SJ/Z 9004.1-1987 着火危险试验 第一部分:评定电器产品着火危险的要求和试验规范的编制导则 一般导则
作者:标准资料网 时间:2024-05-15 16:29:53 浏览:9844
来源:标准资料网
基本信息
| 标准名称： | 着火危险试验 第一部分:评定电器产品着火危险的要求和试验规范的编制导则 一般导则 |
| 中标分类： |
电子元器件与信息技术 >>
电子元器件与信息技术综合 >>
基础标准与通用方法 |
| 替代情况： | 参见GB/T 5169.2-1985 |
| 发布日期： | |
| 实施日期： | 1993-12-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
适用范围
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引用标准
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所属分类： 电子元器件与信息技术 电子元器件与信息技术综合 基础标准与通用方法
【英文标准名称】:StandardSpecificationforReinforcedConcreteArchCulvert,StormDrain,andSewerPipe
【原文标准名称】:钢筋混凝土制拱形涵管,雨水管和污水管标准规格
【标准号】:ASTMC506-2011
【标准状态】:现行
【国别】:
【发布日期】:2011
【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】:C13.02
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:拱形管道;涵洞;D-负荷;加筋混凝土;污水管;雨水道
【英文主题词】:archpipe;culvert;D-load;reinforcedconcrete;sewerpipe;stormdrain
【摘要】:1.1Thisspecificationcoversreinforcedarch-shapedconcretepipetobeusedfortheconveyanceofsewage,industrialwastes,stormwater,andfortheconstructionofculverts.1.2Thisspecificationistheinch-poundcompaniontoC506M;therefore,noSIequivalentsarepresentedinthespecification.Note18212;Thisspecificationisamanufacturingandpurchasespecificationonly,anddoesnotincluderequirementsforbedding,backfill,ortherelationshipbetweenfieldloadconditionandthestrengthclassificationofpipe.However,experiencehasshownthatthesuccessfulperformanceofthisproductdependsupontheproperselectionoftheclassofpipe,typeofbeddingandbackfill,andcarethattheinstallationconformstotheconstructionspecifications.Theownerofthereinforcedconcretepipespecifiedhereiniscautionedthathemustcorrelatethefieldrequirementswiththeclassofpipespecifiedandprovideinspectionattheconstructionsite.
【中国标准分类号】:Q81
【国际标准分类号】:23_040_50
【页数】:7P.;A4
【正文语种】:
【英文标准名称】:StandardTestMethodforConductingCyclicPotentiodynamicPolarizationMeasurementsforLocalizedCorrosionSusceptibilityofIron-,Nickel-,orCobalt-BasedAlloys
【原文标准名称】:铁镍钴基合金的局部腐蚀敏感性的循环动电势极化强度的试验方法
【标准号】:ASTMG61-1986(2003)e1
【标准状态】:现行
【国别】:
【发布日期】:1986
【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】:G01.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:合金;试验;腐蚀;钴;电势分析法;镍;磨损;测量;金属;偏振;铁
【英文主题词】:cobaltalloys
【摘要】:Anindicationofthesusceptibilitytoinitiationoflocalizedcorrosioninthistestmethodisgivenbythepotentialatwhichtheanodiccurrentincreasesrapidly.Themorenoblethispotential,obtainedatafixedscanrateinthistest,thelesssusceptibleisthealloytoinitiationoflocalizedcorrosion.Theresultsofthistestarenotintendedtocorrelateinaquantitativemannerwiththerateofpropagationthatonemightobserveinservicewhenlocalizedcorrosionoccurs.Ingeneral,onceinitiated,localizedcorrosioncanpropagateatsomepotentialmoreelectropositivethanthatatwhichthehysteresisloopiscompleted.Inthistestmethod,thepotentialatwhichthehysteresisloopiscompletedisdeterminedatafixedscanrate.Inthesecases,themoreelectropositivethepotentialatwhichthehysteresisloopiscompletedthelesslikelyitisthatlocalizedcorrosionwilloccur.Iffollowed,thistestmethodwillprovidecyclicpotentiodynamicanodicpolarizationmeasurementsthatwillreproducedatadevelopedatothertimesinotherlaboratoriesusingthistestmethodforthetwospecifiedalloysdiscussedin3.4.Theprocedureisusedforiron-,nickel-,orcobalt-basedalloysinachlorideenvironment.Astandardpotentiodynamicpolarizationplotisincluded.Thesereferencedataarebasedontheresultsfromfivedifferentlaboratoriesthatfollowedthestandardprocedure,usingspecificalloysofType304stainlesssteel,UNSS30400andAlloyC-276,UNSN10276.3Curvesareincludedwhichhavebeenconstructedusingstatisticalanalysistoindicatetheacceptablerangeofpolarizationcurves.Theavailabilityofastandardtestmethod,standardmaterial,andstandardplotsshouldmakeiteasyforaninvestigatortocheckhistechniquestoevaluatesusceptibilitytolocalizedcorrosion.1.1Thistestmethodcoversaprocedureforconductingcyclicpotentiodynamicpolarizationmeasurementstodeterminerelativesusceptibilitytolocalizedcorrosion(pittingandcrevicecorrosion)foriron-,nickel-,orcobalt-basedalloysinachlorideenvironment.Thistestmethodalsodescribesanexperimentalprocedurewhichcanbeusedtocheckone'sexperimentaltechniqueandinstrumentation.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H25
【国际标准分类号】:77_060
【页数】:5P.;A4
【正文语种】:
