Influence of SPS parameters on the density and mechanical properties of sintered Ti3SiC2 powders |
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| Affiliation: | 1. Cairo University, Mechanical Design and Production Department, Giza, Egypt;2. Politecnico di Torino, Department of Applied Science and Technology, Torino, Italy;1. Forschungszentrum Jülich GmbH, Institute of Energy and Climate Research: Materials Synthesis and Processing (IEK-1), 52425 Jülich, Germany.;2. Department of Ceramics and Refractory Materials, Institute of Mineral Engineering, RWTH Aachen University, 52064 Aachen, Germany;3. Jülich Aachen Research Alliance, JARA-Energy, Germany |
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| Abstract: | The densification of Ti3SiC2 MAX phase was performed by the Spark Plasma Sintering (SPS) technique. The SPS parameters, such as sintering temperature, pressure and soaking time, were optimized to obtain fully densified samples which were characterized to obtain the best mechanical properties. The sintering temperature was varied from 1070 to 1300 °C, the soaking time from 1 to 10 min and the applied pressure from 60 to 180 MPa. The best full densified samples were sintered at 1300 °C applying 60 MPa for 7 min. TixCy and TiSi2 secondary phases were found in samples densified at 1200, 1250 and 1300 °C, due to decomposition of Ti3SiC2. These secondary phases, detected by XRD patterns, were confirmed by microhardness testing, FESEM observations and EDAX analyses. |
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