SiC Powder Manufactured by Preheating SHS
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摘要: 对SHS合成SiC粉末的粒度及其影响因素进行了较深入的研究,发现SiC产物的粒度主要由碳粉的粒度决定,与硅粉的粒度无关,并在此基础上提出了Si+C的反应机理。在预热SHS工艺中采用预置引燃剂法,可以省去自蔓延反应设备中的点火装置,实现工业化连续炉生产。Abstract: A more comprehensive study has been made on the particle size of SHS SiC powder and its influencing factors. It has been found the particle size of SiC is mainly depended on the particle size of carbon powder regardless of the particle size of silicon powder. On this base,the reaction mechanism of Si+C has been outlined. With preheating SHS technology,by using preset detonator,the ignition apparatus in SHS reaction equipment can be cancelled,thus realizing industrial continous production.
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Keywords:
- preheating SHS /
- SiC /
- preheating detonator process
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