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Synthesis of boron carbide nanoparticles via spray pyrolysis

机译：喷雾热解法合成碳化硼纳米粒子

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摘要

A continuous process was developed to synthesize submicron boron carbide particles from boric acid and sucrose-based precursor solutions using a home-made spray pyrolysis system. A control set of samples was also prepared for comparison purposes of the microstructure and morphology of the ones synthesized via the spray pyrolysis method. Moreover, nickel nitrate was used in a precursor solution to investigate its catalyst effects on the reaction kinetics of boron carbide formation. The boron carbide phase was observed in the particles synthesized with spray pyrolysis at a reactor temperature of 1550 ℃. The average particle size was approximately 0.46 μm. No effect of nickel additions was observed as a catalyst in boron carbide formation. Computational fluid dynamics software was used to model and simulate the experimental system. Simulation results provided information about the residence time and the temperature distribution along the tube reactor.
机译：开发了一种连续过程，可使用自制的喷雾热解系统从硼酸和蔗糖基前体溶液中合成亚微米级碳化硼颗粒。还制备了一组对照样品，用于比较通过喷雾热解法合成的样品的微观结构和形态。此外，将硝酸镍用于前体溶液中以研究其催化剂对碳化硼形成反应动力学的影响。在1550℃的反应器温度下，通过喷雾热解合成的颗粒中观察到碳化硼相。平均粒径为约0.46μm。在碳化硼的形成中没有观察到添加镍作为催化剂的作用。使用计算流体动力学软件对实验系统进行建模和仿真。仿真结果提供了有关停留时间和沿管式反应器的温度分布的信息。

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  • 来源
    《Journal of Materials Research》 |2016年第18期|2789-2803|共15页
  • 作者

    Beril Ozcelik; Celaletdin Ergun;

  • 作者单位

    Mechanical Engineering Department, Kahramanmaras Sutcu Imam University, Onikisubat, Kahramanmaras 46050, Turkey;

    Department of Mechanical Engineering, Gumussuyu Campus, Istanbul Technical University, Taksim, Istanbul 34437, Turkey, Adnan Tekin, Materials Science & Production Technologies, Applied Research Center, Istanbul Technical University, Maslak, Istanbul 34469, Turkey;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 正文语种 eng
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