| Autor: |
Hong Xiang Zhai, Meng Qi Li, Zhen Ying Huang |
| Rok vydání: |
2012 |
| Předmět: |
|
| Zdroj: |
Key Engineering Materials. :28-31 |
| ISSN: |
1662-9795 |
| DOI: |
10.4028/www.scientific.net/kem.512-515.28 |
| Popis: |
A high purity of Ti2AlC powder has been synthesized by pressureless sintering a mixture of Ti-Al-TiC-Sn (Sn as an additive) powders. Four recipes with different mole ratios of Ti-Al-TiC-Sn were examined at sintering temperature from 1400°C to 1480°C. A high purity of Ti2AlC powder can be obtained by sintering all these four recipes at temperature 1450°C for 10 min in an Ar atmosphere. The synthesis of Ti2AlC on this large mole ratio scale of starting materials is associated with the evaporation of Al at high temperature and the structure stability of Ti2AlC. From the X-ray diffraction analysis, a reaction path for the Ti2AlC formation is proposed. Scanning electron microscopy was also used to characterize the samples. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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