钛合金Ti-6Al-4V材料参数

TitaniumTi-6Al-4V(Grade5),AnnealedSubcategory:Alpha/BetaTitaniumAlloy;Metal;NonferrousMetal;TitaniumAlloyCloseAnalogs:4otherheattreatmentsofthisalloyarelistedinMatWeb.KeyWords:Ti-6-4;UNSR56400;ASTMGrade5titanium;UNSR56401(ELI);Ti6Al4V,biomaterials,biomedicalimplants,biocompatibilityMaterialNotes:InformationprovidedbyAllvacandthereferences.AnnealingTemperature700-785篊.Alpha-BetaAlloy.Applications:Blades,discs,rings,airframes,fasteners,components.Vessels,cases,hubs,forgings.Biomedicalimplants.Biocompatibility:Excellent,especiallywhendirectcontactwithtissueorboneisrequired.Ti-6Al-4V'spoorshearstrengthmakesitundesirableforbonescrewsorplates.Italsohaspoorsurfacewearpropertiesandtendstoseizewheninslidingcontactwithitselfandothermetals.Surfacetreatmentssuchasnitridingandoxidizingcanimprovethesurfacewearproperties.ComponentWt.%Al6FeMax0.25OMax0.2Ti90V4PhysicalPropertiesMetricEnglishCommentsDensity4.43g/cc0.16lb/in�MechanicalPropertiesHardness,Brinell334334EstimatedfromRockwellC.Hardness,Knoop363363EstimatedfromRockwellC.Hardness,RockwellC3636Hardness,Vickers349349EstimatedfromRockwellC.TensileStrength,Ultimate950MPa138000psiTensileStrength,Yield880MPa128000psiElongationatBreak14%14%ReductionofArea36%36%ModulusofElasticity113.8GPa16500ksiCompressiveYieldStrength970MPa141000psiNotchedTensileStrength1450MPa210000psiKt(stressconcentrationfactor)=6.7UltimateBearingStrength1860MPa270000psie/D=2BearingYieldStrength1480MPa215000psie/D=2Referencesforthisdatasheet.Someofthevaluesdisplayedabovemayhavebeenconvertedfromtheiroriginalunitsand/orroundedinordertodisplaytheinformationinaconsistantformat.Usersrequiringmoreprecisedataforscientificorengineeringcalculationscanclickonthepropertyvaluetoseetheoriginalvalueaswellasrawconversionstoequivalentunits.Weadvisethatyouonlyusetheoriginalvalueoroneofitsrawconversionsinyourcalculationstominimizeroundingerror.WealsoaskthatyourefertoMatWeb'sdisclaimerandtermsofuseregardingthisinformation.MatWebdataandtoolsprovidedbyMatWeb,LLC.Poisson'sRatio0.3420.342CharpyImpact17J12.5ft-lbV-notchFatigueStrength240MPa34800psiat1E+7cycles.Kt(stressconcentrationfactor)=3.3FatigueStrength510MPa74000psiUnnotched10,000,000CyclesFractureToughness75MPa-m�68.3ksi-in�ShearModulus44GPa6380ksiShearStrength550MPa79800psiUltimateshearstrengthElectricalPropertiesElectricalResistivity0.000178ohm-cm0.000178ohm-cmMagneticPermeability1.000051.00005at1.6kA/mMagneticSusceptibility3.3e-0063.3e-006cgs/gThermalPropertiesCTE,linear20癈8.6祄/m-癈4.78礽n/in-癋20-100篊CTE,linear250癈9.2祄/m-癈5.11礽n/in-癋Averageovertherange20-315篊CTE,linear500癈9.7祄/m-癈5.39礽n/in-癋Averageovertherange20-650篊SpecificHeatCapacity0.5263J/g-癈0.126BTU/lb-癋ThermalConductivity6.7W/m-K46.5BTU-in/hr-ft�-癋MeltingPoint1604-1660癈2920-3020癋Solidus1604癈2920癋Liquidus1660癈3020癋BetaTransus980癈1800癋