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1 INTRODUCTIONMagnesiumalloyshaveemergedaspotentiallygoodcandidatesfornumerousapplications ,especiallyinautomotive ,aerospaceandelectronicindustry .Theirgoodproperties ,suchaslowdensity ,highspe cificstrengthandgooddampingcapacity ,makethemthepromisingreplacementsforotherstructuralmate rials,forinstance ,steel,castiron ,andevenalu minum[1,2 ] .Thewidelyusedmagnesiumalloysbe longtoMg Al Zn (AZ)series ,suchasAZ91(Mg 9Al 1Zn) ,whichhaveexcellentcastability ,goodroomtemperaturemechanicalp… 相似文献
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