183涂布无铬钝化剂和防锈油的镀锌铝镁板局部腐蚀原因分析徐闻慧1,杨洪刚1,吕家舜1,金勇1,姜效军2(1.鞍钢集团钢铁研究院,辽宁鞍山114009;2.辽宁科技大学化工学院,辽宁鞍山114051)[摘要]为探索镀锌铝镁板在涂覆无铬钝化液和防锈油后在运输环境下的腐蚀机理,利用XPS和能谱技术分析了色差区的元素差异;利用原子力显微镜考察了镀锌板无铬钝化膜腐蚀前后的微观结构;利用Raman光谱分析了涂布无铬钝化剂的固化机理及防护过程。研究得出:防锈油组分与钝化膜组分反应影响了涂覆膜的防锈性能;Raman光谱揭示提高固化板温到90℃固化更完全,防锈能力明显增强。[关键词]镀锌铝镁钢板;钝化膜;防锈油原子力显微技术;Raman光谱;腐蚀防护[中图分类号]TG172[文献标识码]Bdoi:10.16577/j.issn.1001-1560.2023.0076[文章编号]1001-1560(2023)03-0183-06AnalysisonLocalizedCorrosionCausesofGalvanizedAl⁃MgSteelPlateCoatedwithChromiumFreePassivatorandAntirustOilXUWen⁃hui1,YANGHong⁃gang1,LVJia⁃shun1,JINYong1,JIANGXiao⁃jun2(1.IronandSteelResearchInstituteofAnsteelGroup,Anshan114009,China;2.SchoolofChemicalEngineering,UniversityofScienceandTechnologyLiaoning,Anshan114051,China)Abstract:InordertoexplorethecorrosionmechanismofgalvanizedAl⁃Mgsteelplatecoatedwithchromium⁃freepassivesolutionandanti⁃rustoilinthetransportationenvironment,XPSandEDSwereusedtoanalyzetheelementdifferencesinthecolor⁃differencezone.Themicrostruc⁃tureofchromium⁃freep...