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1、附录A外文翻译—原文部分AluminumalloyprocessingAluminumalloymarketresearchThealuminumstrapisourcountrynationaleconomydevelopmentimportantbasismaterial,widelyappliesinprofessionsandsoonaviation,astronautics,building,printing,transportation,electron,chemicalindustry,food,
2、medicine.Inrecentyears,undertheeconomicalfastdevelopment'simpetus,ourcountryaluminumstrap'sinvestmentelevatedtemperatureunceasingly,thealuminumstrapconsumptionquantitycontinuedmaintainsthestablegrowth.Professionandsoonouterwallconstructionandinteriordecorati
3、on,aluminumfoilmanufacture,printing,PSversion,manufacturingindustry,electricalappliances,foodpackingdemandsfurtherenhance,becometheprimemotorswhichthealuminumstrapconsumptionquantitygrows,simultaneously,thetransportationshippingindustryisbecomingthenewexpens
4、epointofgrowth.Alongwiththeeconomicaldevelopmentandconsumptionlevel'senhancement,thealuminumsheet,thebelt,thefoilconsumptionquantityassumesthetrendofescalation.Ourcountryaluminummaterialexpensepeakafter2005arrives,andachievesthepeakin2012,theyeardemandsurpas
5、ses10,000,000tons.Butthepresentourcountryaluminumsheetstripconsumptionquantity,averageperpersonexpendstheworldaveragelevel1/2,theboardstripexpenseisthedevelopedcountry1/10-1/34,highaccuracyaluminumsheetstripdependenceimportsolution.Moreovertheimportvolumelar
6、gescaleisgrowingeveryyear,expendsthegrowthmovementtobeobvious,thereforethemarketprospectfavors.TheeffectsofalloyingelementsThepropertiesandcharacteristicsofaluminum,suchasdensity,conductivity,corrosionresistance,finish,mechanicalproperties,andthermalexpansio
7、n,aremodifiedbytheadditionofalloyingelements.Theresultingeffectdependsupontheprincipalalloyingelementsused,asdetailedinthetablebelow.WroughtAlloyDesignationMajorAlloyingElementsandTypicalAlloyCharacteristics1xxxSeriesMinimum99%aluminumHighcorrosionresistance
8、.Excellentfinishability.Easilyjoinedbyallmethods.Lowstrength.Poormachinability.Excellentworkability.Highelectricalandthermalconductivity.2xxxSeriesCopperHighstrength.Relativelylowcorrosionresist