20, No. 2, 2016, p. 127-138.

Research output: Contribution to journal › Article

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abstract = "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 800оС.",

keywords = "Hard alloy, Intense pulsed electron beams, Oxidation resistance, Phase composition, Structure, Surface layer modification",

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AU - Ivanov, Yu F.

AU - Koval, N. N.

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AB - 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 800оС.

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10.1615/HighTempMatProc.2016017189