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1、实用标准《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日文档实用标准窗体顶端文档实用标准ApplicationandDevelopmentofLightweightMaterialforAutomobile窗体底端AbstractCarlightweightisanimportantmeanstoachieveenergy-savingemissionreductionandmethods,inimprovingthefueleconomyandenvironmentalprotectionhasanimportantrol
2、e.Atpresent,thelightweightnewmaterialisthemainwayofthecurrentbodyweightreduction,throughthemulti-materialstructureoptimization,bothtoimprovevehicleperformance,butalsosignificantlyreducethequality.Thischapterdiscussestheperformanceandapplicationofseverallightweightmaterials,describesthedevelopmentofl
3、ightweightmaterialsintheautomotiveindustryandtheapplicationofthetrendKeywords:automotive;lightweight;lightweightmaterials文档实用标准Preface窗体顶端窗体顶端Thestudyoflightweightcarisamainstreamofmoderncardesignandmanufacturing.Carlightweight,istoensurethestrengthandsafetyofthecarunderthepremiseofthecarasmuchaspos
4、sibletoreducethequalityofthepreparation,therebyenhancingthevehicle'spower,reducefuelconsumptionandreduceexhaustpollution.Datashowthatifthecartoreducethequalityof10%,fuelefficiencycanbeincreasedby6%to8%,fuelconsumptioncanbereducedby6%to10%.Fuelconsumptiondecline,emissionsalsodecreased,whileresourceut
5、ilizationincreased,extendedlifeofthecar,theuseofperformancehasimprovedsignificantly.Carbodyqualityaccountsforabout50%ofthequalityofthevehicle,itisclearthatthelightweightbodyforthevehiclelightweightplayapivotalrole[1].Atpresent,thecarbodyweightreductionhastwomainresearchdirections:First,theuseoflight
6、weightmaterials;Second,optimizethestructure.Structuraloptimizationpotentialspacehasbeenverysmall,thegradualuseoflightweightnewmaterialsisthecurrentbodyofoneofthemainmeansoflightweight.1NewhighstrengthsteelInrecentyears,withtheprogressofmetallurgicaltechnology,onthebasisofhigh-strengthsteel,withultra
7、-lowcarbonasthebasiccharacteristics,andgraduallyformedwithdeepdrawing,high文档实用标准strength,bakinghardeningperformanceofnewhigh-strengthsteel.Atpresent,theuseofhigh-strengthautomotivebodyismainlysheetmet