Low-temperature synthesis of TiC, Mo2C, and W2C from modulated elemental reactants

被引：9
|
作者：
Johnson, C
Sellinschegg, H
Johnson, DC [1 ]
机构：
[1] Univ Oregon, Dept Chem, Eugene, OR 97403 USA
[2] Univ Oregon, Inst Mat Sci, Eugene, OR 97403 USA
来源：
CHEMISTRY OF MATERIALS | 2001年 / 13卷 / 11期
关键词：
D O I：
10.1021/cm000547c
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The evolution of modulated elemental reactants containing alternating layers of carbon and Ti, W, or Mo was studied using differential scanning calorimetry and X-ray diffraction. TiC crystallized at 350 degreesC from a modulated reactant with a composition near 1:1 with respect to Ti and C. Mo2C and W2C nucleated at 500 and 600 degreesC, respectively, from modulated reactants with compositions close to their stoichiometry. No exotherms were observed in samples that had compositions that were not close to the stoichiometries of TiC, Mo2C, or W2C.
引用
收藏
页码：3876 / 3881
页数：6
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