Abstract
This paper is devoted to fabrication of Ti3SiC2-based ceramic materials from preceramic paper using spark plasma sintering (SPS) method. The synthesis temperature and pressure were 1373-1473 K and 30 MPa, respectively. The phase composition, microstructure and elemental composition were analysed using X-ray diffraction, scanning electron microscopy and energy-dispersive X-ray spectroscopy, respectively. The effect of temperature on the sintering process as well as on the phase and microstructure of the sintered materials was investigated.
Highlights
In the last decades much attention has been paid to developing composite ceramic materials based on non-oxide carbon compounds
The maximum current is passed through the entire assembly up to 673 K (400 °C) for 3 min heating, the abrupt behavior of the current values occurs and the current flow is adjusted according to the temperature measurements
In this paper the Ti3SiC2-based MAX-phase composites were synthesized by spark plasma sintering of preceramic papers at 1373 and 1473 K
Summary
In the last decades much attention has been paid to developing composite ceramic materials based on non-oxide carbon compounds. Different techniques are implemented to synthesize MAXphase ceramic materials such as hot isostatic pressing, spark plasma sintering and self-propagating hightemperature synthesis [1, 2]. In the recent years spark plasma sintering is widely used for MAX-phase synthesis due to its great potential for manufacturing single-phase dense materials in relatively short time at considerably lower temperature. Such materials possess superior mechanical properties in comparison with the ones produced by traditional processes of hot isostatic pressing or other sintering techniques [3]. The vast majority of research is aimed at decreasing the synthesis temperature, manufacturing high purity and density composites as well as the properties of synthesized MAX-phase ceramics
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