1、武漢理工大學碩士學位論文Sialon結合SiC摩擦材料的制備與性能研究姓名：鄧強申請學位級別：碩士專業(yè)：應用化學指導教師：魏明坤20070401武漢理工大學碩士學位論文AbstractAlong、ⅣimrapiddevelopmentoftechnologymorepropertiesoffrictionmaterialsarerequiredTraditionalfrictionmaterialscan’tsaristypractic

2、alrequirementsTherefore，itisimportantandurgenttodevelopnewkindsoffrictionmaterialswithexcellentpropertiesSiCisakindofspecialceramicwithoutstandingproperties，widelyusedinindustrySiCceramicsanditscomposRes，whichhavelowdens

3、ityhighstrengthhighwealresistanceandchemicalstabilityathightemperature，possiblypossessoftremendousappliedpotentialinthefieldoffrictionmaterialsInthispaperSiC—basedceramicfrictionmaterialsaresinteredbySiC，sinteringagentan

4、daddingauxiliarymaterialsundernormalpressureandlowtemperatureUsingthefrictiontestingmachine，thefrictionbehaviorsandmechanismofSiCbasedceramicfrictionmaterialsalesystematicallystudied，includingtheeffectsofdifferentrawmate

5、rialsratio，differentformingpressureandadditivesFurthermore，themicrostructureandpropertiesofSiC—basedceramicfrictionmaterialsarediscussedbyXRDandSEM，whichoffertheexperimentalreferencesforusingSiCbasedceramicmaterialsas行ic

6、tionmaterialsThestudyshowsthatfrictioncoefficient，wearrate，F(xiàn)racturetoughnessandcompressionstrengthofSiC—basedceramicmaterialsallhavethetrendtodecrease，withtheamountofsilicondecreasingandtheSiCincreasingTheresultshowsmatd

7、ensityincreasesandporositydecreaseswhilefrictioncoefficientdecreasesandwealrateincreaseswitllsinteringtemperatureincreasingFracturetoughnesspropertyenhanceswitllthesinteringtemperatureincreasingKeywords：SiCceramic，fricti