The investigation of various type irradiation effects on aluminum nitride ceramic

K. Dukenbayev, A. Kozlovskiy, Z. A. Alyamova, T. Gladkikh, I. Kenzhina, M. Zdorovets

Research output: Contribution to journalArticle

Abstract

The paper presents the results of a study of the effect of proton and ion radiation on structural changes in nitride ceramics, which have a high potential for using as a structural material for GenIV nuclear reactors. Proton beams with an energy of 1.5 MeV and low-energy helium (He 2+ ) and carbon (C 2+ ) ions with an energy of 40 keV were used, to simulate defect formation and to estimate ceramics radiation resistance. According to the data obtained, it has been established that aluminum nitride ceramics have high radiation resistance to the effects of proton radiation. While under irradiation with C 2+ ions, the observed degradation of the surface layer is due to the accumulation of carbon in the structure with the subsequent formation of impurity carbide inclusions. It is established that the accumulation of slightly soluble ions of helium and carbon in the structure of the surface layer leads to an increase in the strain and distortion of crystal lattice due to introducing ions into the interstitial lattice and breaking chemical and crystalline bonds. As a result of studying the optical characteristics of irradiated samples, it was found that the decrease in absorption spectra intensity for samples irradiated with helium and carbon ions is due to a change in the interplanar distances as a result of the migration of defects along the structure with the subsequent formation of impurity inclusions. The formation of impurity phases and a high concentration of defects in the structure of ceramics leads to a sharp decrease in performance.

Original languageEnglish
JournalJournal of Materials Science: Materials in Electronics
DOIs
Publication statusPublished - Jan 1 2019

Fingerprint

Aluminum nitride
aluminum nitrides
Ceramics
Irradiation
ceramics
Ions
Helium
irradiation
Carbon
Protons
Radiation
ions
carbon
radiation tolerance
Impurities
Crystal lattices
impurities
Defects
surface layers
defects

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

The investigation of various type irradiation effects on aluminum nitride ceramic. / Dukenbayev, K.; Kozlovskiy, A.; Alyamova, Z. A.; Gladkikh, T.; Kenzhina, I.; Zdorovets, M.

In: Journal of Materials Science: Materials in Electronics, 01.01.2019.

Research output: Contribution to journalArticle

Dukenbayev, K. ; Kozlovskiy, A. ; Alyamova, Z. A. ; Gladkikh, T. ; Kenzhina, I. ; Zdorovets, M. / The investigation of various type irradiation effects on aluminum nitride ceramic. In: Journal of Materials Science: Materials in Electronics. 2019.
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