ASTM G61-1986(2009) 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标准试验方法

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【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标准试验方法
【标准号】:ASTMG61-1986(2009)
【标准状态】:现行
【国别】:美国
【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】:
【英文主题词】:Cobaltalloys;Crevicecorrosion;Cycliccorrosiontesting;Cyclicpotentiodynamicpolarizationmeasurement;Nickel-ironalloy;Polarizationresistance;Potentiodynamicanodicpolarizationmeasurements;Stainlesssteel(corrosiontesting)
【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.Curvesareincludedwhichhavebeenconstructedusingstatisticalanalysistoindicatetheacceptablerangeofpolarizationcurves.Theavailabilityofastandardtestmethod,standardmaterial,andstandardplotsshouldmakeiteasyforaninvestigatortocheckhistechniquestoevaluatesusceptibilitytolocalizedcorrosion.1.1Thistestmethodcoversaprocedureforconductingcyclicpotentiodynamicpolarizationmeasurementstodeterminerelativesusceptibilitytolocalizedcorrosion(pittingandcrevicecorrosion)foriron-,nickel-,orcobalt-basedalloysinachlorideenvironment.Thistestmethodalsodescribesanexperimentalprocedurewhichcanbeusedtocheckone''sexperimentaltechniqueandinstrumentation.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,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】:英语


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基本信息
标准名称:敌我识别和空中交通管制(IFF/ATC)机载询问应答机通用规范
英文名称:General specification for IFF/ATC airborne interrogator-transponders
中标分类:
发布部门:中华人民共和国电子工业部
发布日期:1998-03-18
实施日期:1998-05-01
首发日期:1900-01-01
作废日期:1900-01-01
归口单位:中国电子技术标准化研究所
起草单位:电子工业部国营第783厂
起草人:田建国、谭源泉、刘志强等
出版社:工业电子出版社
出版日期:1998-04-01
页数:26页
适用范围

本规范规定了敌我识别《IFF》(含询问应答)和空中交通管制《ATC》(仅含应答)机械询问应答机(以下简称询问应答机)的要求、质量保证规定、交货准备等。
本规范适用于询问应答机的设计、生产和验收,是制定产品规范的基本依据。专用检测设备也可参照使用。

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所属分类:
【英文标准名称】:Terrestrialdigitalmultimediabroadcasting(T-DMB)receivers-Part1:Basicrequirement(IEC62516-1:2009);GermanversionEN62516-1:2009
【原文标准名称】:多媒体广播(T-DMB)接收器.第1部分:基本要求(IEC62516-1-2009).德文版本EN62516-1-2009
【标准号】:DINEN62516-1-2010
【标准状态】:现行
【国别】:德国
【发布日期】:2010-01
【实施或试行日期】:2010-01-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:广播工程;广播接收机;广播;定义;数字的;数字声频的;数字广播;数字信号;数字电视;效率;电气工程;干扰信号;测量;测量技术;多媒体;性能;接收机;接收;声音广播;规范(验收);电视广播;陆地的;试验;发射机
【英文主题词】:Broadcastengineering;Broadcastreceivers;Broadcasting;Definitions;Digital;Digitalaudio;Digitalbroadcasting;Digitalsignals;Digitaltelevision;Efficiency;Electricalengineering;Interferingsignals;Measurement;Measuringtechniques;Multimedia;Properties;Receivers;Reception;Soundbroadcasting;Specification(approval);Televisionbroadcasting;Terrestrial;Testing;Transmitters
【摘要】:Thisinternationalstandardspecifiesthecharacteristicsandrequirementsforterrestrialdigitalmultimediabroadcasting(T-DMB)receivers.ThecontentsofthisstandardincludeT-DMBsysteminformation,video,audio,andMPEG-4BIFSdata.
【中国标准分类号】:M74
【国际标准分类号】:33_160_25
【页数】:27P.;A4
【正文语种】:德语