Synthesis of high-purity polycrystalline MAX phases in Ti-Al-C system through Mechanically Activated Self-propagating High-temperature Synthesis

被引：50

作者：

Hendaoui, A. ^{[1
,2
]}

Vrel, D. ^{[1
]}

Amara, A. ^{[2
]}

Langlois, P. ^{[1
]}

Andasmas, M. ^{[1
]}

Guerioune, M. ^{[2
]}

机构：

[1] CNRS, UPR 1311, LIMHP, F-93430 Villetaneuse, France

[2] Univ BADJI MOKHTAR, Dept Phys, LEREC, Annaba 23000, Algeria

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2010年 / 30卷 / 04期

关键词：

Powders-solid state reaction; Electron microscopy; X-ray methods; Microstructure-final; Carbides; X-RAY-DIFFRACTION; SHS REACTION; CERAMICS; TI3ALC2; TI3SIC2;

D O I：

10.1016/j.jeurceramsoc.2009.10.001

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

081705 [工业催化]; 082905 [生物质能源与材料];

摘要：

Ternary MAX phase compounds were synthesized using an alternative route called MASHS (Mechanically Activated Self-propagating High-temperature Synthesis). This original process combines a short duration ball milling (MA) of reactants (Ti, Al, C) with a self-sustaining combustion (SHS). The particle size evolution of the powder mixture during Mechanical Activation was monitored using XRD profile analysis. The effect of Al-excess was also discussed. XRD and SEM analyses have proved that the activation of the reaction kinetics must be accompanied by a decrease in the overall exothermicity in order to synthesize pure Ti-Al-C MAX phases by MASHS. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：1049 / 1057

页数：9

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