学科分类
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500 个结果
  • 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:以银杏为原料,采用微波技术开发膨化银杏饼。研究了淀粉种类和干燥水分含量对银杏饼感官品质和膨化率的影响。结果表明,淀粉种类和干燥水分含量对银杏饼的感官品质和膨化率都有一定的影响;与其他淀粉相比,添加糯米淀粉制备的银杏饼感官品质好、膨化率高;水分含量过大过小都降低了银杏饼的膨化率。通过单因素和正交试验确定膨化银杏饼的最佳工艺为微波功率用中火,银杏饼厚度3mm,微波时间80s,水分含量12%。

  • 标签: 银杏 微波 膨化
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  • 简介:水面之下的杠杆以及不同种类的杠杆工具,在少数高风险客户身上重叠交叉,行业对此完全没有把控能力,需要未雨绸缪,早做打算在大批银行资金直接间接进入A股的同时,

  • 标签: 杠杆 A股 挤压
  • 简介:Extruding-expellingsoybeansandutilizingtheproductsatplanetaryoutposts;ExtrusioncharacteristicsofHDPE-woodcomposites;Extrusioncooking;ExtrusionofBaSO{sub}4filledmedical-gradethermoplasticpolyurethane;Feedingequipmentforfillersandnaturalfibersincomposites;Fillingandconveyancezonesoptimalgeometricalparametersofsingle-screwextruderforpolymersprocessingchoice;FlameRetardancyandPreparationofEVANanocompositesUsingaReactiveProcess

  • 标签: 挤压机 表面特征 加工精度 熔融处理
  • 简介:MicrostructureandmechanicalpropertiesofAl-Cu-Mgalloymatrixhybridcompositesfabricatedbysqueezecasting;MicrostructureandTensilePropertiesofAIHybridCompositesReinforcedwithSiCWhiskersandSiCNanoparticles;NUMERICALMODELLINGOFSQUEEZECASTMAGNESIUMALLOYAM50WITHNATURALCONVECTIONINTHEMELT;NUMERICALSIMULATIONOFNATURALCONVECTIONINMAGNESIUMALLOYSQUEEZECASTING;Ontheimportanceofmatrixcreepinhightemperaturedeformationofshortfibrereinforcedmetalmatrixcomposites

  • 标签: 挤压铸造 微结构 机械性质 铝铜镁合金 复合材料
  • 简介:Effectsofparticle-dispersiononthestrengthofanaluminafiber-reinforcedaluminumalloymatrixcomposite;EffectsofshortmullitefibresonagingresponseofAl-4-5Cubasedmetalmatrixcomposite;Flowanalysisapplicationtorheo-casting;HighTemperatureMechanicalBehaviorandMicrostructureofα-Si{sub}3N{sub}4w/4032AlCompositeFabricatedbySqueezeCasting;HotExtrusionandItsEffectonMicrostructureandPropertiesofSqueezeCastingSiC{sub}P/AlCompositeswithLowerVolumeFractionofReinforcement。

  • 标签: 挤压铸造 颗粒分布 铝合金 基质成分 高温机械性质