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1、碳纤维——CarbonFiberAbstractofContent:一、Thestructureandpropertiesofcarbonfiber二、Preparationofcarbonfiber三、Theuse,presentsituationanddevelopmentprospectofcarbonfiber2Carbonfiberbelongtopolymerizationofcarbon,itistheoppositeoforganicsolidshouldbeconvertedto3dcarboncompounds,carbonizationproces
2、sisdifferent,theproductstructureformationisdifferentalso.Carbonfiberandgraphitefiberinthestrengthandelasticmodulushaveverybigdifference,thisismainlyduetothedifferentstructure.Carbonfiberisofsmallalayerofgraphitecrystalofpolycrystalline,carboncontentabout75-95%;Graphitefiberstructureandgr
3、aphitesimilar,carboncontentofupto98-99%,impurities,quiteafew.Thecarboncontentofcarbonfiberandmanufacturingprocessoffibercarbonizationandgraphitizationprocessrelated.carbonfiberstructurecarbonfibercarbonizationprocessOrganiccompoundsinaninertgasheatingto1000ina1500degrees,allthecarbonatom
4、s(nitrogenandhydrogen,oxygen,etc)willgraduallybedeported,carboncontentgraduallytoincrease,asthecarbonatomsexcluded,andsolidalternatewithinaseriesofdehydrogenation,cyclization,handinchainsandpolycondensation,chemicalreaction,formcarbonfiber.4carbonfibergraphitizationprocessTemperatureto20
5、00a3000degree,tracesofthecarbonatomstocontinuetoruleout,furtherreactionformationfangringplanegraduallytoincrease,thearrangementisneat,sexualorientationsignificantlyincreased,andthe2dalayerofgraphitestructureto3dconversionorderlystructure,formofgraphitefiber,theelasticchessisgreatlyimprov
6、ed.5Thecarbonfiberthree-dimensionalstructureschematicdrawing.6CarbonfibermaterialperformanceFirst,carbonfibermaterialselectricconversionefficiency,saveelectricenergy.Carbonfiberelectrothermalbodyisafullblackbodymaterials,electricheatefficiencyofconversion30%higherthanmetalfever,electrich
7、eatefficiencyabout100%.7Second,carbonfibermaterialsconductiveenergy-savingperformanceisgood,noimpactonthecurrent.Metalfeverinthestartorclosedcable,becauseofthemetalitselftomaterial,canproduceamomentwhenthemosthighpower,canachievemaximumpowerratingofmorethantwotimes.Atthes