Spark plasma sintering of alumina nanopowders produced by electrical explosion of wires

被引：2
|
作者：
An, Vladimir [1 ]
Khasanov, Alexey [1 ]
de Izarra, Charles [2 ]
机构：
[1] Natl Res Tomsk Polytech Univ, Inst High Technol Phys, Tomsk 634050, Russia
[2] GREMI, BP6744, F-45067 Orleans 2, France
来源：
SPRINGERPLUS | 2015年 / 4卷
关键词：
Alumina nanopowders; Electrical explosion of wires; Spark plasma sintering; HYDROGEN; CERAMICS;
D O I：
10.1186/s40064-015-1383-y
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Alumina nanopowders produced by electrical explosion of wires were sintered using the spark plasma sintering technique. The results of XRD analysis show that the main phase in the compacted nanopowders is alpha-Al2O3. According to the SEM observations, the sintered alumina nanopowder consists of micron-sized faceted grains and nano-sized necked grains. The increase in sintering temperature resulted in a higher density of the sintered powders: from 78.44 to 98.21 % of theoretical density.
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页数：4
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