期刊
MATERIALS LETTERS
卷 149, 期 -, 页码 5-7出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2015.02.105
关键词
Ti2AlN; Thermal explosion; Self-propagating high-temperature; synthesis; Ceramics; Multi layer structure
资金
- 973 Special Preliminary Study Plan [2014CB260411]
- Specialized Research Fund for the Doctoral Program of Higher Education [20136125120003]
- Natural Science Foundation of Education Department of Shaanxi Provincial [2013JK0936]
- China Postdoctoral Science Foundation funded project [2014M562514XB]
- Scientific Research Fund of San-qin Scholar [BJ11-26]
- Scientific Research Fund of Shaanxi University of Science Technology [BJ12-10]
Ti2AlN ceramic was successfully synthesized by thermal explosion (TE) of Ti/Al/TiN as raw material at temperatures ranging from 650 degrees C to 850 degrees C for 2 min. Based on the results of SEM and XRD, the effects of preheating temperature and heating rate on the phase purity and microstructure were studied and the formation mechanism for Ti2AlN is proposed. This work offers a low-cost approach to Ti2AlN ceramic due to the very low synthesis temperature and extremely short processing time. (C) 2015 Elsevier B.V. All rights reserved.
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