The results showed that, by certain cyclic quenching process, coarse grain of high temperature ion-carburizing can be fined effectively and its mechanical property can be improved.
结果发现，经一定的循环处理后，可以有效地细化经高温离子渗碳后的粗大晶粒，并能改善机械性能。
The mathematical model of multi stage carburizing is a linear partial differential equation, and superposability is an important property of the linear partial differential equation.
多段法渗碳的数学模型是线性偏微分方程。线性偏微分方程的一个重要性质是可迭加性。
The microstructure and property of alloy carburizing steel forged parts after general normalizing and isothermal normalizing were studied.
研究了合金渗碳钢锻件的普通正火与等温正火工艺参数对组织、性能的影响。
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