Electric arc synthesis of Al2O3 nanoparticles of various sizes

被引:0
作者
Andryushchenko, Vladimir A. [1 ]
Sakhapov, Salavat Z. [1 ,3 ]
Smovzh, Dmitry V. [1 ]
Solnyshkina, Olga A. [2 ]
机构
[1] Kutateladze Inst Thermophys, Novosibirsk, Russia
[2] Ufa Univ Sci & Technol, Ctr Micro & Nanoscale Dynam Dispersed Syst, Ufa, Russia
[3] Kutateladze Inst Thermophys, Lavrentyev St 1, Novosibirsk 630090, Russia
关键词
Hollow nanoparticle; Aluminium oxide; Electric arc spraying; Carbon-aluminum vapor; ALUMINUM-OXIDE; FORMATION MECHANISM; HOLLOW NANOSPHERES; CALCINATION;
D O I
10.1016/j.ceramint.2023.10.130
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
This article discusses the synthesis of hollow Al2O3 nanoparticles via electric arc spraying and subsequent material calcination in air. The effect of buffer gas pressure on the size and thickness of the synthesised hollow nanoparticle enclosure is investigated. Based on experimental data and numerical modelling data for the respective processes, a mechanism for the formation of various-sized nanoparticles based on changes in the residence time of carbon is proposed.
引用
收藏
页码:536 / 542
页数:7
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