Experiment results showed that the process of Hot Dip Aluminum and complex Boronisation on the A3 surface is feasible, it had a continuous layer between diffusion layer and matrix and a better hardness gradient.

• 试验表明 :A3钢表面浸镀扩散渗铝复合渗硼工艺可行 ,渗层与基体形成了连续的扩散层 ,并且具有良好的硬度梯度。