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ID:32128987
大小:2.20 MB
页数:52页
时间:2019-01-31
《高性能钢背碳纤维织物2f聚合物自润滑衬层复合材料制备分析》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、广东工业大学硕士学位论文Bychangingthecontentoflubricantgraphite,MoS2,talc,thepaperstudiedthefrictionandwearpropertiesofcomposites,thethreecontentshavedifferenteffectsonthetribologicalpropertiesofthecomposites.Withtheincreaseofgraphitecontent,thedryfrictioncoefficientofthecompositesdecreased,buttheoilfriction
2、coefficientgraduallyincreases;MoS2hasthesameeffectonthetribologicalpropertiesofthecomposites;Withtheincreaseoftalc,thedryfrictioncoefficientandoilfrictioncoefficientshowedatendencytoincrease,butwhenitscontentreachesacertainvalue,thetribologicalpropertieshavesomeimprovement;Wecalllearnfromthetestr
3、esults:thedryfrictioncoefficientofcompositematerialsrangefrom0.066to0.13,oilfrictioncoefficientrangefrom0.052toO.084,comparedtothedryfrictioncoefficient,theoilfrictioncoefficientdecreasedbyabout1/4;Graphite,thebetterratioofMoS2,talcis2:7:3,thedryfrictioncoefficientofcomposites0.066,oilfrictioncoe
4、fficientof0.052;Atthesametime,experimentcontrastthetribologiealpropertiesofcomposite-45#steelandbronze一45#steel,Bytestresultsandthescanningelectronmicroscope(SEM),wecanknow:Underthesameexperimentalconditions,thesurfaceofthecounterpartofthecompositeshasalayeroftransferfilm,thefrictioncoefficientis
5、lowerthanthebronzeandasmalleramountofwear,comparedwiththebronzecomposite,thecompositehastribologicalproperties.BystudyingthetribologicalpropertiesofNO.16compositesunderdifferentloads,differentspeed,wecanknow:withtheincreaseofloadandspeed,thedryfrictioncoefficientandoilfrictioncoefficientofcomposi
6、tesareincreasing,butwhentheloadincreasestoacertainextent,therateofincreaseoffrictioncoefficientwillbethesmaller,butwhenspeedincreasedtoacertainvalue,thefrictioncoefficientbegantofall.Themechanicalpropertiesandtribologicalpropertiesofcarbonfiberreinforcedresinself-lubricatingcompositesaresuperiort
7、othecommonlycopper-basedcompositesandzinc—basedcomposites,andtheyhavethesimpleprocess,lowcost,energysavingandenvironmentalprotection,atthesametime,theyhaveobvioussocialandeconomicbenefits.Thesewillhelptosolvethetechnic
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