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TC4钛合金板抗高强杆弹正撞击侵彻特性实验研究.docx

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TC4钛合金板抗高强杆弹正撞击侵彻特性实验研究 Title:ExperimentalStudyonHigh-StrengthRodElasto-PlasticPenetrationCharacteristicsofTC4TitaniumAlloyPlate Abstract: Theobjectiveofthisresearchistoinvestigatetheelasto-plasticpenetrationcharacteristicsofTC4titaniumalloyplateunderhigh-strengthrodimpacts.Thisstudywasconductedtodeterminethematerial'sresponseandbehaviorunderextremedynamicloadingconditions.TheexperimentalmethodologyinvolvedsubjectingTC4titaniumalloyplatestocontrolledimpacttests,measuringandanalyzingthedamagecausedbyhigh-strengthrodpenetration.Theresultsprovidevaluableinsightsintothematerial'sresistanceagainstpenetrativeimpacts,thusfacilitatingtheengineeringdesignandapplicationsofTC4titaniumalloy. 1.Introduction Penetrationperformanceisacrucialparameterinassessingtheeffectivenessofmaterialsinvariousapplications,suchasmilitaryarmor,automotiveindustry,andinfrastructuredevelopment.TC4titaniumalloy,duetoitsexcellentmechanicalproperties,findswideapplicationsintheaerospaceindustry,militaryequipment,andcivilianengineeringstructures.Therefore,studyingthepenetrationbehaviorofTC4titaniumalloyunderhigh-strengthrodimpactsisessentialforoptimizingitsapplications. 2.ExperimentalProcedure 2.1MaterialsandSpecimens TC4titaniumalloyplateswerepreparedaccordingtospecifieddimensionsfortheexperimentalinvestigations.Thealloycompositionandmechanicalpropertiesweretestedandverifiedpriortoconductingtheexperiments. 2.2High-StrengthRod Ahigh-strengthrodmaterialwasusedastheimpactingprojectiletosimulatethedynamicloadingconditions.Thematerialpropertiesanddimensionsoftherodwererecordedbeforethetests. 2.3ImpactTestSetup Animpacttestingmachinewasusedtoconducttheexperiments.TheTC4specimenswereclampedrigidlyinatestfixture,andthehigh-strengthrodwaspropelledtowardsthespecimenataspecifiedvelocity.High-speedcameraswereusedtocapturethedynamicresponseanddeformationduringpenetration. 2.4DataAcquisitionandAnalysis Straingaugeswereusedtomeasurethestrainonthespecimenduringtheimpacttests.Thedisplacementofthehigh-strengthrodandpenet