【英文标准名称】:Connectors-Safetyrequirementsandtests;Corrigendum1
【原文标准名称】:连接器.安全性要求和测试.勘误表1
【标准号】:IEC61984Corrigendum1-2011
【标准状态】:现行
【国别】:国际
【发布日期】:2011-10
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC48B
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Cablessplices;Classification;Connections;Controlcharts;Currentratings;Definitions;Dimensioning;Dimensions;Earthconductors;Earthingcontacts;Electricconnectors;Electricplugs;Electricalcomponents;Electricalengineering;Electricalsafety;Inspection;Lowvoltage;Parameters;Plug-and-socketconnection;Polypole;Powerinstallations;Protectionagainstelectricshocks;Ratedvoltages;Ratings;Safety;Safetyrequirements;Single-pole;Solderlessconnections;Specification(approval);Testprograms;Testing
【摘要】:
【中国标准分类号】:L23
【国际标准分类号】:31_220_10
【页数】:2P;A4
【正文语种】:英语


【英文标准名称】:Textileglass-Yarns-Determinationofbreakingforceandbreakingelongation
【原文标准名称】:纺织玻璃纤维纱线断裂强力和断裂伸长的测定
【标准号】:ISO3341-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-05
【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/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:测定;断裂伸长;定义;纱;抗断裂强度;断裂荷载;扯裂力;试验;试验;纺织玻璃纤维;抗拉试验
【英文主题词】:Breakingload;Breakingstrength;Definitions;Determination;Elongationatfracture;Tear-outforces;Tensiletesting;Testing;Tests;Textileglass;Yarn
【摘要】:1ThisInternationalStandardspecifiesamethodforthedeterminationofthetensilebreakingforceandelonga-tionatbreakofglassyarnstakenfrompackages.2Themethodisapplicabletovarioustypesofglassyarn(single,folded,cabled,strands,structureswithouttwist,rovings,etc.).Itisbasicallyintendedforsingle,foldedandcabledglassyarnshavingadiameteroflessthan2mm,oralineardensitylowerthan2000tex,takenfrompackages.Heavieryarnsmaybealsotestedprovidingthetestconditionsareacceptabletoallinterestedparties.3Themethodisnotapplicabletoglassyarnswhich,inequilibriumwiththestandardatmosphereandunderapre-tensionof5mN/tex,areelongatedbymorethan0,5%.Suchyarnscanbetestedusingalowerpre-tension(forexample2,5mN/texor1mN/tex),acceptabletoallinterestedparties.Thiswouldoccurmainlywhendealingwithsta-ple-fibreyarns.NOTE1Thoughthedeterminationmayberunonbeamedyarnoronyarnstakenfromfabrics,theresultsmustbeconsideredasindicativeonly.NOTE2Thistestmethodisprimarilyintendedformaterialcharacterizationandqualitycontrol.Fibre-to-fibreabrasionandotherfactorssuchasinsufficientlyuniformtension(catenary)willincreasevariabilityandgeneratelowtestvalues.Thiswillconse-quentlyimpedeaccuratecorrelationbetweenperformanceoftheyarnsandenduseapplications.Extremecareshouldbetakeninconsideringthismethodforspecificationpurposes.NOTE3ThoughthisInternationalStandardprovidesthepossibilityofdeterminingtheelongationatbreak,thispracticeisnotrecommended,however.Indeed,acorrectassessmentoftheelongationwillonlybeobtainedusinganextensometer;itwillnotbeobtainedbymeasuringthedistancetraversedbythemovingclamp.Ontheotherhand,experienceshowsthattheuseofanex-tensometerisquitedelicateandoftencausesdamagetothespecimen.
【中国标准分类号】:W50
【国际标准分类号】:59_100_10
【页数】:7P;A4
【正文语种】:英语