Fabrication of Ti2AlC by Spark Plasma Sintering from Elemental Powders and Thermodynamics Analysis of Ti-Al-C System

被引：0
|
作者：
王苹
机构：
[1] Wuhan 430070
[2] China School of Sciences
[3] State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology
来源：
Journal of Wuhan University of Technology(Materials Science Edition) | 2007年 / 02期
基金：
中国国家自然科学基金;
关键词：
Ti2; AlC; spark plasma sintering; elemental powder; thermodynamics analysis;
D O I：
暂无
中图分类号：
O614.411 [];
学科分类号：
摘要：
A ternary-layered carbide Ti 2 AlC material could be synthesized by spark plasma sintering(SPS)technology using elemental powder mixture of Ti,Al and active carbon.By means of XRD and SEM,phases were identified and microscopically evaluated.The experimental results show that the main phase in the product was fully crystallized Ti 2 AlC with small particle size when sintered at 1200 C.The syn-thesis temperature of SPS was 200-400 C lower than that of hot pressing(HP)or hot isostatic pressing(HIP). Through thermodynamics calculations,the mechanism of Ti 2 AlC was studied by calculating changes of Gibbs free energy of reactions.
引用
收藏
页码：325 / 328
页数：4
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