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Effects Of Tial3 Addition In Ti--Al--C System On Combustion Synthesis Of Ti3alc2 Powders |
GUO Junming; CHEN Kexin; ZHOU Hepin |
State Key Laboratory of New Ceramics and Fine Processing; Department of Materials Science and Engineering;Tsinghua University |
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Cite this article:
GUO Junming; CHEN Kexin; ZHOU Hepin. Effects Of Tial3 Addition In Ti--Al--C System On Combustion Synthesis Of Ti3alc2 Powders. Acta Metall Sin, 2004, 40(1): 109-112 .
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Abstract The experiment results show that the combustion products is TiC and very small amount of Ti3AlC2 if using the stoichiometric ratio of formula Ti3AlC2 and Ti, Al and C powders as raw materials. However, Ti3AlC2 become the main phase in the final product as adding intermetallic compound TiAl3 in the raw mixtures without changing overall stoichiometry. The amount of Ti3AlC2 is increased with increasing the amount of TiAl3 in the initial mixtures. The above experimental phenomena were alsoexplained through thermodynamic and kinetic analysis.
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Received: 07 January 2003
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