将表面涂有渗剂的２０钢试样，利用感应加热的方法进行渗铝。由于其加热速度快，晶粒细小；加热温度高，化学反应剧烈；试样表面存在电场及磁场，使渗入速度大大加快。与其它渗铝方法比较，渗速提高几倍至几十倍。本文还对渗铝层组织进行金相分析，对渗铝结果进行数学线性回归处理，计算了铝的扩散系数 The surface is coated with a penetration agent 20 steel sample, the method of induction heating aluminizing. Because of its heating speed, fine grain; heating temperature is high, the chemical reaction is violent; there is electric field and magnetic field on the sample surface, so that infiltration speed greatly accelerated. Compared with other aluminizing methods, the infiltration rate increased several times to several times. In this paper, the microstructure of the aluminized layer was analyzed metallographically, and the results of aluminizing were mathematically and linearly regressed. The diffusion coefficients of aluminum