高强化条件下离子液体对不同种活塞环-气缸套摩擦磨损性能影响的研究

打开文本图片集

主题词：离子液体氮化气缸套 摩擦学性能 GDC活塞环中图分类号：U473.6；U464.132 文献标志码：A DOI：10.19620/j.cnki.1000-3703.20230169

Research on Influence of Ionic Liquids on the Friction and Wear Behavior ofVarious Piston Ring-Cylinder Liner under High-Intensity Conditions

GaoZhiwei¹，HuangRuoxuan²，LiShengqun'，ZhangLiang'，LiBaoquan' （1.Global R&D Center，China FAW Corporation Limited，Changchun130o13;2.China NorthEngineResearch Institute， Tianjin 300000）

【AbstractIInordertoinvestigate thetribologicalperformanceofIonic Liquid（IL）indiferentkindsof paired pairs under highly intensified operating conditions，IL with a mass fraction of 2% is added to the base oil to lubricate the paired pairs，and itseffectonthefriction，wearandabrasioncharacteristicsofthethreepairedpairsisevaluated.Usingtheintermitenteanoil testmethod，thispaperanalyses theefectofionicliquidsontheanti-stretchingperformanceofbaseoilsindiferentpiston ring-cylinderliner mating pairs.Through thedetectionof the surface microscopic morphology，chemical elementcomposition anddistributionofthematingpairsaftertheabrasion，thispaperalsoexplainsthearasionbehaviourof thematingpairsunder thelubricationconditionsofionic liquidsandtherelated mechanisms.Thetestresultsshow thattheionicliquidadditiveshelp to improve thetribologicalperformanceof the3pairsofpairsof pairs，astheultrafine-phasenanodiamondexfoliationinthe Goetze Diamond Coating（GDC）pistonringsdestroysthefrictionfimgeneratedbytheionicliquidsonthesurfaceof thepairof pairsofpairsofpairsofsubstrates，whichleadstotheleastenhancementofthe tribologicalperformanceofthepairsof pairsof GDC piston rings.

Key words： Ionic Liquid Π（IL） ，Nitriding cylinder liner， Tribological properties，GDC piston ring

【引用格式】郜智伟，黄若轩，李胜群，等.高强化条件下离子液体对不同种活塞环-气缸套摩擦磨损性能影响的研究[J].汽车技术，2025（12）：29-39.GAOZ W，HUANGRX，LISQ，etal.Researchon InfluenceofIonicLiquidsontheFrictionand WearBehaviorof VariousPiston Ring-Cylinder Liner underHigh-Intensity Conditions[J].Automobile Technology，2O25（12）：29-39.

1前言

随着柴油机向高功率密度发展，在保证相同功率的同时，减小原始柴油机的尺寸，易导致内燃机中活塞环-气缸套间的温度、压力不断提高，配对副间机械负荷和热负荷明显增大，严重影响发动机的可靠性和使用寿命[1-2]。（剩余14827字）