| 1 | Reaction Mechanism of O‘—sialon—ZrO2 Composite by Using Reaction Nitridation Mathod显示文摘O'-sialon-ZrO2 composite based on the cheap commercial available zircon and silicon as raw materials can be achieved by using reac-tion nitridation method,More attention was given to the nitriding process and the effect of additives on it .The experimental results show that there are two nitridation paths:one is the direct nitridation of silicon powder and the other is through the reaction between the medi-um compound ZrSi2 and the nitrogen.The effects of addition of calcia and the incorpora-tion of BN on the nitriding reaction were also investigated,the primitive experimental results demonstrated that both of calcia and BN could deteriorate the nitriding degree. | LIHongxia JIBaokun 等 | 1997 | China's Refractories1997，6，2： | 3 |
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