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1、WORD格式可编辑《专业英语论文考核》专业年级机械电子141姓名韦继虎学号1611140109指导教师董文彬完成时间2017年6月10日专业知识整理分享WORD格式可编辑窗体顶端专业知识整理分享WORD格式可编辑ApplicationandDevelopmentofLightweightMaterialforAutomobile窗体底端AbstractCarlightweightisanimportantmeanstoachieveenergy-savingemissionreductionandmethods,ini
2、mprovingthefueleconomyandenvironmentalprotectionhasanimportantrole.Atpresent,thelightweightnewmaterialisthemainwayofthecurrentbodyweightreduction,throughthemulti-materialstructureoptimization,bothtoimprovevehicleperformance,butalsosignificantlyreducethequality.T
3、hischapterdiscussestheperformanceandapplicationofseverallightweightmaterials,describesthedevelopmentoflightweightmaterialsintheautomotiveindustryandtheapplicationofthetrendKeywords:automotive；lightweight；lightweightmaterials专业知识整理分享WORD格式可编辑Preface窗体顶端窗体顶端Thestu
4、dyoflightweightcarisamainstreamofmoderncardesignandmanufacturing.Carlightweight,istoensurethestrengthandsafetyofthecarunderthepremiseofthecarasmuchaspossibletoreducethequalityofthepreparation,therebyenhancingthevehicle'spower,reducefuelconsumptionandreduceexhaus
5、tpollution.Datashowthatifthecartoreducethequalityof10%,fuelefficiencycanbeincreasedby6%to8%,fuelconsumptioncanbereducedby6%to10%.Fuelconsumptiondecline,emissionsalsodecreased,whileresourceutilizationincreased,extendedlifeofthecar,theuseofperformancehasimprovedsi
6、gnificantly.Carbodyqualityaccountsforabout50%ofthequalityofthevehicle,itisclearthatthelightweightbodyforthevehiclelightweightplayapivotalrole[1].Atpresent,thecarbodyweightreductionhastwomainresearchdirections:First,theuseoflightweightmaterials;Second,optimizethe
7、structure.Structuraloptimizationpotentialspacehasbeenverysmall,thegradualuseoflightweightnewmaterialsisthecurrentbodyofoneofthemainmeansoflightweight.1NewhighstrengthsteelInrecentyears,withtheprogressofmetallurgicaltechnology,onthebasisofhigh-strengthsteel,withu
8、ltra-lowcarbonasthebasiccharacteristics,andgraduallyformedwithdeepdrawing,highstrength,bakinghardeningperformanceofnewhigh-strengthsteel.Atpresent,theuseofhigh-streng
