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1、实用标准文案《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日精彩文档实用标准文案窗体顶端精彩文档实用标准文案ApplicationandDevelopmentofLightweightMaterialforAutomobile窗体底端AbstractCarlightweightisanimportantmeanstoachieveenergy-savingemissionreductionandmethods,inimprovingthefueleconomyandenvi
2、ronmentalprotectionhasanimportantrole.Atpresent,thelightweightnewmaterialisthemainwayofthecurrentbodyweightreduction,throughthemulti-materialstructureoptimization,bothtoimprovevehicleperformance,butalsosignificantlyreducethequality.Thischapterdiscussestheperformanceandappli
3、cationofseverallightweightmaterials,describesthedevelopmentoflightweightmaterialsintheautomotiveindustryandtheapplicationofthetrendKeywords:automotive；lightweight；lightweightmaterials精彩文档实用标准文案Preface窗体顶端窗体顶端Thestudyoflightweightcarisamainstreamofmoderncardesignandmanufactu
4、ring.Carlightweight,istoensurethestrengthandsafetyofthecarunderthepremiseofthecarasmuchaspossibletoreducethequalityofthepreparation,therebyenhancingthevehicle'spower,reducefuelconsumptionandreduceexhaustpollution.Datashowthatifthecartoreducethequalityof10%,fuelefficiencycan
5、beincreasedby6%to8%,fuelconsumptioncanbereducedby6%to10%.Fuelconsumptiondecline,emissionsalsodecreased,whileresourceutilizationincreased,extendedlifeofthecar,theuseofperformancehasimprovedsignificantly.Carbodyqualityaccountsforabout50%ofthequalityofthevehicle,itisclearthatt
6、helightweightbodyforthevehiclelightweightplayapivotalrole[1].Atpresent,thecarbodyweightreductionhastwomainresearchdirections:First,theuseoflightweightmaterials;Second,optimizethestructure.Structuraloptimizationpotentialspacehasbeenverysmall,thegradualuseoflightweightnewmate
7、rialsisthecurrentbodyofoneofthemainmeansoflightweight.1NewhighstrengthsteelInrecentyears,withtheprogressofmetallurgicaltechnology,onthebasisofhigh-strengthsteel,withultra-lowcarbonasthebasiccharacteristics,andgraduallyformedwithdeepdrawing,highstrength,bakinghardeningperfor
8、manceofnewhigh-strengthsteel.Atpresent,theuseofhigh-strengthautomotivebodyismainly
