机械工程专业英语论文正文

机械工程专业英语论文正文

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1、完美WORD格式整理《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日范文.范例.指导完美WORD格式整理窗体顶端范文.范例.指导完美WORD格式整理ApplicationandDevelopmentofLightweightMaterialforAutomobile窗体底端AbstractCarlightweightisanimportantmeanstoachieveenergy-savingemissionreductionandmethods,inimprovingthefueleconomyandenvir

2、onmentalprotectionhasanimportantrole.Atpresent,thelightweightnewmaterialisthemainwayofthecurrentbodyweightreduction,throughthemulti-materialstructureoptimization,bothtoimprovevehicleperformance,butalsosignificantlyreducethequality.Thischapterdiscussestheperformanceandapplicationofseverallightwe

3、ightmaterials,describesthedevelopmentoflightweightmaterialsintheautomotiveindustryandtheapplicationofthetrendKeywords:automotive;lightweight;lightweightmaterials范文.范例.指导完美WORD格式整理Preface窗体顶端窗体顶端Thestudyoflightweightcarisamainstreamofmoderncardesignandmanufacturing.Carlightweight,istoensurethest

4、rengthandsafetyofthecarunderthepremiseofthecarasmuchaspossibletoreducethequalityofthepreparation,therebyenhancingthevehicle'spower,reducefuelconsumptionandreduceexhaustpollution.Datashowthatifthecartoreducethequalityof10%,fuelefficiencycanbeincreasedby6%to8%,fuelconsumptioncanbereducedby6%to10%

5、.Fuelconsumptiondecline,emissionsalsodecreased,whileresourceutilizationincreased,extendedlifeofthecar,theuseofperformancehasimprovedsignificantly.Carbodyqualityaccountsforabout50%ofthequalityofthevehicle,itisclearthatthelightweightbodyforthevehiclelightweightplayapivotalrole[1].Atpresent,thecar

6、bodyweightreductionhastwomainresearchdirections:First,theuseoflightweightmaterials;Second,optimizethestructure.Structuraloptimizationpotentialspacehasbeenverysmall,thegradualuseoflightweightnewmaterialsisthecurrentbodyofoneofthemainmeansoflightweight.1NewhighstrengthsteelInrecentyears,withthepr

7、ogressofmetallurgicaltechnology,onthebasisofhigh-strengthsteel,withultra-lowcarbonasthebasiccharacteristics,andgraduallyformedwithdeepdrawing,highstrength,bakinghardeningperformanceofnewhigh-strengthsteel.Atpresent,theuseofhigh-st

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