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Research Article | Open Access

Effect of processing parameters on in situ screen printing-assisted synthesis and electrical properties of Ti3SiC2-based structures

Mylena LORENZa, Nahum TRAVITZKYa,b, Carlos R. RAMBOc( )
Department of Materials Science, University of Erlangen-Nuremberg, 91058 Erlangen, Germany
Tomsk Polytechnic University, 634050 Tomsk, Russia
Department of Electrical and Electronic Engineering, Federal University of Santa Catarina, 88040-900 Florianopolis, Brazil
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Abstract

This work reports on the development of pastes containing Ti, TiC, Si, and C elementary powders for in situ synthesis of Ti3SiC2 via screen printing. Four paste compositions were manufactured using two powder mixtures (Ti/Si/C and Ti/TiC/Si/C) with different stoichiometry. The pastes were screen printed onto Al2O3 substrates and sintered at 1400 ℃ in argon varying the dwell time from 1 to 5 h. The printed pastes containing TiC and excess of Si exhibited the lowest surface roughness and after 5 h sintering comprised of Ti3SiC2 as the majority phase. The electrical conductivity of this sample was found to range from 4.63×104 to 2.57×105 S·m-1 in a temperature range of 25-400 ℃.

Keywords

MAX phasesTi3SiC2screen printingin situ synthesiselectrical conductivity

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Journal of Advanced Ceramics
Volume 10 Issue 1,
February 2021
Pages 129-138
DOI: 10.1007/s40145-020-0427-0

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LORENZ M, TRAVITZKY N, RAMBO CR. Effect of processing parameters on in situ screen printing-assisted synthesis and electrical properties of Ti3SiC2-based structures. Journal of Advanced Ceramics, 2021, 10(1): 129-138. https://doi.org/10.1007/s40145-020-0427-0

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Received: 12 July 2020
Revised: 17 September 2020
Accepted: 26 September 2020
Published: 18 January 2021
© The Author(s) 2020

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