简介:摘要近年来预应力离心混凝土空心方桩在工程中的应用越来越广泛。本文结合工程实际情况阐述了空心方桩的工程应用情况,其次根据它的应用情况归纳出它在工程应用上的优点及存在的问题。
简介:摘要近年来预应力离心混凝土空心方桩在工程中的应用越来越广泛。本文结合工程实际情况阐述了空心方桩的工程应用情况,其次根据它的应用情况归纳出它在工程应用上的优点及存在的问题。
简介:AI/SiCpFunctionallyGradedMetal-raatrixCompositesProducedbyCentrifugalCasting:EffectofParticleGrainSizeonReinforcementDistribution;Bronze/TiCcompositesforfrictiondrums;CentrifugalcastingofAl{sub}2O{sub}3-15wt%ZrO{sub}2ceramiccomposites;CentrifugalcastingofAl-Cr-Cualloyslurry,Structure-controlledbytwo-step-stir-mix-quenchingprocess。
简介:Characterisationofthrough-thicknessmicrostructureincentrifugallycasthypereutecticAI-SiandAI-Al{sub}3Nialloys;ComparisonbetweenConventionalPMRouteandCastingMethodtoobtainAMCsReinforcedwithTi-AlParticles;Composedphasesandmicrohardnessofaluminium-richaluminium-ironalloysobtainedbyrapidquenching,mechanicalalloyingandhighpressuretorsiondeformation;DevelopmentofCu/FeMagneticallyGradedMaterialbyaCentrifugalCastingTechnique