Thermal Stability of the Structure and Phase Composition of Titanium Treated with Compression Plasma Flows

Abstract

The results of studying the structure and phase composition of the surface layer of commercial pure VT1-0 titanium treated with compression plasma flows in nitrogen atmosphere and annealed in the temperature range of 400–900°C for 1 h are presented. Using the X-ray diffraction method, the α-Ti(O) solid solution is found to form in the titanium surface layer at 500°C, without pretreatment with plasma, and to transform into the titanium oxide TiO₂ (rutile) phase at 600°C. Pretreatment of titanium with compression plasma flows promotes the formation of α-Ti(N) solid solution decreasing the rate of surface oxidation and increasing the initial temperature of rutile formation to 700°C, which indicates enhancement of the thermal stability of this structure.

Original language	English
Pages (from-to)	710-716
Number of pages	7
Journal	Journal of Surface Investigation
Volume	12
Issue number	4
DOIs	https://doi.org/10.1134/S102745101804016X
Publication status	Published - 1 Jul 2018

Keywords

compression plasma flows
oxidation
phase composition
rutile
thermal annealing
titanium
titanium oxide

ASJC Scopus subject areas

Surfaces, Coatings and Films

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10.1134/S102745101804016X

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@article{9e724a00a1914cc0a4d1fa1ad7785871,

title = "Thermal Stability of the Structure and Phase Composition of Titanium Treated with Compression Plasma Flows",

abstract = "The results of studying the structure and phase composition of the surface layer of commercial pure VT1-0 titanium treated with compression plasma flows in nitrogen atmosphere and annealed in the temperature range of 400–900°C for 1 h are presented. Using the X-ray diffraction method, the α-Ti(O) solid solution is found to form in the titanium surface layer at 500°C, without pretreatment with plasma, and to transform into the titanium oxide TiO2 (rutile) phase at 600°C. Pretreatment of titanium with compression plasma flows promotes the formation of α-Ti(N) solid solution decreasing the rate of surface oxidation and increasing the initial temperature of rutile formation to 700°C, which indicates enhancement of the thermal stability of this structure.",

keywords = "compression plasma flows, oxidation, phase composition, rutile, thermal annealing, titanium, titanium oxide",

author = "Shymanski, {V. I.} and Cherenda, {N. N.} and Uglov, {V. V.} and Astashynski, {V. M.} and Kuzmitski, {A. M.}",

year = "2018",

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doi = "10.1134/S102745101804016X",

language = "English",

volume = "12",

pages = "710--716",

journal = "Journal of Surface Investigation",

issn = "1027-4510",

publisher = "Maik Nauka-Interperiodica Publishing",

number = "4",

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TY - JOUR

T1 - Thermal Stability of the Structure and Phase Composition of Titanium Treated with Compression Plasma Flows

AU - Shymanski, V. I.

AU - Cherenda, N. N.

AU - Uglov, V. V.

AU - Astashynski, V. M.

AU - Kuzmitski, A. M.

PY - 2018/7/1

Y1 - 2018/7/1

N2 - The results of studying the structure and phase composition of the surface layer of commercial pure VT1-0 titanium treated with compression plasma flows in nitrogen atmosphere and annealed in the temperature range of 400–900°C for 1 h are presented. Using the X-ray diffraction method, the α-Ti(O) solid solution is found to form in the titanium surface layer at 500°C, without pretreatment with plasma, and to transform into the titanium oxide TiO2 (rutile) phase at 600°C. Pretreatment of titanium with compression plasma flows promotes the formation of α-Ti(N) solid solution decreasing the rate of surface oxidation and increasing the initial temperature of rutile formation to 700°C, which indicates enhancement of the thermal stability of this structure.

AB - The results of studying the structure and phase composition of the surface layer of commercial pure VT1-0 titanium treated with compression plasma flows in nitrogen atmosphere and annealed in the temperature range of 400–900°C for 1 h are presented. Using the X-ray diffraction method, the α-Ti(O) solid solution is found to form in the titanium surface layer at 500°C, without pretreatment with plasma, and to transform into the titanium oxide TiO2 (rutile) phase at 600°C. Pretreatment of titanium with compression plasma flows promotes the formation of α-Ti(N) solid solution decreasing the rate of surface oxidation and increasing the initial temperature of rutile formation to 700°C, which indicates enhancement of the thermal stability of this structure.

KW - compression plasma flows

KW - oxidation

KW - phase composition

KW - rutile

KW - thermal annealing

KW - titanium

KW - titanium oxide

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