《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日窗体顶端ApplicationandDevelopmentofLightweightMaterialforAutomobile窗体底端AbstractCarlightweightisanimportantmeanstoachieveenergy-savingemissionreductionandmethods,,thelightweightnewmaterialisthemainwayofthecurrentbodyweightreduction,throughthemulti-materialstructureoptimization,bothtoimprovevehicleperformance,,describesthedevelopmentoflightweightmaterialsintheautomotiveindustryandtheapplicationofthetrendKeywords:automotive;lightweight;,istoensurethestrengthandsafetyofthecarunderthepremiseofthecarasmuchaspossibletoreducethequalityofthepreparation,therebyenhancingthevehicle'spower,%,fuelefficiencycanbeincreasedby6%to8%,fuelconsumptioncanbereducedby6%to10%.Fuelconsumptiondecline,emissionsalsodecreased,whileresourceutilizationincreased,extendedlifeofthecar,%ofthequalityofthevehicle,itisclearthatthelightweightbodyforthevehiclelightweightplayapivotalrole[1].Atpresent,thecarbodyweightreductionhastwomainresearchdirections:First,theuseoflightweightmaterials;Second,,,withtheprogressofmetallurgicaltechnology,onthebasisofhigh-strengthsteel,withultra-haracteristics,andgraduallyformedwithdeepdrawing,highstrength,bakinghardeningperformanceofnewhigh-,theuseofhigh-:(1)BHsteel(bakehardeningsteel).BHsteelplateyield
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