Re述综RECHULIJISHUYUZHUANGBEIAugust,20232023年8月Vol.44,No.4热处理技术与装备第44卷第4期奥氏体不锈钢离子渗氮技术研究进展靳曾博,王沐凡,逮宇暄,卢金鹏,王宁宁,李杨(烟台大学核装备与核工程学院,山东烟台264005)摘要:奥氏体不锈钢具有良好的组织稳定性、较好的耐腐蚀性,但是在海洋、强辐射条件下仍表现出强度不够,容易被腐蚀的现象,而且抗磨性较差,硬度相对较低,制约其应用与发展。为了改善奥氏体不锈钢表面综合性能,研究者们采用不同离子渗氮技术对其进行表面处理,可以形成厚度为几到几十微米的膨胀奥氏体相层(S相),提高了基体的硬度和耐蚀性能。综述了新型离子渗氮技术包括活性屏离子渗氮、空心阴极辅助离子渗氮、激光辅助离子渗氮、氮离子注入渗氮、低压电弧辅助渗氮和电子束辅助渗氮技术等最新进展。关键词:奥氏体不锈钢;离子渗氮;空心阴极;离子注入中图分类号:TG174.444,TG156.8文献标识码:A文章编号:1673-4971(2023)04-0066-08searchProgressofPlasamNitridingTechnologyforAusteniteStainlessSteeJINZeng-bo,WANGMu-fan,LUYu-xuan,LUJin-peng,WANGNing-ning,LIYang(SchoolofNuclearEquipmentandNuclearEngineering,YantaiUniversity,YantaiShandong264005,China)Abstract:Austeniticstainlesssteelhasgoodtissuestabilityandgoodcorrosionresistance,butitstillexhibitsinsufficientstrengthandispronetocorrosionunderoceanandstrongradiationconditions.Addi-tionally,itspoorwearresistanceandrelativelylowhardnesslimititsapplicationanddevelopment.Inordertoimprovethecomprehensivesurfacepropertiesofausteniticstainlesssteel,researchersuseddifferentionnitridingtechniquestofacilitatesurfacetreatment,whichcanformanexpandedaustenitephaselayer(Sphase)withathicknessofseveraltotensofmicrometers,improvingthehardnessandcorrosionresist-anceofthematrix.Thelatestdevelopmentsinnewionnitridingtechnologiesarereviewed,includingac-tivescreenionnitriding,hollowcathodeassistedionnitriding,laserassistedionnitriding,nitrogenionim-plantationnitriding,lowvoltagearcassistednitridingandelectronbeamassistednitriding.Keywords:austeniticstainlesssteel;plasamnitriding;Hollowcathode;ionimplantation奥氏体型不锈钢的化学成分是以Cr、Ni为基础添加Mo、W等元素,常温下具有稳定...