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Fe对铝青铜粉末等离子喷焊层组织及硬度的影响.docx

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Fe对铝青铜粉末等离子喷焊层组织及硬度的影响 Title:InfluenceofFeontheMicrostructureandHardnessofAluminumBronzePowderPlasmaSprayCoatings Abstract: Aluminumbronze(Albronze)powderplasmaspraycoatingshavegainedsignificantattentioninvariousindustrialapplicationsduetotheirexcellentwearresistance,corrosionresistance,andhighthermalconductivity.ThisstudyaimstoinvestigatetheinfluenceofFecontentonthemicrostructureandhardnessofAlbronzepowderplasmaspraycoatings.PowdersampleswithvariousFeconcentrationswerepreparedusingthepowdermetallurgytechniqueandsubsequentlysprayedontoasubstrateusingaplasmaspraysystem.Themicrostructureandhardnesspropertiesoftheresultingcoatingswerecharacterizedandevaluated.ThefindingsofthisstudycontributetoabetterunderstandingoftheroleofFeinenhancingthepropertiesofAlbronzecoatingsandprovidevaluableinsightsforoptimizingcoatingperformanceinreal-worldapplications. 1.Introduction: Aluminumbronze(Albronze),analloyofcopper,aluminum,andotherelements,offersexceptionalmechanicalpropertiesandoutstandingresistancetocorrosion,erosion,andwear.TheapplicationofAlbronzecoatingsthroughtheplasmasprayprocesshasgainedprominenceasacost-effectivemethodforimprovingthesurfacepropertiesandextendingtheservicelifeofcomponentsinvariousindustries,includingaerospace,automotive,andmarine.However,theadditionofspecificelements,suchasFe,canfurtherenhancetheperformanceofthesecoatings.ThispaperaimstoexploretheinfluenceofFeonthemicrostructureandhardnessofAlbronzepowderplasmaspraycoatings. 2.ExperimentalMethodology: 2.1PowderPreparation: AlbronzepowderwithvaryingFeconcentrations(0wt.%,5wt.%,10wt.%,and15wt.%)waspreparedthroughthepowdermetallurgytechnique.Thepowdersweremixedthoroughlyusingaballmillingprocessandsubsequentlysinteredataspecifictemperaturetoachievepowderagglomeration. 2.2CoatingDeposition: Thepreparedpowdersweresprayedontoasubstrateusingaplasmaspraysystem.Thesprayingparameters,includingplasmagasflowrate,powderfeedrate,andstandoffdistance,wereoptimizedforuniformcoatingdeposition. 3.MicrostructuralAnalysis: 3.1