JIS C0082-2002 环境试验.电工产品.火灾试验.火焰的表面扩展.通用导则
作者:标准资料网 时间:2024-05-25 15:56:06 浏览:9173
来源:标准资料网
【英文标准名称】:Environmentaltesting--Electrotechnicalproducts--Firehazardtesting--Surfacespreadofflame--Generalguidance
【原文标准名称】:环境试验.电工产品.火灾试验.火焰的表面扩展.通用导则
【标准号】:JISC0082-2002
【标准状态】:作废
【国别】:日本
【发布日期】:2002-03-20
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:TechnicalCommitteeonElectricityTechnology
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:A21
【国际标准分类号】:13_220_40;29_020
【页数】:9P;A4
【正文语种】:日语
【英文标准名称】:StandardTestMethodforSimultaneousThicknessandElectrodePotentialDeterminationofIndividualLayersinMultilayerNickelDeposit(STEPTest)
【原文标准名称】:多层镍镀层中单层的同步厚度和电化学电势测定方法(STEP试验)
【标准号】:ASTMB764-2004(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:B08.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:potential;STEP;thickness;Referenceelectrode;Steptest;Stripping;Thickness--electrodepositedcoatings;Agitatingtube;Anodiccoatings;Bufferingaction;Cathodecoatings;Chromiumelectroplating;Corrosion--electrodepositedcoatings;Coulometry--me
【摘要】:Theabilityofamultilayernickeldeposittoenhancecorrosionresistanceisafunctionofthedifferenceintheelectrodepotentialsofthenickellayers(asmeasuredindividuallyatafixedcurrentdensityinagivenelectrolyteversusareferenceelectrode)andthethicknessesofthelayers.Thepotentialdifferencesmustbesufficienttocausethebrightnickelortoplayertocorrodepreferentiallyandsacrificiallywithrespecttothesemi-brightnickellayerbeneathit.Thistestprocedureallowsthemeasurementofthesepotentialdifferencesdirectlyonanelectroplatedpartratherthanonseparatefoilspecimensinsuchawaythattimedeterminesthethicknessofeachlayer,whilethepotentialdifferencebetweennickellayersisanindicationofthecorrosionresistanceofthetotalnickeldeposit.Theinterpretationandevaluationoftheresultsofthistestshouldbebyagreementbetweenthepurchaserandthemanufacturer.Note18212;Thistestmaybeusedasaqualityassurancetestofthemultilayernickelcoatingsappliedinproduction.Itshouldbeunderstoodthatduetomanyfactorsthatinfluencetheprogressofcorrosionduringactualuseofthepart,theperformanceofdifferentmultilayernickeldepositsinthetestcannotbetakenasanabsoluteindicatoroftherelativecorrosionresistanceofthesedepositsinservice.1.1Thistestmethodcloselyestimatesthethicknessofindividuallayersofamultilayernickelelectrodepositandthepotentialdifferencesbetweentheindividuallayerswhilebeinganodicallystrippedatconstantcurrentdensity.,1.2Thistestmethoddoesnotcoverdepositsystemsotherthanmultilayerelectroplatednickeldeposits.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:25_220_40
【页数】:6P.;A4
【正文语种】:英语
【英文标准名称】:Gascylinders-25Etaperthreadforconnectionofvalvestogascylinders-Inspectiongauges
【原文标准名称】:气瓶气瓶与瓶阀连接用25E锥螺纹检验量规
【标准号】:ISO11191-1997
【标准状态】:作废
【国别】:国际
【发布日期】:1997-03
【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/TC58
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;尺寸;阀门;储气瓶;储气罐;气阀;连接尺寸;螺纹;验证;量规;连接
【英文主题词】:Connectingdimensions;Connections;Definitions;Dimensions;Gascylinders;Gasholders;Gasvalves;Gauges;Threads;Valves;Verification
【摘要】:ThisInternationalStandardspecifiestypes,dimensionsandprinciplesofuseofgauges,tobeusedinconjunctionwiththetaperthreadspecifiedinISO10920.AnnexAprovidesexamplesofcalculationsforthreadgaugedimensionsonthelargeenddiameter.AnnexBdrawsattentiontothelimitationsofthegaugingsystemspecified.
【中国标准分类号】:J74
【国际标准分类号】:17_040_30;23_020_30
【页数】:17P.;A4
【正文语种】:英语
