针对石墨砂型铸渗过程，提出了在碳化物析出条件下石墨砂型铸渗过程的温度场、浓度场、固相分数场统一数学模型；
The numerical model of casting carburizing process of graphite sand on the condition of carbide precipitation casting process is shown.
探讨了石墨粉加入量对硼砂型固体渗硼剂结块的影响。
The influence of amount of graphite powder addition on the agglomeration of pack boriding agent with borax has been discussed.
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