Nanostructured ceramic powders modified by the plasma of a non-self-sustained low-pressure arc discharge

O. V. Krysina, Yu Kh Akhmadeev, Yu F. Ivanov, M. V. Grigoriev, A. V. Kanaki

Research Center for Physical Materials Science and Composite Materials

Research output: Contribution to journal › Article › peer-review

Abstract

The results of experiments on activation of nanocrystalline ZrO₂+ MgO and Al₂O₃ powders by a volume plasma of arc discharge with a filament are presented. Powder treatment was carried out in an argon and a nitrogen atmosphere at a temperature of 100–140°С for 1 hour. It is shown that the plasma treatment of powders results in modification of phase composition, decrease in internal stresses, increase in the number of defects.

Original language	English
Pages (from-to)	171-179
Number of pages	9
Journal	High Temperature Material Processes
Volume	17
Issue number	2-3
DOIs	https://doi.org/10.1615/HighTempMatProc.2015013759
Publication status	Published - 7 Aug 2013

Keywords

Arc discharge
Ceramic powder
Gas-discharge plasma
Plasma treatment
Structure

ASJC Scopus subject areas

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

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title = "Nanostructured ceramic powders modified by the plasma of a non-self-sustained low-pressure arc discharge",

abstract = "The results of experiments on activation of nanocrystalline ZrO2+ MgO and Al2O3 powders by a volume plasma of arc discharge with a filament are presented. Powder treatment was carried out in an argon and a nitrogen atmosphere at a temperature of 100–140°С for 1 hour. It is shown that the plasma treatment of powders results in modification of phase composition, decrease in internal stresses, increase in the number of defects.",

keywords = "Arc discharge, Ceramic powder, Gas-discharge plasma, Plasma treatment, Structure",

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AU - Krysina, O. V.

AU - Akhmadeev, Yu Kh

AU - Ivanov, Yu F.

AU - Grigoriev, M. V.

AU - Kanaki, A. V.

PY - 2013/8/7

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N2 - The results of experiments on activation of nanocrystalline ZrO2+ MgO and Al2O3 powders by a volume plasma of arc discharge with a filament are presented. Powder treatment was carried out in an argon and a nitrogen atmosphere at a temperature of 100–140°С for 1 hour. It is shown that the plasma treatment of powders results in modification of phase composition, decrease in internal stresses, increase in the number of defects.

AB - The results of experiments on activation of nanocrystalline ZrO2+ MgO and Al2O3 powders by a volume plasma of arc discharge with a filament are presented. Powder treatment was carried out in an argon and a nitrogen atmosphere at a temperature of 100–140°С for 1 hour. It is shown that the plasma treatment of powders results in modification of phase composition, decrease in internal stresses, increase in the number of defects.

KW - Arc discharge

KW - Ceramic powder

KW - Gas-discharge plasma

KW - Plasma treatment

KW - Structure

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