简介：

简介：Acomparativestudyofnewmagnesiumalloysdevelopedforelevatedtemperatureapplicationsinautomotiveindustry,Adevelopmentofvirtualprototypingmanufacturingsystemforhighpressurediecastingprocesses,Afinishmachiningstrategyforrapidmanufacturedpartsandtools,Anewmanufacturingtechnologyforinductionmachinecopperrotors,AStudyonPerformanceEvaluationandImprovementofSteeringWheelwithMgDieCastingCore,AstudyonprocessesandmechanicalpropertiesofdiecastA.380V6engineblocks.

简介：Diespray,diecostanddielife；DIE-CASTCOPPERROTORSFORIMPROVEDMOTORPERFORMANCE；DiecastabilityofMg-AI-SrHighTemperatureCreepResistanceAlloysBasedonLaboratoryEvaluations&ComponentDieCastingTrials；Diesandtoolsforhighperformanceapplications;EarlyResidualStressDevelopmentInAluminumDieCastingDies

简介：

简介：

简介：CharacterizationofDieCastingSprayLubricants；Characterizationofheatinsulatingandlubricatingabilityofpowderlubricantslotcleanandhighqualitydiecasting；CHEMICALCOMPOSITIONANDCLEANLINESSDURINGRECYCLINGOFTHEAJ52MAGNESIUMSTRONTIUMALLOY；Clamping,PreloadingofDiesandPrecisionGuidingofSlidesinMultiple-SlideDieCasting；ComparativemechanicalpropertiesofAE42andAJ52xhigh-temperaturediecastmagnesiumalloysforelevatedtemperatureapplications。

简介：2004年9月以来，我国铜市场供求关系一直较为紧张，致使国内现货铜价格曾经达到过3．2万元／吨以上的极高水平，上海期铜市场更是屡屡出现逼仓情景，期铜价格不断走高。为什么会出现这种情况呢?各界比较普遍的认识是：原因在于，2004年5月份以后我国精炼铜进口量明显萎缩，海关数据也证明了这一点。那么2005年我国精炼铜进口形势会如何呢?