【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】:


【英文标准名称】:Earth-movingmachinery-Machine-mountedaudibletravelalarmsandforwardhorns-Testmethodsandperformancecriteria
【原文标准名称】:土方机械.机械安装的音响行进报警和前进喇叭.试验方法和性能标准
【标准号】:ISO9533-2010
【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/TC127
【标准类型】:()
【标准水平】:()
【中文主题词】:声学测量;声学试验;报警装置;报警信号;音响警告装置;向后;后方;定义;测定;土方机械;测量;测量技术;性能要求;信号;规范(验收);试验;警报装置
【英文主题词】:Acousticmeasurement;Acoustictesting;Alarmdevices;Alarmsignals;Audiblewarningdevices;Backward;Backwarddirection;Definitions;Determination;Earth-movingequipment;Measurement;Measuringtechniques;Performancerequirements;Signals;Specification(approval);Testing;Warningdevices
【摘要】:
【中国标准分类号】:P97
【国际标准分类号】:53_100
【页数】:14P;A4
【正文语种】:英语