The mathematic model of one dimensional multi stage carburation is obtained and it can describe every physical phenomenon in carburation.
该文建立了多段法渗碳的一维数学模型，用此数学模型能够清晰地描述渗碳过程中每一时段的物理行为。
2
The better technological process now is the step control of carbon potential during carburizing. It can be considered a multi stage carburation.
目前最佳渗碳工艺方法是在整个渗碳过程中对碳势进行台阶式控制，这一过程可以看成是一个多段渗碳过程。
3
Discusses the significance of spreading the carbon-potential control of drop-type carburation, points out two ways of realizing this control:atmosphere controllability and suitable control instrument.