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 journalArticle

1 Citation (Scopus)

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 languageEnglish
Pages (from-to)127-138
Number of pages12
JournalHigh Temperature Material Processes
Volume20
Issue number2
DOIs
Publication statusPublished - 2016

Fingerprint

Oxidation resistance
Titanium
Phase composition
Electron beams
titanium
oxidation resistance
Irradiation
electron beams
Annealing
coatings
Coatings
Tungsten
annealing
pulse duration
flux density
Oxides
Solid solutions
irradiation
Phase transitions
Temperature

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

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title = "Influence of annealing temperature on the structure and phase composition of T15K6 hard alloy with titanium coating after treatment by intense pulsed electron beams",
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",
author = "Uglov, {V. V.} and Kuleshov, {A. K.} and Malashevich, {A. A.} and Ivanov, {Yu F.} and Koval, {N. N.}",
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TY - JOUR

T1 - Influence of annealing temperature on the structure and phase composition of T15K6 hard alloy with titanium coating after treatment by intense pulsed electron beams

AU - Uglov, V. V.

AU - Kuleshov, A. K.

AU - Malashevich, A. A.

AU - Ivanov, Yu F.

AU - Koval, N. N.

PY - 2016

Y1 - 2016

N2 - 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.

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.

KW - Hard alloy

KW - Intense pulsed electron beams

KW - Oxidation resistance

KW - Phase composition

KW - Structure

KW - Surface layer modification

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