【英文标准名称】:StandardGuideforCreviceCorrosionTestingofIron-BaseandNickel-BaseStainlessAlloysinSeawaterandOtherChloride-ContainingAqueousEnvironments
【原文标准名称】:海水及其它含氯化物的水环境中铁基和镍基不锈合金的裂隙腐蚀试验的标准指南
【标准号】:ASTMG78-2001(2007)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:G01.09
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:导则;不锈的;海水;腐蚀试验;铁;磨损;合金;腐蚀;镍;金属
【英文主题词】:aqueous;chloride;corrosion;crevice;ironbase;nickel-base;testing
【摘要】:Thisguidecoversproceduresforcrevice-corrosiontestingofiron-baseandnickel-basestainlessalloysinseawater.Theguidanceprovidedmayalsobeapplicabletocrevicecorrosiontestinginotherchloridecontainingnaturalwatersandvariouslaboratorypreparedaqueouschlorideenvironments.Thisguidedescribestheuseofavarietyofcreviceformersincludingthenonmetallic,segmentedwasherdesignreferredtoasthemultiplecreviceassembly(MCA)asdescribedin9.2.2.In-serviceperformancedataprovidethemostreliabledeterminationofwhetheramaterialwouldbesatisfactoryforaparticularenduse.Translationoflaboratorydatafromasingletestprogramtopredictserviceperformanceunderavarietyofconditionsshouldbeavoided.Terms,suchasimmunity,superiorresistance,etc.,provideonlyageneralandrelativelyqualitativedescriptionofanalloyrsquo;corrosionperformance.Thelimitationsofsuchtermsindescribingresistancetocrevicecorrosionshouldberecognized.Whiletheguidanceprovidedisgenerallyforthepurposeofevaluatingsheetandplatematerials,itisalsoapplicableforcrevice-corrosiontestingofotherproductforms,suchastubingandbars.Thepresenceorabsenceofcrevicecorrosionunderonesetofconditionsisnoguaranteethatitwillorwillnotoccurunderotherconditions.Becauseofthemanyinterrelatedmetallurgical,environmental,andgeometricfactorsknowntoaffectcrevicecorrosion,resultsfromanygiventestmayormaynotbeindicativeofactualperformanceinserviceapplicationswheretheconditionsmaybedifferentfromthoseofthetest.1.1Thisguidecoversinformationforconductingcrevice-corrosiontestsandidentifiesfactorsthatmayaffectresultsandinfluenceconclusions.1.2Theseprocedurescanbeusedtoidentifyconditionsmostlikelytoresultincrevicecorrosionandprovideabasisforassessingtherelativeresistanceofvariousalloystocrevicecorrosionundercertainspecifiedconditions.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Foraspecificwarningstatement,see7.1.1.
【中国标准分类号】:H25
【国际标准分类号】:77_060
【页数】:8P.;A4
【正文语种】:


【英文标准名称】:Short-circuitcurrentsinthree-phasea.c.systems-Part3:Currentsduringtwoseparatesimultaneousline-to-earthshort-circuitsandpartialshort-circuitcurrentsflowingthroughearth(IEC60909-3:2009);GermanversionEN60909-3:2010
【原文标准名称】:三相交流系统的短路电流.第3部分:两个对地短路电流和部分短路电流分别同时流入大地时的电流(IEC60909-3-2009).德文版本EN60909-3-2010
【标准号】:DINEN60909-3-2010
【标准状态】:现行
【国别】:德国
【发布日期】:2010-08
【实施或试行日期】:2010-08-01
【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】:定义;双线接地短路;电网;电气工程;电气设备;电学;故障电流;高电压;线路接地短路;低电压;数学计算;架空线;还原比率;短路阻抗;短路;短路电流;单相电路;符号;三相电流;三相电力网
【英文主题词】:Definitions;Doubleline-to-earthshort-circuits;Electricpowernetworks;Electricalengineering;Electricalequipment;Electricity;Faultcurrents;Highvoltage;Line-to-earthshort-circuits;Lowvoltage;Mathematicalcalculations;Overheadpowerlines;Reductionratio;Shortcircuitimpedance;Shortcircuits;Short-circuitcurrents;Single-phasecircuits;Symbols;Three-phasecurrent;Three-phasenetworks
【摘要】:
【中国标准分类号】:A55;K04
【国际标准分类号】:17_220_01
【页数】:60P;A4
【正文语种】:德语