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Synthesis of Ti3SiC2 MAX Phases by High Energy Ball Milling of Elemental Powders of Ti, Si and graphite C. Iranian Journal of Ceramic Science & Engineering 2015; 4 (3)
URL: http://ijcse.ir/article-1-358-en.html
Synthesis of Ti3SiC2 MAX Phases by High Energy Ball Milling of Elemental Powders of Ti, Si and graphite C
Abstract:   (8434 Views)
In this study synthesis of Ti3SiC2 MAX phase was investigated  by high energy ball milling of elemental powders of Ti, Si and graphite C. To this aim, mixture of Ti, Al and C according to stoichiometric composition of Ti3SiC2 with Ti:Si:C=3:1:2 was milled by a planetary ball mill with ball to powder ratio of 10:1 and 450 rpm in speed for different times up to 20h. The reaction path was investigated by X-Ray diffractometry (XRD). The microstructure of powders after milling was investigated by scanning electroned microscope (SEM) equipped with energy-dispersive spectroscopy (EDS). The results show that After 20 hours milling the elemental powders reacts together and Ti3SiC2 and TiC formed. Also the SEM micrographs confirmed the formation of Ti3SiC2 after 20 hours milling. It is believed that a mechanically induced self-propagating reaction (MSR) was triggered to form Ti3SiC2 and TiC during high-energy ball milling process.
Keywords: Synthesis, Ti3SiC2, MAX phase, High energy ball milling, MSR
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Type of Study: Research | Subject: Bioceramics
Received: 2016/02/15 | Accepted: 2016/02/15
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