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1、CHAPTER4ALUMINUMALLOYSJ.G.KaufmanKaufmanAssociates,Inc.Columbus,Ohio1NATUREOFALUMINUM2.3AluminumAlloyTemperALLOYS89DesignationSystem981.1AdvantagesofWroughtAluminumAlloys903PROPERTIESOFALUMINUM1.2AdvantagesofCastAluminumALLOYS100Alloys911.3LimitationsofWroughtandCast4APPLICAT
2、IONSOFALUMINUMAluminumAlloys92ALLOYS1004.1ApplicationsbyAlloyClass1002DESIGNATIONSYSTEMS934.2ApplicationsbyMarketArea1312.1WroughtAluminumAlloyDesignationSystem93REFERENCES1342.2CastAluminumAlloyDesignationSystem951NATUREOFALUMINUMALLOYSAluminumalloysarebroadlyusedinproductsa
3、ndapplicationsthattouchusregularlyinourdailylives,fromaluminumfoilforfoodpackagingandeasy-openaluminumcansforbeveragestothestructuralmembersoftheaircraftinwhichwetravel.Thebroaduseofaluminumalloysisdictatedbyaverydesir-ablecombinationofproperties,combinedwiththeeasewithwhicht
4、heymaybeproducedinagreatvarietyofformsandshapes.Thefirststepinbecomingfamiliarwiththeopportunitiestoutilizealuminumalloysadvantageouslyistobrieflynotesomeofthebasiccharacteristicsofwroughtaluminumalloysthatmakethemdesirablecandidatesforsuchawiderangeofapplications,aswellastheir
5、limitations.Wroughtalloys(thoseme-chanicallyformedbyrolling,forging,andextrusionintousefulproducts)areaddressedfirst,thencastalloys(thosecastdirectlytothenear-finalfinishedshape).Forreaderswhoareinterestedinabroaderlookatthealuminumindustry,thepublicationsoftheAluminumAssociatio
6、n,Inc.,arehighlyrecommended,especially:●D.G.Altenpohl,Aluminum:Technology,Applications,andEnvironment,TheAluminumAssociation,Washington,DC,andTMS,Warrendale,PA1998HandbookofMaterialsSelection,EditedbyMyerKutzISBN0-471-35924-62002JohnWiley&Sons,Inc.,NewYork8990ALUMINUMALLOYS●
7、AluminumStandards&Data(StandardandMetricEditions),TheAlu-minumAssociation,Inc.,Washington,DC,publishedperiodically●TheAluminumDesignManual,TheAluminumAssociation,Inc.,Wash-ington,DC,2000.Seethelistofreferencesattheendofthechapterforamorecompletelisting.1.1AdvantagesofWroughtA
8、luminumAlloys1.CorrosionResistance.Asaresultofanaturallyoccurringten
