Synthesis and reaction mechanism of Ti2SnC by self-propagation high-temperature synthesis technique

被引：0
|
作者：
Sun H. [1 ]
Song B. [1 ]
Chen H. [1 ]
Zhu C. [1 ]
机构：
[1] College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin
来源：
Zhu, Chuncheng (zhuccshs@163.com) | 2016年 / Cailiao Daobaoshe/ Materials Review卷 / 30期
关键词：
Reaction mechanism; Self-propagation high-temperature synthesis; Ti[!sub]2[!/sub]SnC;
D O I：
10.11896/j.issn.1005-023X.2016.14.019
中图分类号：
学科分类号：
摘要：
Ti2SnC was synthesized by self-propagation high-temperature combustion synthesis (SHS), and characterized by XRD, SEM, EDS and DTA. The room-temperature lattice parameters a and c of Ti2SnC are estimated to be 3.186 Å and 13.630 Å, respectively. The SHS reaction mechanism in the Ti-Sn-C system was analyzed on the basis of the XRD, EDS, SEM and TEM as well as DTA.Sn started to melt into liquid at 232℃, while with the increasing temperature, C was coated by Ti layer. Then, Ti reacted with Sn to form Ti-Sn intermetallic compounds TixSny, such as Ti6Sn5 and Ti5Sn3, and TiC presented at around 800℃ with much exothermic heat. At 1100℃, the plate-like Ti2SnC was derived from TiC and TixSny. © 2016, Materials Review Magazine. All right reserved.
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页码：84 / 87
页数：3
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