期刊
INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS
卷 56, 期 -, 页码 59-62出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijrmhm.2015.11.015
关键词
Zirconium carbide; Nanorod; Low temperature; Nanoparticles; Ceramics
A novel chemical synthetic method at low temperature was developed for the synthesis of ZrC nanorods, using ZrCl4 and sodium metal in the presence of naphthalene as the carbon source. The results showed that the ZrCl4, after heat treatment in argon atmosphere at temperatures above 500 degrees C, can be completely converted into ZrC nanorods. However, the initial formation temperature of ZrC was as low as 400 degrees C whereas ZrO2 as an intermediate product was also produced from the precursor at 300 degrees C, and the mixture was finally transformed into pure ZrC at 700 degrees C. The synthesized ZrC nanorods exhibited cubic lattice structure. (C) 2015 Elsevier Ltd. All rights reserved.
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