简介:MicrostructureandmechanicalpropertiesofAl-Cu-Mgalloymatrixhybridcompositesfabricatedbysqueezecasting;MicrostructureandTensilePropertiesofAIHybridCompositesReinforcedwithSiCWhiskersandSiCNanoparticles;NUMERICALMODELLINGOFSQUEEZECASTMAGNESIUMALLOYAM50WITHNATURALCONVECTIONINTHEMELT;NUMERICALSIMULATIONOFNATURALCONVECTIONINMAGNESIUMALLOYSQUEEZECASTING;Ontheimportanceofmatrixcreepinhightemperaturedeformationofshortfibrereinforcedmetalmatrixcomposites
简介:Effectsofparticle-dispersiononthestrengthofanaluminafiber-reinforcedaluminumalloymatrixcomposite;EffectsofshortmullitefibresonagingresponseofAl-4-5Cubasedmetalmatrixcomposite;Flowanalysisapplicationtorheo-casting;HighTemperatureMechanicalBehaviorandMicrostructureofα-Si{sub}3N{sub}4w/4032AlCompositeFabricatedbySqueezeCasting;HotExtrusionandItsEffectonMicrostructureandPropertiesofSqueezeCastingSiC{sub}P/AlCompositeswithLowerVolumeFractionofReinforcement。
简介:AComparativeStudyBetweenSqueezeCastingandSemi-SolidMetalCastingProcesses,Advancedsqueezecastingprocessfornear=net-shapeADIlightcomponents,AgingcharacteristicsofshortmullitefiberreinforcedA1-4.0Cu-1.85Mgmetalmatrixcomposite,ApplicationofNumericalSimulationtoOptimizeDieDesignsandProcessesinHigh-Pressure/Squeeze/Semi-SolidCasting,Conditionsforthepouringofaluminumfoamcoresintolightmetalcastings.
简介:分别采用液态挤压铸造和半固态挤压铸造工艺成形ZL104铝合金连杆,研究不同工艺参数对连杆的显微组织及力学性能的影响规律。结果表明:与传统液态挤压铸造相比,半固态挤压铸造连杆的抗拉强度和伸长率分别提高了22%和17%。半固态挤压铸造过程中,随着重熔温度的增加,平均晶粒尺寸和形状因子都增大;随着模具预热温度的升高,平均晶粒尺寸增大,形状因子先增加后减小;这两种情况下连杆的抗拉强度和伸长率都先增加后减小。但随着挤压压力的提高,平均晶粒尺寸减小,且形状因子增大,连杆的力学性能明显提高。此外,成形半固态挤压铸造连杆的最佳重熔温度、挤压压力及模具预热温度分别为848K、100MPa及523K。
简介:Magnesiumcorrosionperformanceinautomotiveapplications-theimportanceofintemalqualityandsurfacecleanliness;MicrostructuralFeaturesinAluminumAlloyDieCastings;PROCESSANDPROPERTYRELATIONSHIPSINAM60BDIECASTINGS;SimulationofFlow-InducedGasEntrapmentanditsEffectonPorosityinAluminumDieCastings;
简介:Acomparativestudyofnewmagnesiumalloysdevelopedforelevatedtemperatureapplicationsinautomotiveindustry,Adevelopmentofvirtualprototypingmanufacturingsystemforhighpressurediecastingprocesses,Afinishmachiningstrategyforrapidmanufacturedpartsandtools,Anewmanufacturingtechnologyforinductionmachinecopperrotors,AStudyonPerformanceEvaluationandImprovementofSteeringWheelwithMgDieCastingCore,AstudyonprocessesandmechanicalpropertiesofdiecastA.380V6engineblocks.