摘要
TheironrustphasesformedonIowalloysteelscontainingdifferentquantitiesofCrelementhavebeencharacterizedusingEPMA,Ramanspectroscopy,TEM,opticalmicroscopyetc.Theionselectivepropertiesofsynthesizedrustfilmswiththesamephaseconstituentastheatmosphericcorrosionproductswereinvestigatedusingself-madeapparatus.TheresultsshowedthatcorrosionlossofsteelsexposedinmarineatmospheredecreasedrapidlyastheCrcontentofthesteelwasincreased.Cr-containingsteelswerecoveredbyauniformcompactedrustlayercomposedoffineparticleswithanaveragediameterofseveralnanometers.InnerrustlayerofCr-containingsteel(2massfraction)wascomposedofα-CrxFel-xOOH,withCrcontentofabout5massfraction.Suchrustlayershowedcationselectiveproperty,andcoulddepressthepenetrationofCl-tocontactsubstratesteeldirectly.
出版日期
2002年05月15日(中国期刊网平台首次上网日期,不代表论文的发表时间)