超轻高强镁锂基合金及其复合材料研究进展

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1、Availableonlineatwww.sciencedirect.comProcediaEngineeringProcediaEngineering00(20ProcediaEngineering27(2012)1257–126311)000–000www.elsevier.com/locate/procedia2011ChineseMaterialsConferenceProgressintheresearchofsuper-lighthigh-strengthMg-Libasedalloysandcomposites*GuoqingWu,QingqingZhang,MeijuanZha

2、ngSchoolofMaterialsScienceandEngineering,BeihangUniversity,Beijing100191,PRChinaAbstractSincetheworldwarII,Mg-Libasedalloysandcomposites,asanemergingsuperlightstructuralmetallicmaterial,havebeenexpectedtobewidelyusedinaerospaceandcivilfields,suchastransportation,electronicspackagingandsportsindustry

3、fortheirhighspecificstrengthandspecificstiffness,gooddampingandelectromagneticshieldingproperties.Firstly,theresearchstatusofMg-Libasedalloysandcompositesincludingapplications,microstructures,mechanicalpropertiesandprocessingtechnologiesweresystematicallyintroduced.Secondly,theprogressintheresearcho

4、fintermetallicsparticlesreinforcedMg-Limatrixcompositeswerereviewed;Finally,theprospectsontheresearchdirectionanddevelopmenttendencyofMg-Libasedalloysandcompositeswereputforwardbasedontheopportunitiesandproblemsinfuture.©2011PublishedbyElsevierLtd.Selectionand/orpeer-review©2011PublishedbyElsevierLt

5、d.Selectionand/orpeer-reviewuunderresponsibilityofChineseMaterialsnderresponsibilityofChineseMaterialsResearchSocietyResearchSocietyOpenaccessunderCCBY-NC-NDlicense.Keywords:Mg-Lialloys;composites;microstructure;mechanicalproperties超轻高强镁锂基合金及其复合材料研究进展吴国清，张清清，张美娟北京航空航天大学材料科学与工程学院，北京100191，中国摘要Mg-Li基合

6、金及其复合材料作为二战后新兴的超轻金属结构材料，以其高的比强度、比刚度，良好的阻*Correspondingauthor.Tel.:+86-15201120309.E-mailaddress:zhangxueqing_138@163.com.1877-7058©2011PublishedbyElsevierLtd.Selectionand/orpeer-reviewunderresponsibilityofChineseMaterialsResearchSocietyOpenaccessunderCCBY-NC-NDlicense.doi:10.1016/j.proeng.2011.12.58

7、012582G.Q.Wu,etal.GuoqingWuetal./ProcediaEngineering27(2012)1257–1263/ProcediaEngineering00(2011)000–000尼减震及电磁屏蔽性，在航天航空领域与交通运输、电子包装、体育用品等民用领域具有广阔应用的前景，因而备受研究者关注。本文介绍了国内外Mg-Li基合金及其复合材料的研究进展、应用状况、组织性能、制