ASTM E436-2003(2008) 铁素体钢的坠重破裂的标准试验方法

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【英文标准名称】:StandardTestMethodforDrop-WeightTearTestsofFerriticSteels
【原文标准名称】:铁素体钢的坠重破裂的标准试验方法
【标准号】:ASTME436-2003(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:E08.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:brittlefracture;drop-weightteartest;ferriticsteels;fractureappearance;impactloading;percentsheararea;Carbonsteel;Droptests--ferriticsteels;Ferriticstainlesssteel;Fracturetesting--metals/alloys;Sheartesting
【摘要】:Thistestmethodcanbeusedtodeterminetheappearanceofpropagatingfracturesinplaincarbonorlow-alloypipesteels(yieldstrengthslessthan825MPa)overthetemperaturerangewherethefracturemodechangesfrombrittle(cleavageorflat)toductile(shearoroblique).Thistestmethodcanservethefollowingpurposes:Forresearchanddevelopment,tostudytheeffectofmetallurgicalvariablessuchascompositionorheattreatment,oroffabricatingoperationssuchasweldingorformingonthemodeoffracturepropagation.Forevaluationofmaterialsforservicetoindicatethesuitabilityofamaterialforspecificapplicationsbyindicatingfracturepropagationbehaviorattheservicetemperature(s).Forinformationorspecificationpurposes,toprovideamanufacturingqualitycontrolonlywhensuitablecorrelationshavebeenestablishedwithservicebehavior.1.1Thistestmethodcoversdrop-weightteartests(DWTT)onferriticsteelswiththicknessesbetween3.18and19.1mm.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:6P.;A4
【正文语种】:英语


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【英文标准名称】:StandardGuideforConceptualizationandCharacterizationofGround-WaterSystems
【原文标准名称】:地下水系统概念化和特性化的标准指南
【标准号】:ASTMD5979-1996(2002)
【标准状态】:现行
【国别】:
【发布日期】:1996
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D18.21
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:characterization;conceptualization;groundwater;ground-watermodeling;ground-watersystems;
【摘要】:1.1Thisguidecoversanintegrated,stepwisemethodforthequalitativeconceptualizationandquantitativecharacterizationofground-waterflowsystems,includingtheunsaturatedzone,fornaturalorhuman-inducedbehaviororchanges.1.2Thisguidemaybeusedatanyscaleofinvestigation,includingsite-specific,subregional,andregionalapplications.1.3Thisguidedescribesaniterativeprocessfordevelopingmultipleworkinghypothesesforcharacterizingground-waterflowsystems.Thisprocessaimsatreducinguncertaintywithrespecttoconceptualmodels,observation,interpretation,andanalysisintermsofhypothesisandrefinementofthemostlikelyconceptualmodeloftheground-waterflowsystem.Theprocessisalsoaimedatreducingtherangeofrealisticvaluesforparametersidentifiedduringthecharacterizationprocess.Thisguidedoesnotaddressthequantitativeuncertaintyassociatedwithspecificmethodsofhydrogeologicandground-watersystemcharacterizationandquantification,forexample,theeffectsofwellconstructiononwater-levelmeasurement.1.4Thisguideaddressesthegeneralprocedure,typesofdataneeded,andreferencesthatenabletheinvestigatortocompletetheprocessofanalysisandinterpretationofeachdatatypewithrespecttogeohydrologicprocessesandhydrogeologicframework.Thisguiderecommendsthegroupsofdataandanalysistobeusedduringeachstepoftheconceptualizationprocess.1.5Thisguidedoesnotaddressthespecificmethodsforcharacterizinghydrogeologicandground-watersystemproperties.1.6Thisguidedoesnotaddressmodelselection,design,orattributionforuseintheprocessofground-waterflowsystemcharacterizationandquantification.Thisguidedoesnotaddresstheprocessofmodelschematization,includingthesimplificationofhydrologicsystemsandtherepresentationofhydrogeologicparametersinmodels.1.7Thisguidedoesnotaddressspecialconsiderationsrequiredforcharacterizationofkarstandfracturedrockterrain.Insuchhydrogeologicsettings,refertoQuinlan(1)andGuideD5717foradditionalguidance.1.8Thisguidedoesnotaddressspecialconsiderationsregardingthesource,fate,andmovementofchemicalsinthesubsurface.1.9Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.10Thisguideoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthisguidemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject'smanyuniqueaspects.Theword"Standard"inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.
【中国标准分类号】:D04
【国际标准分类号】:13_060_10
【页数】:7P.;A4
【正文语种】:


基本信息
标准名称:出口茶叶中硒的荧光光度测定方法
中标分类: 食品 >> 饮料 >> 茶叶制品
替代情况:转化为SN/T 0926-2000
发布日期:
实施日期:1985-09-01
首发日期:
作废日期:
出版日期:
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所属分类: 食品 饮料 茶叶制品