DD ISO/TR 15969-2001 表面化学分析.深度剖面.溅涂深度的测量
作者:标准资料网 时间:2024-05-20 02:56:07 浏览:9390
来源:标准资料网
【英文标准名称】:Surfacechemicalanalysis.Depthprofiling.Measurementofsputtereddepth
【原文标准名称】:表面化学分析.深度剖面.溅涂深度的测量
【标准号】:DDISO/TR15969-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-10-01
【实施或试行日期】:2001-10-01
【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】:表面性质;辐射测量;轮廓测量;尺寸测量;电子发射;X射线;光谱学;质谱学;控制样品;深度;化学分析和试验;光谱化学分析;表面化学
【英文主题词】:profilemeasurement;dimensionalmeasurement;spectrochemicalanalysis;surfacechemistry;electronemission;spectroscopy;radiationmeasurement;x-rays;massspectrometry;controlsamples;surfaceproperties;depth;chemicalanalysisandtesting
【摘要】:
【中国标准分类号】:G04
【国际标准分类号】:17_040_20;71_040_40
【页数】:22P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforMeasuringExtremeHeat-TransferRatesfromHigh-EnergyEnvironmentsUsingaTransient,Null-PointCalorimeter
【原文标准名称】:用瞬变零点量热器测量高能环境的超级传热速率的标准试验方法
【标准号】:ASTME598-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:E21.08
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:calorimeter;convective;heatflux;heatfluxgage;null-point;radiative;transienttemperature;Calorimeter--aerospaceapplications;Convectiveenergy;Extremeheattransferrates;Heatflux;Heatingtests--aerospacematerials;Heattransfer;Trans
【摘要】:Thepurposeofthistestmethodistomeasureextremelyhighheat-transferratestoabodyimmersedineitherastaticenvironmentorinahighvelocityfluidstream.Thisisusuallyaccomplishedwhilepreservingthestructuralintegrityofthemeasurementdeviceformultipleexposuresduringthemeasurementperiod.Heat-transferratesrangingupto2.84x00D7;102MW/m2(2.5x00D7;104Btu/ft2-sec)(7)havebeenmeasuredusingnull-pointcalorimeters.Useofcoppernull-pointcalorimetersprovidesameasuringsystemwithgoodresponsetimeandmaximumruntimetosensorburnout(orablation).Null-pointcalorimetersarenormallymadewithsensorbodydiametersof2.36mm(0.093in.)press-fittedintothenoseofanaxisymmetricmodel.Sourcesoferrorinvolvingthenull-pointcalorimeterinhighheat-fluxmeasurementapplicationsareextensivelydiscussedinRefs(3-7).Inparticular,ithasbeenshownbothanalyticallyandexperimentallythatthethicknessofthecopperabovethenull-pointcavityiscritical.Ifthethicknessistoogreat,thetimeresponseoftheinstrumentwillnotbefastenoughtopickupimportantflowcharacteristics.Ontheotherhand,ifthethicknessistoosmall,thenull-pointcalorimeterwillindicatesignificantlylarger(andtimedependent)valuesthantheinputorincidentheatflux.Therefore,allnull-pointcalorimetersshouldbeexperimentallycheckedforpropertimeresponseandcalibrationbeforetheyareused.Althoughacalibrationapparatusisnotverydifficultorexpensivetofabricate,thereisonlyoneknownsystempresentlyinexistence(6and7).Thedesignofnull-pointcalorimeterscanbeaccomplishedfromthedatainthisdocumentation.However,fabricationofthesesensorsisadifficulttask.Sincethereisnotpresentlyasignificantmarketfornull-pointcalorimeters,commercialsourcesofthesesensorsarefew.Fabricationdetailsaregenerallyregardedasproprietaryinformation.Someusershavedevelopedmethodstofabricatetheirownsensors(7).Itisgenerallyrecommendedthatthecustomershouldrequestthesuppliertoprovidebothtransientexperimentaltimeresponseandcalibrationdatawitheachnull-pointcalorimeter.Otherwise,theendusercannotassumethesensorwillgiveaccurateresults.Interpretationofresultsfromnull-pointcalorimeterswill,ingeneral,bethesameasforotherheat-fluxsensorsoperatingonthesemi-infinitesolidprinciplesuchascoaxialsurfacethermocouplesandplatinumthin-filmgages.Thatis,theeffectsofsurfacechemicalreactions,gradientsinthelocalflowandenergyfields,thermalradiation,andmodelalignmentrelativetotheflowfieldvectorwillproducethesamequalitativeresultsaswouldbeexperiencedwithothertypesofheatfluxsensors.Inaddition,signalconditioninganddataprocessingcansignificantlyinfluencetheinterpretationofnull-pointcalorimeterdata.1.1Thistestmethodcoversthemeasurementoftheheat-transferrateortheheatfluxtothesurfaceofasolidbody(testsample)usingthemeasuredtransienttemperatureriseofathermocouplelocatedatthenullpointofacalorimeterthatisinstalledinthebodyandisconfiguredtosimulateasemi-infinitesolid.Bydefinitionthenullpointisauniquepositionontheaxialcenterlineofadisturbedbodywhichexperiencesthesametransienttemperaturehistoryasthatonthesurfaceofasolidbodyintheabsenceofthephysicaldisturbance(hole)forthesameheat-fluxinput.1.2Null-pointcalorimetershavebeenusedtomeasurehighconvectiveorradiantheat-transferratestobodiesimmersedinbothflowingandstaticenvironme......
【中国标准分类号】:A54
【国际标准分类号】:17_200_10
【页数】:10P.;A4
【正文语种】:英语
【英文标准名称】:SpecificationforGeneralRequirementsforFerriticAlloySteel,AusteniticAlloySteel,andStainlessSteelTubes
【原文标准名称】:铁素体合金钢、奥氏体合金钢和不锈钢钢管一般要求规范
【标准号】:ANSI/ASTMA1016-2001
【标准状态】:作废
【国别】:美国
【发布日期】:2001
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:规范(验收);钢管;合金钢
【英文主题词】:steelpipes;specification(approval);alloysteels
【摘要】:
【中国标准分类号】:H48
【国际标准分类号】:23_040_10
【页数】:
【正文语种】:英语
