烧结金属纤维多孔材料是一种优质高效新型功能材料。通过浸泡试验、动电位极化扫描、金相分析及SEM扫描电镜等试验对316L不锈钢纤维多孔材料的腐蚀机理进行了系统的研究。研究发现:晶界腐蚀和蚀坑对材料的腐蚀过程均有影响;纤维烧结点处比纤维杆处耐蚀;随着孔隙率的增大,纤维毡的腐蚀失重量增大,腐蚀程度更严重。 Sintered metal fiber porous material is a new type of high quality functional materials. The corrosion mechanism of 316L stainless steel fiber porous material was systematically studied by immersion test, potentiodynamic polarization scanning, metallographic analysis and SEM scanning electron microscopy. The results show that the grain boundary corrosion and pitting corrosion have an impact on the corrosion process of the material; the fiber sintering point is more resistant to corrosion than the fiber rod; as the porosity increases, the corrosion loss weight of the fiber mat increases, .