简介概要

Preparation of Nano-sized Zirconium Carbide Powders through a Novel Active Dilution Self-propagating High Temperature Synthesis Method

来源期刊:Journal Of Wuhan University Of Technology Materials Science Edition2015年第4期

论文作者:达奥运 龙飞 WANG Jilin XING Weihong WANG Yang ZHANG Fan 王为民 FU Zhengyi

文章页码:729 - 734

摘    要:High quality nano-sized zirconium carbide(Zr C) powders were successfully fabricated via a developed chemical active dilution self-propagating high-temperature synthesis(SHS) method assisted by ball milling pretreatment process using traditional cheap zirconium dioxide powder(ZrO2), magnesium powder(Mg) and sucrose(C12H22O11) as raw materials. FSEM, TEM, HRTEM, SAED, XRD, FTIR and Raman, ICPAES, laser particle size analyzer, oxygen and nitrogen analyzer, carbon/sulfur determinator and TG-DSC were employed for the characterization of the morphology, structure, chemical composition and thermal stability of the as-synthesized ZrC samples. The as-synthesized samples demonstrated high purity, low oxygen content and evenly distributed Zr C nano-powders with an average particle size of 50 nm. In addition, the effects of endothermic rate and the possible chemical reaction mechanism were also discussed.

详情信息展示

Preparation of Nano-sized Zirconium Carbide Powders through a Novel Active Dilution Self-propagating High Temperature Synthesis Method

达奥运1,龙飞2,WANG Jilin2,XING Weihong1,WANG Yang1,ZHANG Fan1,王为民1,FU Zhengyi1

1. State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology2. Key Lab of New Processing Technology for Nonferrous Metals & Materials Ministry of Education, China, Guilin University of Technology

摘 要:High quality nano-sized zirconium carbide(Zr C) powders were successfully fabricated via a developed chemical active dilution self-propagating high-temperature synthesis(SHS) method assisted by ball milling pretreatment process using traditional cheap zirconium dioxide powder(ZrO2), magnesium powder(Mg) and sucrose(C12H22O11) as raw materials. FSEM, TEM, HRTEM, SAED, XRD, FTIR and Raman, ICPAES, laser particle size analyzer, oxygen and nitrogen analyzer, carbon/sulfur determinator and TG-DSC were employed for the characterization of the morphology, structure, chemical composition and thermal stability of the as-synthesized ZrC samples. The as-synthesized samples demonstrated high purity, low oxygen content and evenly distributed Zr C nano-powders with an average particle size of 50 nm. In addition, the effects of endothermic rate and the possible chemical reaction mechanism were also discussed.

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