学科分类
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2 个结果
  • 简介:ThetargetproductswerepreparedbyhomogeneousprecipitationmethodusingSDSandPEG800,respectively,assurfactantatareactiontemperatureof95℃for3h,followedbycalcinationat400℃for3h.ThesampleswerecharacterizedandanalyzedbyXRD,SEM,FTIRandzetapotentialmeasurements.Theproductsweremodifiedwithdifferentsurfactantstoimprovetheirdispersionstability,boththeamountandthebestzetapotentialvaluesofwhichwereidentifiedinthiswork.Thesurface-modifiednano-particleswereaddedatamassfractionof1.0%,2.0%,3.0%,and4.0%,respectively,intothebaseoil.Itwasshowedthattheadditiveinbaseoilhasgoodoilsolubilitywithoutdetectablecorrosionofcopperstripe,andhadexcellentbehaviorintermsofanti-wearperformanceandlowerfrictioncoefficient.

  • 标签: 分散稳定性 基础油 纳米氧化物 润滑特性 ZETA电位 表面活性剂
  • 简介:ZnOnanoparticleswithanaveragesizeof125nmwerepreparedviahomogeneousprecipitationmethodandwerecharacterizedbySEM.Theproductsweresurface-modifiedbythesurfactantSDS.Surface-modifiednanoparticleswereaddedatamassratioof1.0%,2.0%,3.0%,and4.0%,respectively,inbaseoilandtheirfrictionandwearbehaviorswereevaluatedonaMRS-10Dtypefour-ballweartester.Afterfour-ballweartests,themorphologyoftherubbingsurfaceswasevaluatedwithmetallographicmicroscope.ItwasrevealedthatthemodifiednanoZnOhadexcellentbehaviorforimprovinganti-wearpropertyandfrictioncoefficient,whichcouldgreatlyreducethefrictionofmachineparts.

  • 标签: 纳米氧化锌 表面改性 基础油 润滑性能 ZNO纳米粒子 摩擦磨损行为