On the Synthesis of Tantalum-Carbide Powder by the Reaction of Tantalum with Toluene

被引：2
|
作者：
Kolosov, V. N. [1 ]
Miroshnichenko, M. N. [1 ]
机构：
[1] Russian Acad Sci, Tananaev Inst Chem, Subdiv Fed Res Ctr, Kola Sci Ctr, Apatity 184209, Russia
来源：
NANOBIOTECHNOLOGY REPORTS | 2022年 / 17卷 / 04期
关键词：
TAC; PYROLYSIS; OXIDATION; DECOMPOSITION; CARBON;
D O I：
10.1134/S2635167622040139
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
process of obtaining powders of tantalum carbides using a tantalum powder as a precursor and toluene vapors as a carbon source is investigated. Powders of tantalum carbides TaC and Ta2C are obtained in the temperature range of 650-850 degrees C using magnesium as an in situ deoxidizer of tantalum. The specific surface of the powders is at a level of 8-25 m(2)/g. The average sizes of carbide crystallites are 7-16 nm. The powders are characterized by a mesoporous structure.
引用
收藏
页码：507 / 513
页数：7
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