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Micron-sized silicon carbide particle production via rapid unloading of high-pressure liquid CO2
Fan YB(范永波); Qiao JY(乔继延); Li SH(李世海); Feng C(冯春)
发表期刊Journal of the Australian Ceramic Society
2018-09
页码1-6
摘要

We describe a novel methodology for micron-sized silicon carbide particle production via rapid unloading of high-pressure liquid CO2. The method is based on the physical characteristics of liquid CO2 such as low viscosity, high permeability, and a high dilation coefficient. A series of silicon carbide powdering experiments were performed. The overall process includes water saturation, water and silicon carbide filling, pressure initialization, CO2 filling, high pressure initialization, and CO2 gasification, which is a completely physical process. After high-pressure penetration and CO2 gasification expansion, the silicon carbide will immediately be converted into micron-sized particles. Most importantly, this method is much more effective than the most popular method of SiC synthesis (Acheson method). Laser grain size analysis indicates that the grain size of the silicon carbide particles ranges between 30 and 50 μm, and the percent grain size less than 176.9 μm accounts for 90%. The rapid unloading of high-pressure liquid CO2 method is much more environmentally friendly, efficient, energy saving, and effective.

关键词Rapid Unloading Of Liquid Co2 High Pressure Initialization Silicon Carbide Micron-sized Particle
DOI10.1007/s41779-018-0267-3
收录类别SCI ; EI
语种英语
论文分区Q4
力学所作者排名1
引用统计
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/78036
专题流固耦合系统力学重点实验室
通讯作者Fan YB(范永波)
推荐引用方式
GB/T 7714
Fan YB,Qiao JY,Li SH,et al. Micron-sized silicon carbide particle production via rapid unloading of high-pressure liquid CO2[J]. Journal of the Australian Ceramic Society,2018:1-6.
APA Fan YB,Qiao JY,Li SH,&Feng C.(2018).Micron-sized silicon carbide particle production via rapid unloading of high-pressure liquid CO2.Journal of the Australian Ceramic Society,1-6.
MLA Fan YB,et al."Micron-sized silicon carbide particle production via rapid unloading of high-pressure liquid CO2".Journal of the Australian Ceramic Society (2018):1-6.
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