Features of the morphology, defect substructure, and phase composition of metal and alloy surfaces upon high-power ion beam irradiation

A. D. Korotaev, A. N. Tyumentsev, Yu P. Pinzhin, G. E. Remnev

Результат исследований: Материалы для журналаСтатья

31 Цитирования (Scopus)

Выдержка

Optical metallography, transmission electron microscopy, and phase analysis were used to study the mechanisms of structural transformations in the surface layer of thickness Δ h ≈0.2 μm for single crystals and polycrystals of metals and alloys irradiated with high-power ion beams (HPIB's). Characteristic features of the formation of the surface relief and variations in phase constitution and defect substructure of pure metals (Ni, Mo) and single-phase (Mo-Re, Ni3Al) and double-phase (V-ZrO2) alloys have been found in relation to the ion beam power density Q =(1-10)×107 W/cm2. Common features and distinctions in the formation of the microstructure of metallic materials belonging to different classes under HPIB irradiation have been revealed. Based on the predictions of a numerical simulation of the time-dependent temperature fields and the melting and evaporation processes in the surface layer, the mechanisms for the phase-structure modification of metal and alloy surfaces are analyzed.

Язык оригиналаАнглийский
Страницы (с-по)38-49
Число страниц12
ЖурналSurface and Coatings Technology
Том185
Номер выпуска1
DOI
СостояниеОпубликовано - 1 июл 2004

Отпечаток

substructures
Phase composition
Ion beams
metal surfaces
Metals
ion beams
Irradiation
Defects
irradiation
surface layers
defects
metallography
constitution
polycrystals
metals
Metallography
radiant flux density
Polycrystals
temperature distribution
Phase structure

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

Цитировать

Features of the morphology, defect substructure, and phase composition of metal and alloy surfaces upon high-power ion beam irradiation. / Korotaev, A. D.; Tyumentsev, A. N.; Pinzhin, Yu P.; Remnev, G. E.

В: Surface and Coatings Technology, Том 185, № 1, 01.07.2004, стр. 38-49.

Результат исследований: Материалы для журналаСтатья

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AU - Korotaev, A. D.

AU - Tyumentsev, A. N.

AU - Pinzhin, Yu P.

AU - Remnev, G. E.

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N2 - Optical metallography, transmission electron microscopy, and phase analysis were used to study the mechanisms of structural transformations in the surface layer of thickness Δ h ≈0.2 μm for single crystals and polycrystals of metals and alloys irradiated with high-power ion beams (HPIB's). Characteristic features of the formation of the surface relief and variations in phase constitution and defect substructure of pure metals (Ni, Mo) and single-phase (Mo-Re, Ni3Al) and double-phase (V-ZrO2) alloys have been found in relation to the ion beam power density Q =(1-10)×107 W/cm2. Common features and distinctions in the formation of the microstructure of metallic materials belonging to different classes under HPIB irradiation have been revealed. Based on the predictions of a numerical simulation of the time-dependent temperature fields and the melting and evaporation processes in the surface layer, the mechanisms for the phase-structure modification of metal and alloy surfaces are analyzed.

AB - Optical metallography, transmission electron microscopy, and phase analysis were used to study the mechanisms of structural transformations in the surface layer of thickness Δ h ≈0.2 μm for single crystals and polycrystals of metals and alloys irradiated with high-power ion beams (HPIB's). Characteristic features of the formation of the surface relief and variations in phase constitution and defect substructure of pure metals (Ni, Mo) and single-phase (Mo-Re, Ni3Al) and double-phase (V-ZrO2) alloys have been found in relation to the ion beam power density Q =(1-10)×107 W/cm2. Common features and distinctions in the formation of the microstructure of metallic materials belonging to different classes under HPIB irradiation have been revealed. Based on the predictions of a numerical simulation of the time-dependent temperature fields and the melting and evaporation processes in the surface layer, the mechanisms for the phase-structure modification of metal and alloy surfaces are analyzed.

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