多弧离子镀CrAlN涂层对50BA钢硬度和耐磨性的影响.pdfVIP

HotWorkingTechnology2022,Vol.51,No.16

多弧离子镀CrAIN涂层对50BA钢

硬度和耐磨性的影响

谭培林，周志明1，涂坚，胡瀚杰，孙青云，陈全龙，曾宪君，谢洪权4

(1.

通用航空技术研究院，重庆401135;4.重庆渝江压铸有限公司，重庆404000)

摘要：采用多弧离子镀技术在渗氮过后的50BA钢表面制备了CrAIN涂层；然后采用显微硬度测试仪及摩擦磨

损试验机测试基体、渗氮层及涂层的力学和摩擦性能；最后采用扫描电镜（SEM)对涂层表面形貌进行表征，观察试样磨

损形貌，并分析其磨损机理。结果表明：较之于渗氮层和基体，所制备的CrAIN涂层硬度最高，比基体的硬度提高了5.2

倍；涂层的磨损程度明显最低，50BA钢表面的质量明显得到改善，耐磨性得到了极大提升。

关键词：多弧离子镀；渗氮层；CrAIN涂层；硬度；耐磨性

D0I:10.14158/j.cnki.1001-3814.

中图分类号：TG174.44文献标识码：A

EffectsofMulti-arcIonPlatingCrAINCoatingonHardness

andWearResistanceof50BASteel

TANPeilin,ZHOUZhiming2,TUJian,HUHanjie,SUNQinyun,

CHENQuanlong,ZENGXianjun’,XIEHongquan*

(1.SchoolofMaterialsScienceandEngieering,ChongqingUniversityofTechnology,Chongqing400054,China;2.Chongqing

GeneralAviationCo.,Ltd.,Chongqing401135,China;3.ChongqingEnstromGeneralAviationTechnologyResearchInstitute,

Chongqing401135,China;4.ChongqingYujangDieCastingCo.,Ltd,Chongqing404000,China)

Abstract:CrAINcoatingwaspreparedon50BAsteelafternitridingbymulti-arcionplating.Then,themechanicaland

frictionpropertiesofsubstrate,nitridinglayerandcoatingweretestedbymicrohardnesstesterandfrictionandweartester.

Finally,thesurfacemorphologyofthecoatingwascharacterizedbyscanningelectronmicroscope(SEM)toobservethewear

morphologyofthesampleandtoanalyzeitswearmechanism.Theresultsshowthatcomparedwithnitridinglayerand

substrate,thehardnessoftheCrAINcoatingisthehighest,whichis5.2timeshigherthanthatofthesubstrate.Thewear

degreeofthecoatingisobviouslythelowest,50BAstelsurfacequalityisobviouslyimproved.Thewearresistan