简介:摘要: 球墨铸铁管主要称之为离心球墨铸铁管,它具有铁的本质、钢的性能,防腐性能优异,延展性能好,密封效果好,安装简易,主要用于市政、工业、住宅等建筑项目,是建筑给排水管道的首选,具有很高的性价比。与其他管材相比,无论是从安装时间、性能还是从密封性、综合造价上来看都更加优质,具有良好的推广应用价值。
简介:摘要:鲁地拉提水工程从永胜县金沙江鲁地拉库区采用浮船泵站取水,沿金沙江左、右岸分散布设8个临江取水点,共设计9个提水供水工程,分为1#~8#泵站工程和片角供水工程。工程输水线路全长188.914km,分为泵站提水管25.295km和有压输水163.619km,其中灌溉管道长度170.503km,人饮管道长度18.411km,解决永胜县片角镇、涛源镇、期纳镇和顺州镇干热河谷及半山片的灌溉缺水问题并兼顾解决片角镇达旦河两岸、东华、红光村的集镇和农村居民生活缺水问题。
简介:Linearcontractionofgreyironsandcastings;Measurementandminimizationofresidualstressesinironcastings;Microstructurecharacterizationofductilethinwallironcastings;ProcessofManufacturingRiserlessCastingsfromHypereutecticHigh-StrengthIrons;Resources-SavingInoculationofHigh-QualityCastIrons;Thinwallcompactedgraphiteironcastings
简介:ApplicationofCastSimulationforLarge-SizedIronCastings,ApplicationofProtectiveFilmsandPenetrationPreventingPartingPowdersonGreenSandMoldsforIronCastings,Combinedhardeningoftheslidingguidewaysofthemetal-cuttingmachinetools,Computersimulationofvariousmethodsforgreensandfilling,Criticalityoffoundryimperfections,Effectofrapidsolidificationonslidingwearofironcastings.
简介:EffectsofappliedpressureduringfeedingonthefatiguepropertiesofcriticalcastaluminumalloycomponentsanAFS/CMCresearchprojectprogressreport,No.2;Effectsofshotblastingondimensionalvariationofcastings;Eliminatingfish-eyedefectsinductilecastings;Graphiteshapecharacterisationincastiron-fromvisualestimationtofractaldimension;intensificationofgraphitizmgannealinginmalleableironcastingsmanufacture。