Formation of TiC particle during carbothermal reduction of TiO2 |
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| Affiliation: | 1. Department of Chemical Engineering, University of Mohaghegh Ardabili, Ardabil, Iran;2. Department of Mechanical Engineering, University of Mohaghegh Ardabili, Ardabil, Iran;3. Young Researchers and Elite Club, Miyaneh Branch, Islamic Azad University, Miyaneh, Iran;4. Department of Advanced Technologies, University of Mohaghegh Ardabili, Namin, Iran;5. Department of Engineering Sciences, Sabalan University of Advanced Technologies (SUAT), Namin, Iran;1. Institute for Advanced Ceramics, School of Materials Science and Engineering, Harbin Institute of Technology, Harbin, 150080, China;2. Key Laboratory of Advanced Structure-Function Integrated Materials and Green Manufacturing Technology, Harbin Institute of Technology, Harbin, 150001, China;3. Materials Genome Institute, School of Materials Science and Engineering, Shanghai University, Shanghai, 200444, China;1. Department of Physics, IIT Madras, Chennai, 600036, India;2. Department of Electrical Engineering, IIT Madras, Chennai, 600036, India |
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| Abstract: | Formation of TiC particle during carbothermal reduction of titanium dioxide (TiO2) was investigated. The mixture with TiO2 and carbon resin was reacted at 1500 °C for 0–45 min under flowing Argon atmosphere. The powders were characterized using X-ray diffraction (XRD) and scanning electron microscopy (SEM). The partially reduced TiO2 particles were conglomerated in the initial stage of the reduction and the size of this conglomerate ranged from 500 to 1000 nm. After the complete reaction between Ti as a reduction product and C, the large conglomerates separated to homogeneous and fine TiC particles with a size of 80 nm. |
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