基體及增強纖維對灰鑄鐵-復(fù)合閘瓦摩擦副摩擦磨損性能的影響.pdf

1、湖南大學(xué)碩士學(xué)位論文基體及增強纖維對灰鑄鐵復(fù)合閘瓦摩擦副摩擦磨損性能的影響姓名：馬燕申請學(xué)位級別：碩士專業(yè)：材料加工工程指導(dǎo)教師：陳剛20080420基體及增強纖維對灰鑄鐵／復(fù)合閘瓦摩擦副摩擦磨損性能的影響AbstractWiththedeVelopmentsofautomotiVeandtrain，indepthstudyoftheirbrakingperformancesismorepracticalsignincancewhich

2、wasimportantfortraf6csafetyAsthecontinuousimproVementoftrainspeedandloadincrease，thebrakingsystemandmaterialswererequiredhigherperformancesTheresinmatrixcompositehasbeenconsideredasoneofthekeycomponentsf6rallperformances

3、offrictionmateriaIsThisisbecauseitnotonlyjustcementsthe6berandinorganic6ller，transmitsandequalizesloadeffectiVely，butalsoplaysacrucialroleinimprovingheatresistance，wearresistanceandmechanicalpropertiesofthefrictionmateri

4、alsInthepreparationofresinmatrixcomposite，materialsselectionandproportionwereVarietyDif托rentconditionofusehassomeinnuencetochoiceofresinmatrixreinforcedfiberandfillingelement，componentsandfabricationtechnologyThecorrectc

5、hoiceofresinmatrixcompositef6rmula，reasonablestructuredesignedtoachievethebestcombinationofresultsisVeryimportantTheeffectoftheresinmatrix，reinforcednbertothefrictionandwearpropertiesofresinmatrixcompositewasstudyinthisp

6、aperThepurposeistoexploretheoptimumformulaofresinmatrixcompositeforgraycastironcounterAllOfthesampleswerefabricatedviaatwo—steppressingprocessGraycastironcounterringsandanMM1OOOfrictionmaterialtestingmachinewereemployedf

7、orfrictiontestsTheresinmatrixresearchshowsthat，theboron＼melaminecashewmodinedphenolicresin(FBYresin)hasexcellentthermalpropertyThefrictionmaterialwithFBYresinhaslowhardnessandwearstablefrictioncoe硒cientTheFBYresinissuita

8、bleastheresinmatrixfbrfrictionmaterialsFrictionmaterialwithchemicalsolutionmethodofthemodinednitrlebutadienerubber(NBR)hasbetterfrictionandwearproperties，andthemodinedNBRwitchBMImodifyingleVelof6％hasthebestfrictionandwea

9、rpropertiesTheefkctoff6urdif先rentenhancednbersystem(steel，brass，copperandsteel／copper)onfrictionandwearpropertiesoftheresinmatrixfrictionmate“alwerestudyTheresultsshowthatthesteel行berreinforcedfrictionmaterialhasahigherh