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Poster

WEB Ti3SiC2- and Ti3AlC2-based ceramics synthesis by spark plasma sintering of preceramic paper

Monday (02.03.2020)
07:41 - 07:41 Poster Room
Part of:
Line-Up:
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- Poster TBA -
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- Poster *web*Process Integration of Few-Layer MoS2 into a-Si:H Heterojunction pin-Photodiodes for extended Infrared Detection 1 Charles Otieno Ogolla
- Poster *web*Ti3SiC2- and Ti3AlC2-based ceramics synthesis by spark plasma sintering of preceramic paper 1 Elizaveta Sedanova
- Poster *web*Overheating microstructural study of nickel-based superalloys from turbine blades of aircraft engines 1 Dr. Ana Pastor
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Session -F: Functional Materials, Surfaces, and Devices
Belongs to:
Topic X: Poster Session


Titanium silicon carbide (Ti3SiC2) and titanium aluminum carbide (Ti3AlC2) are well-studied compounds among the nano-laminated Mn+1AX n ternary compounds, where М – transition metal, А – IIIA-IVA element of the periodic table, Х – carbon or nitrogen. These compounds usually exhibit a unique combination of both ceramic and metallic properties. A large number of MAX phases have been synthesized and the potential for their application has been demonstrated for different industries, in particular, they are promising materials for aerospace and transport applications. Porous MAX phase including paper-derived ceramics can be used for high-temperature filtering systems, energy-saving components, electrodes or sensor ceramics.

Spark plasma sintering (SPS) can be used for the synthesis of the MAX phase –based materials due to its potential for manufacturing dense materials at considerably low temperature in a relatively short time. In the present work, we suggested a novel technique to fabricate MAX-phase based materials by application of preceramic papers as preforms for SPS. The manufacturing of preceramic paper is one of the important technological approaches for shaping materials. The preforms can be shaped into multilayer laminates or more complex shapes. Additionally, the porosity of the composites can be controlled by the preceramic paper composition and sintering parameters.

The current work presents the results on the sintering of paper-derived Ti3SiC2– and Ti3AlC2–based composites. The influence of spark plasma sintering parameters on phase composition and microstructure was analyzed by X-ray diffraction (XRD) and scanning electron microscopy, respectively. In addition, energy-dispersive X-ray spectroscopy was carried out to analyze the distribution of elements and the phase arrangement depending on the sintering temperature. The influence of SPS parameters on the formation of phase composition, microstructure and mechanical properties of the sintered composites was discussed.

Speaker:
Elizaveta Sedanova
National Research Tomsk Polytechnic University
Additional Authors:
  • Egor Kashkarov
    National Research Tomsk Polytechnic University
  • Maxim Syrtanov
    National Research Tomsk Polytechnic University
  • Prof. Andrey Lider
    National Research Tomsk Polytechnic University
  • Prof. Nahum Travitzky
    Friedrich-Alexander-Universität Erlangen-Nürnberg

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