【英文标准名称】:Assemblytoolsforscrewsandnuts-Socketsandwrenchesforsplinedrive
【原文标准名称】:螺钉和螺母用装配工具花键传动套筒扳手
【标准号】:ISO10914-1996
【标准状态】:现行
【国别】:国际
【发布日期】:1996-12
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC29
【标准类型】:()
【标准水平】:()
【中文主题词】:扳手;手工工具;尺寸;管套扳手;工具;套管扳手;互换性;作标记;分类;名称与符号
【英文主题词】:Classification;Designations;Dimensions;Handtools;Interchangeability;Marking;Socketspanners;Socketwrenches;Tools;Wrenches
【摘要】:Specifiestechnicalandtestrequirementsforhand-operatedsocketsandboxwrenchesusedforattachmentanddetachmentofmetricsplinedrivefastners.
【中国标准分类号】:J47
【国际标准分类号】:25_140_30
【页数】:9P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforCathodicDisbondmentTestofPipelineCoatings(AttachedCellMethod)
【原文标准名称】:管道涂层的阴极剥离试验用标准试验方法(附着电池法)
【标准号】:ASTMG95-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D01.48
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:胶粘连接;粘结强度;涂层;材料;非金属;管道;测试
【英文主题词】:anode;attachedcell;cathodic;disbondment;electricalstress;electrolyte;saltbridge
【摘要】:Damagetopipecoatingisalmostunavoidableduringtransportationandconstruction.Breaksorholidaysinpipecoatingsmayexposethepipetopossiblecorrosionsince,afterapipehasbeeninstalledunderground,thesurroundingearthwillbemoisture-bearingandwillconstituteaneffectiveelectrolyte.Appliedcathodicprotectionpotentialsmaycauselooseningofthecoating,beginningatholidayedges.Spontaneousholidaysmayalsobecausedbysuchpotentials.Thistestmethodprovidesacceleratedconditionsforcathodicdisbondmenttooccurandprovidesameasureofresistanceofcoatingstothistypeofaction.Theeffectsofthetestaretobeevaluatedbyphysicalexaminationsandmonitoringthecurrentdrawnbythetestspecimen.Usuallythereisnocorrelationbetweenthetwomethodsofevaluation,butbothmethodsaresignificant.Physicalexaminationconsistsofassessingtheeffectivecontactofthecoatingwiththemetalsurfaceintermsofobserveddifferencesintherelativeadhesivebond.Itisusuallyfoundthatthecathodicallydisbondedareapropogatesfromanareawhereadhesioniszerotoanareawhereadhesionreachestheoriginallevel.Anintermediatezoneofdecreasedadhesionmayalsobepresent.Assumptionsassociatedwithtestresultsinclude:4.3.1Maximumadhesion,orbond,isfoundinthecoatingthatwasnotimmersedinthetestliquid,and4.3.2Decreasedadhesionintheimmersedtestareaistheresultofcathodicdisbondment.Abilitytoresistdisbondmentisadesiredqualityonacomparativebasis,butdisbondmentinthistestmethodisnotnecessarilyanadverseindicationofcoatingperformance.Thevirtueofthistestmethodisthatalldielectric-typecoatingsnowincommonusewilldisbondtosomedegree,thusprovidingameansofcomparingonecoatingtoanother.Thecurrentdensityappearinginthistestmethodismuchgreaterthanthatusuallyrequiredforcathodicprotectioninnaturalenvironments.1.1Thistestmethodcoversacceleratedproceduresforsimultaneouslydeterminingcomparativecharacteristicsofcoatingsystemsappliedtosteeppipeexteriorforthepurposeofpreventingormitigatingcorrosionthatmayoccurinundergroundservicewherethepipewillbeincontactwithnaturalsoilsandwillreceivecathodicprotection.Theyareintendedforusewithsamplesofcoatedpipetakenfromcommercialproductionandareapplicabletosuchsampleswhenthecoatingischaracterizedbyfunctionasanelectricalbarrier.1.2Thistestmethodisintendedtofacilitatetestingofcoatingswherethetestcelliscementedtothesurfaceofthecoatedpipespecimen.ThisisappropriatewhenitisimpracticaltosubmergeorimmersethetestspecimenasrequiredbyTestMethodsG8,G42,orG80.Coatingsampleconfigurationsuchasflatplateandsmalldiameterpipemaybeused,providedthatthetestprocedureremainsunchanged.1.3Thistestmethodallowsoptionsthatmustbeidentifiedinthereport.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:23_040_99
【页数】:4P.;A4
【正文语种】: