BS EN 60398-1999 工业电热装置.通用试验方法

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【英文标准名称】:Industrialelectroheatinginstallations-Generaltestmethods
【原文标准名称】:工业电热装置.通用试验方法
【标准号】:BSEN60398-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-11-15
【实施或试行日期】:1999-11-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:流量测量;熔化;电阻测量;试验条件;电学测量;工业的;冷却系统;电绝缘;电磁兼容性;介电强度试验;炉;低温试验;高温试验;电炉;微波;红外线辐射;电压测量;电气设备;等离子体;性能试验;电热器;湿度测定;试验设备;加热设备
【英文主题词】:
【摘要】:ThisInternationalStandardisapplicabletoindustrialelectroheatinstallationssuchas:-directarcfurnaces;-submergedarcfurnaces;-inductionfurnaces;-equipmentformedium-andhigh-frequencyinductionheating;-equipmentforradiofrequencyheatinganddielectricheating;-equipmentfordirectandindirectresistanceheating;-electroslagremeltingfurnaces;-equipmentforinfra-redheating;-microwaveheatingequipment;-electroheatequipmentwithelectronguns;-plasmaelectroheatequipment;-industriallaserequipment.Thisstandardisnotapplicabletoelectriccookingandheatingequipmentforhouseholdandsimilarpurposes,nordoesitapplytoinstallationsandapparatusforhouseholdandindustrialroomheating,soldering,weldingorsimilaruses,electroheatinstallationsforagriculture,forheatingroads,bridges,parking,orspaceheatingofanykind.Theobjectofthisstandardisstandardisationofthetestconditions,fundamentalmeasure-mentsandgeneraltestmethodsapplicabletoallindustrialelectroheatinstallationstoconfirmtheirsafetyandperformancespecifications.Thisstandardisintendedtobeusedinconjunctionwiththerelevantparticularstandardsonsafetyandperformanceforindustrialelectroheatequipmentwheretheseexist.Wheresuchstandardsarenotapplicable,agreementmaybemadebetweenthemanufactureranduser.Thelistsoftestsgiveninthisstandardareneithermandatorynorrestrictive.
【中国标准分类号】:K61
【国际标准分类号】:25_180_10
【页数】:18P;A4
【正文语种】:英语


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【英文标准名称】:StandardPracticeforConstant-Amplitude,Axial,Tension-TensionCyclicFatigueofAdvancedCeramicsatAmbientTemperatures
【原文标准名称】:高级陶瓷在环境温度下的恒幅轴向张力循环疲劳性能测定的标准实施规程
【标准号】:ASTMC1361-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:C28.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:advancedceramic;S-Ncurve;tension-tensioncyclicfatigue;Advancedceramics;Ambienttemperature;Constant-amplitudeaxialtension-tensionfatigue;S-Ncurve;Tensileproperties/testing--ceramics;Tension-tensioncyclicfatigue
【摘要】:Thispracticemaybeusedformaterialdevelopment,materialcomparison,qualityassurance,characterization,reliabilityassessment,anddesigndatageneration.High-strength,monolithicadvancedceramicmaterialsaregenerallycharacterizedbysmallgrainsizes(x003C;50x03BC;m)andbulkdensitiesnearthetheoreticaldensity.Thesematerialsarecandidatesforload-bearingstructuralapplicationsrequiringhighdegreesofwearandcorrosionresistance,andhigh-temperaturestrength.Althoughflexuraltestmethodsarecommonlyusedtoevaluatestrengthofadvancedceramics,thenonuniformstressdistributioninaflexurespecimenlimitsthevolumeofmaterialsubjectedtothemaximumappliedstressatfracture.Uniaxially-loadedtensilestrengthtestsmayprovideinformationonstrength-limitingflawsfromagreatervolumeofuniformlystressedmaterial.CyclicfatiguebyitsnatureisaprobabilisticphenomenonasdiscussedinSTP91AandSTP588.(1,2)Inaddition,thestrengthsofadvancedceramicsareprobabilisticinnature.Therefore,asufficientnumberoftestspecimensateachtestingconditionisrequiredforstatisticalanalysisanddesign,withguidelinesforsufficientnumbersprovidedinSTP91A,(1)STP588,(2)andPracticeE739.Themanydifferenttensilespecimengeometriesavailableforcyclicfatiguetestingmayresultinvariationsinthemeasuredcyclicfatiguebehaviorofaparticularmaterialduetodifferencesinthevolumeorsurfaceareaofmaterialinthegagesectionofthetestspecimens.Tensilecyclicfatiguetestsprovideinformationonthematerialresponseunderfluctuatinguniaxialtensilestresses.Uniformstressstatesarerequiredtoeffectivelyevaluateanynon-linearstress-strainbehaviorwhichmaydevelopastheresultofcumulativedamageprocesses(forexample,microcracking,cyclicfatiguecrackgrowth,etc.).Cumulativedamageprocessesduetocyclicfatiguemaybeinfluencedbytestingmode,testingrate(relatedtofrequency),differencesbetweenmaximumandminimumforce(Rorx0391;),effectsofprocessingorcombinationsofconstituentmaterials,orenvironmentalinfluences,orboth.Otherfactorsthatinfluencecyclicfatiguebehaviourare:voidorporositycontent,methodsoftestspecimenpreparationorfabrication,testspecimenconditioning,testenvironment,forceorstrainlimitsduringcycling,waveshapes(thatis,sinusoidal,trapezoidal,etc.),andfailuremode.Someoftheseeffectsmaybeconsequencesofstresscorrosionorsubcritical(slow)crackgrowthwhichcanbedifficulttoquantify.Inaddition,surfaceornear-surfaceflawsintroducedbythetestspecimenfabricationprocess(machining)mayormaynotbequantifiablebyconventionalmeasurementsofsurfacetexture.Therefore,surfaceeffects(forexample,asreflectedincyclicfatiguereductionfactorsasclassifiedbyMarin(3))mustbeinferredfromtheresultsofnumerouscyclicfatiguetestsperformedwithtestspecimenshavingidenticalfabricationhistories.Theresultsofcyclicfatiguetestsofspecimensfabricatedtostandardizeddimensionsfromaparticularmaterialorselectedportionsofapart,orboth,maynottotallyrepresentthecyclicfatiguebehavioroftheentire,full-sizeendproductoritsin-servicebehaviorindifferentenvironments.However,forqualitycontrolpurposes,resultsderivedfromstandardizedtensiletestspecimensmaybeconsideredindicativeoftheresponseofthematerialfromwhichtheyweretakenforgivenprimaryprocessingconditionsandpost-processingheattreatments.Th.........
【中国标准分类号】:Q32
【国际标准分类号】:81_060_30
【页数】:9P.;A4
【正文语种】:英语


【英文标准名称】:Plasticspipingsystems-Plasticsshaftsorrisersforinspectionchambersandmanholes-Determinationofresistanceagainstsurfaceandtrafficloading.
【原文标准名称】:塑料管道系统.监测室和人孔用塑料竖井.测定耐路表面和交通载荷能力
【标准号】:NFP16-367-2006
【标准状态】:现行
【国别】:法国
【发布日期】:2006-05-01
【实施或试行日期】:2006-05-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:直管;封盖物;定义;配件;检验;负荷;载荷试验;人孔盖;人孔;作标记;材料;模制件;管道;管;塑料;额定值;耐力;排水工程;下水道;竖井;规范(验收);监督(认可);试验设备;试验报告;试验;水常规
【英文主题词】:
【摘要】:
【中国标准分类号】:P41
【国际标准分类号】:93_025;93_030
【页数】:10P;A4
【正文语种】:英语