SHS of high-purity MAX compounds in the Ti-Al-C system
Ali HendaouiCNRS-LIMHP, UPR 1311, Université Paris 13, Institut Galilée, 99 Av. J.-B. Clément, Villetaneuse, 93430, FranceMohamed AndasmasCNRS-LIMHP, UPR 1311, Université Paris 13, Institut Galilée, 99 Av. J.-B. Clément, Villetaneuse, 93430, FranceA. AmaraLEREC, Département de Physique, BP 12, Faculté des Sciences, Université Badji Mokhtar, Annaba, 23000, AlgeriaA. BenaldjiaLEREC, Département de Physique, BP 12, Faculté des Sciences, Université Badji Mokhtar, Annaba, 23000, AlgeriaP. LangloisCNRS-LIMHP, UPR 1311, Université Paris 13, Institut Galilée, 99 Av. J.-B. Clément, Villetaneuse, 93430, FranceD. VrelCNRS-LIMHP, UPR 1311, Université Paris 13, Institut Galilée, 99 Av. J.-B. Clément, Villetaneuse, 93430, France
2008en
ABI
Annotatsiya
During the synthesis of MAX phases using combustion synthesis (or Self-Propagating High-temperature Synthesis), the main drawback is the presence of binary phases, and especially the simple MX carbide, when X = C. Our experiments were designed in order to check whether the cooling rate of the sample immediately after synthesis might play a key role for obtaining samples with low-level carbide contents. In the best conditions, a TiC content of about 2% only has been observed. A systematic study on the direct effect of the cooling rate on the final composition has then been conducted, and confirms that high cooling rates allow the synthesis of high-purity MAX phases in the Ti-Al-C system.
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