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1、ThisarticleappearedinajournalpublishedbyElsevier.Theattachedcopyisfurnishedtotheauthorforinternalnon-commercialresearchandeducationuse,includingforinstructionattheauthorsinstitutionandsharingwithcolleagues.Otheruses,includingreproductionanddistribution,orsellingor
2、licensingcopies,orpostingtopersonal,institutionalorthirdpartywebsitesareprohibited.Inmostcasesauthorsarepermittedtoposttheirversionofthearticle(e.g.inWordorTexform)totheirpersonalwebsiteorinstitutionalrepository.AuthorsrequiringfurtherinformationregardingElsevier’
3、sarchivingandmanuscriptpoliciesareencouragedtovisit:http://www.elsevier.com/copyrightAuthor'spersonalcopyMaterialsScienceandEngineeringA527(2010)691–698ContentslistsavailableatScienceDirectMaterialsScienceandEngineeringAjournalhomepage:www.elsevier.com/locate/msea
4、EffectofprestrainandagingtreatmentonmicrostructuresandtensilepropertiesofTi–10Mo–8V–1Fe–3.5AlalloyZ.Y.Song,Q.Y.Sun,L.Xiao,L.Liu,J.Sun∗StateKeyLaboratoryforMechanicalBehaviorofMaterials,Xi’anJiaotongUniversity,Xi’an710049,PRChinaarticleinfoabstractArticlehistory:Hi
5、gherstrengthandlowerductilityhavebeenobservedintheprestrainedandagedReceived21January2009Ti–10Mo–8V–1Fe–3.5Al(TB3)alloy.InordertoimprovetheductilityofprestrainedTB3,two-stepReceivedinrevisedform18August2009agingtreatmentwasintroduced.Tensiletestsshowedthattheelong
6、ationofprestrainedsampleswasAccepted24September2009increasedtothesameleveloftheunstrainedandpeak-agedoneswithoutdecreaseinstrengthbythetwo-stepaging.Transmissionelectronmicroscopic(TEM)examinationsrevealedthatdislocationsintroducedbyprestrainwerealmosteliminatedby
7、thetwo-stepagingtreatment,whichwasproposedKeywords:tobethemaincausefortheductilityrecovery.Inaddition,intheprestrainedandagedTB3samples,PrestrainparallelplatesofonevariantweregenerallyobservedunderTEM.Aging-Titaniumalloy©2009ElsevierB.V.Allrightsreserved.Tensile
8、property1.IntroductionTi–Nb–Zr–Snalloyproducedbyseverewarmrolling.Xuetal.[20,21]reportedthatnanostructuringcouldbeachievedmoreeas-Titaniumalloyshavebeen
