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Effect factors on SiC prepared by micro-wave sintering

HAO Bin1,LIU Jian1,LIU Jin-qiang1,WANG Fu2(1.Department of Environtion and Chemical Engineering,Tangshan College,Tangshan 063000,China; 2.High and New Technology Research and Transform Center of Tangshan of Academia Sinica,Tangshan 063000,China)  
As reactors,coke and quartz sand are added,and silicon carbide powder with different grain size was prepared by microwave heating method.The effects of reaction temperature(1300-1600 ℃),holding time(15-60 min) and particle size of coke on phase,productivity and particle size of silicon carbide powder were studied.The results show that SiC micro powder can be prepared at 1600 ℃×30 min and the content of SiC can reach 98.1%;SiC powder with 8.6 μm and 156.9 μm of D50 can be got by controlling the size of coke particle.This method has cheap raw materials,simple technology,and it is easy to realize industrialization.
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