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1、SteelClassNotesandlecturematerialForMSE651.01--PhysicalMetallurgyofSteelNotescompiledby:GlynMeyrick,ProfessorEmeritusNotesrevisedby:RobertH.Wagoner,DistinguishedProfessorofEngineeringWebinstallationby:WeiGan,GraduateResearchAssociateLastrevisiondate:1/
2、8/01STEELForewordThisdocumentisintendedtoaugmentformallecturesonthegeneraltopicofthephysicalmetallurgyofsteels,presentedwithintheMSEDepartmentduringtheFallQuarter,1998.Itisbasedonavarietyoftextsandpublishedarticlesandalsoonpersonalexperience.Specificre
3、ferencestosourcesaremadewithinthedocument.However,thematerialisoftenintheformofknowledgethathasbeenaccumulatedbytheworkofmanypeopleandis"well-known"byexpertsinthefield.Adetailedacknowledgmentoftheworkofeachcontributortothefieldisnotattemptedbecausethat
4、wouldbeanawesometask.ThisdocumentisnotintendedforpublicationandisrestrictedforuseinMSE651.01.Texts:Steels;MicrostructuresandPropertiesbyR.W.K.Honeycombe(EdwardArnold)PrinciplesoftheHeatTreatmentofSteelbyG.Krauss(ASM)ThePhysicalMetallurgyofSteelbyW.C.Le
5、slie(McGrawHill)TheASMMetalHandbooks.HandbookofStainlessSteels,PecknerandBernstein(eds.)McGrawHill1977ToolSteelsRobertsandCary,Edition4,ASM,1980FerrousPhysicalMetallurgyA.K.Sinha,Butterworths1989.IntroductionSteelisafamilyofmaterialsthatisderivedfromor
6、esthatarerichiniron,abundantintheEarthÕscrustandwhichareeasilyreducedbyhotcarbontoyieldiron.Steelsareveryversatile;theycanbeformedintodesiredshapesbyplasticdeformationproducedbyprocessessuchasrollingandforging;theycanbetreatedtogivethemawiderangeofmech
7、anicalpropertieswhichenablethemtobeusedforanenormousnumberofapplications.Indeed,steelisubiquitousinapplicationsthatdirectlyaffectthequalityofourlives.Steelandcementconstituteabout90%ofthestructuralmaterialsthataremanufactured(Westwood,MetandMatTrans,Vo
8、l.27A,June1996,1413).What,then,issteel?Apreciseandconcisedefinitionofsteelisnotaneasythingtopresentbecauseoftheverylargevarietyofalloysthatbearthename.Allofthem,however,containiron.Wemightreasonablybeginbydescribingasteelasanalloywhichc
