3D打印陶瓷材料

Additivemanufacturingofhigh-performanceceramics.Dr.JohannesHomaAdditivemanufacturingofhigh-performanceceramics.Dr.JohannesHomaEinfügenKundenlogoIndexAboutLithozNeedsofceramicindustryLCM-TechnologyApplicationsNewopportunitiesforCIMProductsCaseStudyheartpumpConclusionWelcometoLithoz

Lithozisthesystemproviderforadditivemanufacturingofhigh-performanceceramicsonlycommerciallyavailableAMTfordenseandpreciseceramicpartsSaleofmachineandmaterialCustomizedsolutionsDevelopmentcompetencyforthewholeprocesschain

AboutUsCompanyOverviewSpin-offoftheViennaUniversityofTechnologyPatentedLCM-Technology

13employeesNumerousawardsSt.Stephen’sCathedralinViennaCeramicIndustryCeramicindustryFastandinexpensiveproductionmethodforsinglepartsandsmallscaleseriesIndividualhigh-performanceceramicpartswithoutgeometricallimitationswiththesamepropertiesasconventionalceramicformingtechniquesNeedsLCM-TechnologyLithography-basedCeramicManufacturing=apatented3D-PrintingtechniqueforceramicmaterialLCM-TechnologyHighprecisionGoodtoleranceandreproducibilityHighdensity(>99,4%T.D.) withsamematerialpropertiesasconventionalformingmethodsProcessGrünlingPost-ProcessingFertigeBauteileCAD-ZeichnungPhotopolymerisationMonomerCeramicparticleSlurryGreenbodyPhotopolymerisationAcrylateMethacrylateMechanismTypicalMonomersLCM-TechnologyBuilding-platformrWiperbladeVATLight-EngineVideoLCM-Technologyafterfabricationafterdebindingaftersinteringphotopolymerceramicparticles(upto60vol%)densepart(>99,4%T.D.)PostprocessingtemperaturetimeLCM-TechnologyBuildingplatformbeforecleaningLCM-TechnologyBuildingplatformaftercleaningApplicationsAdditiveManufacturingforhighperformanceceramicsPrototypes.Smallscaleseries.Higlycomplex.ApplicationsInexpensiveandfastproductiondirectlyfromCAD-DataNochangingorsetupcostsGeometricalcomplexityisnotlimitedNoproductspecificmouldsnecessaryEasychangeofgeometryFullyfunctionalpartsApplicationsApplicationsLotsize1ExceptionalsurfacequalityNotoolingcostsArbitrarygeometricalvariationsNocostsfordesignchangesDirectproductionfromCAD-dataPrototypesApplicationsSmallscaleseriesLowcostsuptoseveralhundredpartsSimultaneousproductionwithouttheneedfortoolsNosetupcostsSimplevariationsofthepartgeometryHighqualityandfunctionalityApplicationsHighlycomplexpartsNogeometricallimitationsManufacturabilityofdefinedcellularstructuresThin-walledstructuresImplementationofundercutsandcavitiesNodemoldingFullyfunctionalpartCellularStructuresDefinedopencellVariationoftheunitcellStrutthickness<200µmAdvantages:

Applications:biomedicalapplications,catalysts,lightweightstructuresSamplesNewopportunitiesfortheCimindustryAdvantagesAdditiveManufacturingInjectionmouldingNumberofpartsCostperpieceAMTsmoreeconomicalInjectionmouldingmoreeconomicalDesigndevelopmentPrototypesSmallscaleseriesPotential:Productionwithbatchsize1CaseStudyCaseStudyHeartpumpHeartpump

PatientswithcardiacinfarctionTemporarysupportoftheheartafteranoperationPlacementviathelegarteriaintotheaortaCombinedwithintraaortalballoonpumpMutualenergysupply:HeliumgasHermeticaldecouplingofturbineandpumpMaterial:AluminaGoal:Doublingoftheheartcapacity idealbloodsupplyofthecoronaryvesselSource:TUWienHeartpumpSource:ViennaUniversityofTechnologypumpbloodheliumturbinerotormagneticclutchbladewheelguidewheelPerformancedataDiameter5mmLengh45mmRotationalspeedturbineupto420000rpmRotationalspeedpumpupto52000rpmFlowratepump2,5l/minHeartpumpConstructionSimulationPrototyperealpartHeartpumpContact:Ao.Prof.Dr.MargitGföhlerwww.ikl.tuwien.ac.at/mel/

Source:TUWienTheheartpumpisrunningontrialonascaleof2:1Untilnowmorethan10designvariationsexistProductsCeraFab7500CeraFab7500TechnicalpropertiesLateralresolution40μm(635dpi)Numberofpixel(X,Y)1920x1080Buildingenvelope(X,Y,Z)76mmx43mmx150mmDataformat.stl(binary)Slicethickness25–100μmBuildingvelocityUpto100slicesperhour,2.5–10mmperhourLightsourceLEDPlug&playnetworkprinterMaterials

LithaBoneTCP200(Ca3(PO4)2)CustomizedmaterialsareavailableuponrequestLithaCon3Y610Purple(ZrO2)Material3Mol%stabilisiertesZrO24P-Biegefestigkeit650MPaWeibullmodul>6,01g/cm³(99,1%T.D.)Oberflächenrauheit(Ra)~0.6µmLithaLoxHP500(Al2O3)MaterialHigh-purityalumina4P-bending-strength430MPaDensity>3.96g/cm³(99,4%T.D.)Surfaceroughness(Ra)~0.4µmLithaCon3Y610Purple(ZrO2)Material3mol%stabilizedzirconia4P-bending-strength650MPaDensity>6.01g/cm³(99,1%T.D.)Surfaceroughness(Ra)~0.6µmStandardmaterialsFractography

SEM-imagesofAl2O3-fracturedsurfaceFractography

SEM-imagesofZrO2-fracturedsurfaceSchliffbildervonAl2O3(links)undZrO2(rechts)Micrography

Al2O3

ZrO2AdvantagesataglanceConclusionCurrentlytheonlycommerciallyavailableAMTfordenseandpreciseceramicpartsMaterialpropertiesasi