【英文标准名称】:Plastics.Polyvinylchloridepastes.Determinationofapparentviscosityusingtheseversrheometer.
【原文标准名称】:塑料制品.聚氯乙烯糊料.使用分离流变仪测定表观粘度
【标准号】:NFT51-710-1986
【标准状态】:作废
【国别】:法国
【发布日期】:1986-09-01
【实施或试行日期】:1986-09-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:粘度;仪器;糊料;粘度计;测定;检流计;抽样方法;试验设备;速度;塑料;试验;试验;聚氯乙烯;定义
【英文主题词】:Definition;Definitions;Determination;Galvanometers;Instruments;Pastes;Plastics;Polyvinylchloride;Samplingmethods;Testequipment;Testing;Tests;Velocity;Viscometers;Viscosity
【摘要】:
【中国标准分类号】:G31
【国际标准分类号】:83_140_99
【页数】:6P;A4
【正文语种】:其他


【英文标准名称】:Plastics-Preparationoftestspecimensofthermoplasticmaterialsusingmouldlesstechnologies-Part1:Generalprinciples,andlasersinteringoftestspecimens
【原文标准名称】:塑料.使用无模工艺的热塑材料试样的制备.第1部分:一般原则和试样的激光烧结
【标准号】:ISO27547-1-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-09-15
【实施或试行日期】:2010-09-15
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;激光光束闪光管;激光束;激光器;塑料;性能;烧结;试样制备;样品;试验准备;试样;热塑性的;热塑性聚合物
【英文主题词】:Definitions;Laserbeammachines;Laserbeams;Lasers;Plastics;Properties;Sintering;Specimenpreparation;Specimens;Testpreparation;Testspecimens;Thermoplastic;Thermoplasticpolymers
【摘要】:ThispartofISO27547specifiesthegeneralprinciplesoftest-specimenpreparationusingmouldlesstechniques.Sometimes,thesetechniquesarecalled“tool-less”methods.Commontoallthesetechniquesisthefactthatthespecimensareproducedlayerbylayer.TheshapeanddimensionsofthespecimensaredefinedintermsofanumericaldescriptionusingCADtechniques.Thiscomputermodelofthespecimenis“sliced”intolayersbymeansofsuitablesoftware.Thespecimen-preparationprocessthenbuildsupthespecimensautomatically,layerbylayer,usingthecomputermodelandasuitablecomputer-controlledlasersinteringmachine.Thethreesoftwaresystemsused(forCAD,slicingthespecimenintolayersandmachinecontrol)maybeindependentsystemsinterfacingseparatelywiththemachineortheymaybeintegratedwiththemachine.ThispartofISO27547alsospecifiesthegeneralprinciplestobefollowedwhentestspecimensofthermoplasticmaterialsarepreparedbylasersintering.Thelaser-sinteringprocessisusedtopreparespecimenslayer-wisebysinteringtheparticlesofathermoplasticpowderusingtheenergyofalaserbeam.ThispartofISO27547providesabasisforestablishingreproduciblesinteringconditions.Itspurposeistopromoteuniformityindescribingthemainparametersofthesinteringprocessandalsotoestablishuniformpracticeinreportingsinteringconditions.Theparticularconditionsrequiredforreproduciblepreparationoftestspecimenswhichwillgivecomparableresultswillvaryforeachmaterialused.TheseconditionsshallbeasgivenintheInternationalStandardfortherelevantmaterialorshallbeagreeduponbetweentheinterestedparties.
【中国标准分类号】:G32
【国际标准分类号】:83_080_20
【页数】:18P.;A4
【正文语种】:英语