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  • 简介:AstudyonhotextrusionofTi-6Al-4Vusingsimulationsandexperiments;Dampingcharacterizationofaluminiumcontaininginterconnectedwirereinforcementusinganovelfiequencydomainbasedmethod;DevelopmentofAl-Si-MgAlloysreinforcedwithBoronCarbideParticles;DevelopmentofAl-Si-MgAlloysreinforcedwithBoronCarbideParticles;

  • 标签: 热挤压 钛铝钒合金 计算仿真 锻压工艺 有限元
  • 简介:Finiteelementinvestigationsupontheinfluenceofpocketdiedesignsonmetalflowinaluminiumextrusion-PartI.effectofpocketangleandvolumeonmetalflow,InfluenceoftheGeometryoftheExtrusionDieontheMeltStrengthofPolymers,Innovativemanufacturingtechniqueforglassmatrixcomposites:extrusionofrecycled.TVsetscreenglassreinforcedwithAl{sub}O{sub}3platelets,Measurementofdeformationofextrusiondieinhotextrusionofaluminum-deformationofextrusiondieinaluminumhotextrusionⅡ.

  • 标签: 挤压模 铝金属流 熔融强度 膨胀效应
  • 简介:Asurveyofmanifolddesignsforflatdieextrusion;CermetDiesforHotExtrusionofHardAluminium;Clustercomputinginnumericalsimulationofextrusionflow;Computeraideddesignandmanufactureofstreamlinedextrusiondies;Depositionofhardfilmsonhot-workingsteeldiesforaluminium;DevelopmentofaremotequickCAEsystemonsculpturedmetalextrusiondiesurface;

  • 标签: 挤压模 流形设计 平模滚轧 铝合金
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  • 简介:AStudyofRadialGearExtrusion,Atheoreticalandexperimentalstudyoffrictioninmetalformingbytheuseoftheforwardextrusionprocess,Deepdrawingandimpactextrusionofmagnesiumalloysatroomtemperature,Effectsofdiegeometryandextrusionspeedonthecoldextrusionofaluminiumandleadalloys,FeatureextractionfromSTEP(ISO10303)CADdrawingfilesformetalformingprocessselectioninanintegrateddesignsystem,Formingfeaturerepresentationandprocessselectionincoldextrusion.

  • 标签: 冷挤压 金属成型 镁合金 室温条件
  • 简介:EffectsofaddingLa-richmischmetalonthemicrostructureandmechanicalpropertiesofhotextrudedMg-8Alalloys;Effectsofextrusionconditionsonhotextrudingcharacteristicsofmagnesiumalloy;Expertevaluationofhydraulicpressreliability;ExtrudabilityimprovementandenergyconsumptionestimationinAIextrusionprocessofa7003alloy;Fabricationofcompositepipesbymulti-billetextrusiontechnique

  • 标签: 热挤压工艺 微结构 机械性质 镁铝合金
  • 简介:Aluminiumoxidedispersionstrengthenedcopperproducedbythermochemicalprocess;Aninvestigationonthehotextrusionprocessofmagnesiumalloysheet;ComparisonbetweenConventionalPMRouteandCastingMethodtoobtainAMCsReinforcedwithTi-AlParticles;CONFORMprocess:surfaceseparation,curlingandprocesscharacteristicstothewheeldiameter;Determinationofweldingpressureinthenon-steady-stateportholedieextrusionofimprovedAI7003hollowsectiontubes

  • 标签: 挤压比 铜铝氧化复合物 生产工艺 密度分布 机械性质
  • 简介:有人说橄榄球比赛是给人带来最强烈视觉冲击的赛事,也许正是因为如此,“超级碗”才成为美国本土最火爆、影响力最大的比赛之一。

  • 标签: 碰撞 视觉冲击 橄榄球 比赛 赛事
  • 简介:一次次剧烈的碰撞,一次次的摔倒、一次次坚强不屈的站起来……这就是足球的魅力吗?哪怕受伤,哪怕再苦再累也决不放弃,为的不仅是一场比赛的胜负而是极度的热爱。

  • 标签: 碰撞 足球运动 比赛 运动员
  • 简介:夏日.枝头的树叶仿佛都要被晒化了,更不必说已经黏乎乎的柏油马路。一家人都在抱怨着天气的炎热,后悔选了这样的日子回乡下看望奶奶。远远地.看见奶奶正倚在门框上。“奶奶!”听见我和妹妹的呼喊,她那瘦小的身体立即注满了活力,她伸长脖子望着我们的汽车.咧开嘴笑了,露出一排有些稀疏的牙。

  • 标签: 中学生 语文学习 阅读知识 课外阅读