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Open AccessArticle

The Microwave-Assisted Green Synthesis of TiC Powders

College of Materials Science & Engineering, South China University of Technology, Guangzhou 510640, China
Department of Chemical & Biomolecular Engineering and Polymer Program, Institute of Materials Science, University of Connecticut, Storrs, CT 06269, USA
Guangzhou Redsun Gas Appliances Co., Ltd., Guangzhou 510460, China
Authors to whom correspondence should be addressed.
Academic Editor: Jie Zheng
Materials 2016, 9(11), 904;
Received: 6 September 2016 / Revised: 2 November 2016 / Accepted: 3 November 2016 / Published: 8 November 2016
(This article belongs to the Special Issue Smart Biomaterials and Biointerfaces)
Titanium carbide (TiC) is an important engineering material and has found widespread applications. Currently, TiC is typically synthesized through carbothermal reduction, requiring a high temperature (ca. 1700–2300 °C) and long reaction time (ca. 10–20 h), which is not eco-friendly. During a conventional reaction path, anatase TiO2 (A-TiO2) was first converted to rutile TiO2 (R-TiO2), which was subsequently reduced to TiC. Herein, we explored the synthesis of TiC powders with the assistance of microwave heating. In particular, we achieved the conversion of A-TiO2, which was more reactive than R-TiO2 for the carbothermal reduction, to TiC, which was directly due to quick microwave heating. As such, the carbothermal reduction started at a much lower temperature of ca. 1200 °C and finished within 30 min when reacting at 1400 °C, leading to significant energy saving. This study shows that microwave-assisted synthesis can be an effective and green process for preparing TiC powders, which is promising for future large-scale production. The influence of the reaction temperature, the reaction duration, and the carbon content on the synthesis of TiC powders was investigated. View Full-Text
Keywords: TiC powders; microwave-assisted synsthesis TiC powders; microwave-assisted synsthesis
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MDPI and ACS Style

Wang, H.; Zhu, W.; Liu, Y.; Zeng, L.; Sun, L. The Microwave-Assisted Green Synthesis of TiC Powders. Materials 2016, 9, 904.

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