热浸镀铝与热浸渗铝钢抗高温氧化腐蚀性能对比研究

Study on Hot Dip Aluminizing and Hot- Diffusion Aluminizing Comparative Performance of High Temperature Oxidation and corrosionResistance on Carbon Steel

在实验室条件下通过不连续氧化增重试验对热浸镀铝与热浸渗铝钢的抗高温氧化腐蚀性能进行了对比研究,结果表明,热浸镀铝和热浸渗铝钢在高温下的氧化速度基本相同;材料表层由表面的氧化膜、母体以及扩散区三层组成,氧化膜具有优良的抗高温氧化性能;热浸渗铝钢因表面形成了致密的铁铝金属化合物层,因此耐磨性能更好。

Under the laboratory conditions of 900 ℃, discontinuous 100h oxidation weight gain experiment of hot dip aluminiz- ing and high temperature oxidation and corrosion resistance of hot dip aluminized steel were investigated, results showed that, hot dip aluminizing and Hot-diffusion aluminizing on cardon steel under high temperature oxidation rate is basically consistent; material surface layer is composed of surface the oxide film, the parent and the diffusion region of the three layer, the oxide film has excellent high temperature oxidation resistance of hot dip aluminized steel; as formed on the surface of iron and aluminum metal compound layer of dense, so better wear resistance.