钢钢界面和陶瓷陶瓷界面的摩擦聚合机理研究

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1、摘要磨损情况对比，结果显示此添加剂具有良好的减磨效果；据电镜照片推断减磨机理为单酪分子间进一步缩合，生成了线型高分子保护膜。关键词：二聚酸／乙二醇单酯，润滑油添加剂，磨损，摩擦聚合，司班．80，二聚酸，陶瓷II摘要THEMECHANISMoFTRIBOPoLyMERIZATIoNToREDUCEWEARoNTHESURFACESoFIRoNoRALUMINAABSTRACTAccordingtothetheoryofFurey,span一80／dimeracidandmonoesterofdimeracid／glycolrespectively,asthelubricantadd

2、itives，wereaddedtobaseoilapplyingonthesurfaceofceramicoriron．tostudythewearreducingeffectandthemechanismofweardecrease．TheresultsshowgreateffectivenessofreducingweagandcanexplainFurey’Stheoryinotherways．Inordertoimprovedthedataaccuracyofthepin--on．．disktester,theboltwaspastedwiththeceramicori

3、ronballtogetherbytheepoxy；thecontainerholdingbaseoilwaschangedtodecreaseitsvolumeandbefixedinanotherway．Thetribologicaltestswerecarriedout，span．80／dimeracidasthelII摘要lubricantadditives，whichwereusedtolubricatethesurfaceofalumina-on·aluminaunderboundarylubricantcondition．Thesignificanteffectof

4、reducingwearcanbefound．Then，thiskindofmonomerabsorptionwerestudiedbyDifferentialscanningcalorimetry(DSC)．ThesurfaceofthewearscarwasanalyzedbyScanningelectronmicroscopy(SEM)，X-rayphotoelectronspectroscopy(XPS)andFourierinfraredspectroscopy(IR)．Theresultsindicatethattheadditivescanreactandgener

5、atetheprotectivepolyester．Finally,accordingtotheconclusionsabove，someanaloguepicturesCallbedrawntodescribethecourseofthetribopolymerization．Alltheresultsshowthatthemechanismofthetribopolymerizationinwhichspan-80／dimeracidasthelubricantadditivesappliedtothesurfaceofalumina．Theotherexperimentwa

6、sdoneonthesurfaceofiron／iron．、)lritllthemonoesterofdimeracid／glycolasthelubricantadditives，whichwasmadebytheuseofdimeracidandglyc01．ThroughtheFourierinfraredspectroscopy(IR)，gelpermeationchromatography(GPC)andtitration，thespeciesandcontainofmainproductsandby-productswereanalyzedUsingapin--on-

7、-disktester,addingmonoesterofdimeracid／glycolto400#neutralbaseoilaslubricantadditive，theweartestwasrunComparedtothebaseoilalone，thewearzoneofferrousdisksurfaces，whichwasstudiedbyscanningelectronmicroscopy(SEM)andopticalmicroscopy,showstheresu