【英文标准名称】:Industrialautomationsystemsandintegration-Productdatarepresentationandexchange-Part1747:Specificationdocument
【原文标准名称】:工业自动化系统与集成.产品数据表示与交换.第1747部分:规范文件
【标准号】:ISO/TS10303-1747-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-07
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC184
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Applications;Automation;Automationsystems;Dataexchange;Datarepresentation;Definitions;Industrialproducts;Informationinterchange;Informationtechnology;Processautomation;Productdata;Representations
【摘要】:
【中国标准分类号】:N18
【国际标准分类号】:35_240_50
【页数】:8P;A4
【正文语种】:英语


【英文标准名称】:Plastics--Determinationofflexuralproperties
【原文标准名称】:塑料制品.柔韧性能的测定
【标准号】:JISK7171-2008
【标准状态】:现行
【国别】:日本
【发布日期】:2008-03-20
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonChemicalProducts
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:1.1ThisStandardspecifiesamethodfordeterminingthefiexuralpropertiesofrigidandsemi-rigidplasticsbythreepointloadingtest(itappliestoafreelysupportedbeam,loadedatmidspan)andspecifiesthespecimenstobetested.1.2Themethodisusedtoinvestigatethefiexuralbehaviourlitofthetestspecimensandfordeterminingthefiexuralstrength,fiexuralmodulusandotheraspectsofthefiexuralstress/strainrelationshipundertheconditionsdefined.1.3Themethodissuitableforusewiththefollowingrangeofmaterials:--thermoplasticsmouldingandextrusionmaterials,includingfilledandreinforcedcompoundsinadditiontounfilledtypes;rigidthermoplasticssheets;--thermosettingmouldingmaterials,includingfilledandreinforcedcompounds;ther-mosettingsheets.InagreementwithJISK7140-1andJISK7140-2,thisStandardappliestofibre-reinforcedcompoundswithfibrelengths≤7.5mmpriortoprocessing.Forlong-fibre-reinforcedmaterials(laminates)withfibrelengths＞7.5mm,seebibliography[2].Themethodisnotnormallysuitableforusewithrigidcellarmaterialsandsand-wichstructurescontainingcellularmaterial.NOTE:Forcertaintypesoftextile-fibre-reinforcedplastics,afour-pointbend-ingtestispreferred.Itisdescribedinbibliography[2].1.4Themethodisperformedusingspecimenswhichmaybemouldedtothespeci-fieddimensions,machinedfromthecentralportionofastandardmultipurposetestspecimen(seeJISK7139)ormachinedfromfinishedorsemi-finishedproductssuchasmouldings,orextrudedorcastsheet.1.5Themethodspecifiespreferreddimensionsforthetestspecimen.Testswhicharecarriedoutonspecimensofdifferentdimensions,oronspecimenswhicharepre-paredunderdifferentconditions,mayproduceresultswhicharenotcomparable.Otherfactors,suchasthetestspeedandtheconditioningofthespecimens,canalsoinflu-encetheresults.Especiallyforsemi-crystallinepolymers,thethicknessoftheorientedskinlayer,whichisdependentonmouldingconditionsandthickness,affectstheflex-uralproperties.Consequently,whencomparabledataarerequired,thesefactorsmustbecarefullycontrolledandrecorded.1.6Flexuralpropertiescanonlybeusedforengineeringdesignpurposesformateri-alswithlinearstress/strainbehaviour.Fornon-linearbehaviour,theflexuralprop-ertiesareonlynominal.Thebendingtestshouldpreferentiallybeusedwithbrittlematerials,forwhichtensiletestsaredifficult.NOTE~TheInternationalStandardcorrespondingtothisStandardisasfollows.ISO178:2001Plastics--Determinationofflexuralproperties(IDT)andAmendmentI(2004)Inaddition,symbolswhichdenotethedegreeofcorrespondenceinthecontentsbetweentherelevantInternationalStandardandJlSareIDT(identical),MOD(modified),andNEQ(notequivalent)accordingtoISO/IECGuide21.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:18P;A4
【正文语种】:日语