标准资料网-标准资料免费资源平台

【英文标准名称】:Electromagneticcompatibility(EMC)-Part4-23:Testingandmeasurementtechniques;TestmethodsforprotectivedevicesforHEMPandotherradiateddisturbances(IEC61000-4-23:2000);GermanversionEN61000-4-23:2000
【原文标准名称】:电磁兼容性(EMC).第4-23部分:试验和测量技术.HEMP和其它辐射干扰用防护设备的试验方法
【标准号】:EN61000-4-23-2000
【标准状态】:现行
【国别】:
【发布日期】:2001-12
【实施或试行日期】:2001-12-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:磁电效应;影响量;试验电压;基础标准;电子仪器;检验设备;正弦变化;工业的;测量仪器;电气试验;工业;兼容性;电气工程;电气设备;电气器具;测量技术;干扰抑制;测量;防电击;试验条件;电磁学;试验装置;试验组UPS;EMC电磁兼容性;电磁兼容性;定义;规范(验收);试验
【英文主题词】:Basicstandard;Checkingequipment;Compatibility;Definition;Definitions;Electricappliances;Electricalappliances;Electricalengineering;Electricaltesting;Electromagneticcompatibility;Electromagnetism;Electronicinstruments;EMC;Industrial;Industries;Influencequantities;Interferencerejections;Interferencesuppression;Magnetoelectriceffects;Measurement;Measuringinstruments;Measuringtechniques;Protectionagainstelectricshocks;Sinuscidalvibrations;Specification(approval);Testset-ups;Testing;Testingconditions;Testingdevices;Testingvoltages
【摘要】:
【中国标准分类号】:L06
【国际标准分类号】:33_100_20
【页数】:95P.;A4
【正文语种】:英语


【英文标准名称】:StandardPracticesforDetectingSusceptibilitytoIntergranularAttackinFerriticStainlessSteels
【原文标准名称】:铁素体不锈钢晶间腐蚀敏感性检测的标准作法
【标准号】:ASTMA763-1993(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1993
【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】:A01.14
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:coppersulfate;corrosiontesting;etchstructures;ferricsulfate;ferriticstainlesssteel;intergranularcorrosion;oxalicacid;Copper-coppersulfate-sulfuricacidtest;Discontinuities--steel;Drain/waste/vent(DWV);Etchstructures;Ferricsulfate-s
【摘要】:1.1Thesepracticescoverthefollowingfourtests:1.1.1PracticeW8212;Oxalicacidetchtestfordetectingsusceptibilitytointergranularattackinstabilizedferriticstainlesssteelsbyclassificationoftheetchingstructures(seeSections3through10).1.1.2PracticeX8212;Ferricsulfate-sulfuricacidtestfordetectingsusceptibilitytointergranularattackinferriticstainlesssteels(Sections11to16).1.1.3PracticeY8212;Copper-coppersulfate-50%sulfuricacidtestfordetectingsusceptibilitytointergranularattackinferriticstainlesssteels(Sections17to22).1.1.4PracticeZ8212;Copper-coppersulfate-16%sulfuricacidtestfordetectingsusceptibilitytointergranularattackinferriticstainlesssteels(Sections23to29).1.2Thefollowingfactorsgoverntheapplicationofthesepractices(1-6):1.2.1PracticeW,oxalicacidtest,isarapidmethodofidentifying,bysimple,electrolyticetching,thosespecimensofcertainferriticalloysthatarenotsusceptibletointergranularcorrosionassociatedwithchromiumcarbideprecipitation.PracticeWisusedasascreeningtesttoavoidthenecessity,foracceptablespecimens,ofmoreextensivetestingrequiredbyPracticesX,Y,andZ.SeeTable1foralistingofalloysforwhichPracticeWisappropriate.1.2.2PracticesX,Y,andZcanbeusedtodetectthesusceptibilityofcertainferriticalloystointergranularattackassociatedwiththeprecipitationofchromiumcarbidesornitrides.1.2.3PracticesW,X,Y,andZcanalsobeusedtoevaluatetheeffectofheattreatmentoroffusionweldingonsusceptibilitytointergranularcorrosion.1.2.4Table2liststheidentificationferriticstainlesssteelsforwhichdataontheapplicationofatleastoneofthestandardpracticesisavailable.1.2.5SomestabilizedferriticstainlesssteelsmayshowhighrateswhentestedbyPracticeXbecauseofmetallurgicalfactorsnotassociatedwithchromiumcarbideornitrideprecipitation.Thispossibilitymustbeconsideredinselectingthetestmethod.CombinationsofalloysandtestmethodsforwhichsuccessfulexperienceisavailableareshowninTable1.Applicationofthesestandardteststotheotherferriticstainlesssteelswillbebyspecificagreementbetweenproduceranduser.1.3Dependingonthetestandalloy,evaluationsmaybeaccomplishedbyweightlossdetermination,microscopicalexamination,orbendtest(Sections30and31).ThechoicesarelistedinTable1.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificsafetyprecautionarystatements,see3.2.5,Section7,13.1,and19.1.TABLE1MethodsforEvaluatingFerriticStainlessSteelsforSusceptibilitytoIntergranularCorrosionAlloyTimeofTest,hEvaluationCriteriaWeightLoss