NF E66-343-1966 金属碳化物刀片车刀.车内螺纹刀具
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来源:标准资料网
【英文标准名称】:TURNINGTOOLSWITHCARBIDETIPS.INTERNALSCREWCUTTINGTOOLS.
【原文标准名称】:金属碳化物刀片车刀.车内螺纹刀具
【标准号】:NFE66-343-1966
【标准状态】:作废
【国别】:法国
【发布日期】:1961-01
【实施或试行日期】:1966-09-28
【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】:规范;名称与符号;车床刃具;硬质合金刀具;尺寸;尺寸公差;攻丝刀具
【英文主题词】:lathetools;carbidetools;specifications;dimensionaltolerances;threadingtools;designations;dimensions;designation
【摘要】:
【中国标准分类号】:J41
【国际标准分类号】:
【页数】:1P;A4
【正文语种】:其他
【英文标准名称】:CriteriaforEvaluatingRoomNoise
【原文标准名称】:房屋噪音评估标准
【标准号】:ANSI/ASAS12.2-2008
【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】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:评估;噪声测量;房屋
【英文主题词】:Evaluations;Noisemeasurements;Rooms
【摘要】:ThisStandardprovidesthreeprimarymethodsforevaluatingroomnoise:asurveymethodthatemploystheA-weightedsoundlevel;anengineeringmethodthatemploysexpandednoisecriteria(NC)curves;andamethodforevaluatinglowfrequencyfluctuatingnoiseusingroomnoisecriterion(RNC)curves.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_20
【页数】:
【正文语种】:英语
【英文标准名称】:StandardPracticeforStrainControlledThermomechanicalFatigueTesting
【原文标准名称】:应变控制热力疲劳试验的标准规程
【标准号】:ASTME2368-2004e1
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:E08.05
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:控制;应变;热力学的;疲劳试验
【英文主题词】:straincontrolled;thermomechanical;fatiguetesting
【摘要】:Intheutilizationofstructuralmaterialsinelevatedtemperatureenvironments,componentsthataresusceptibletofatiguedamagemayexperiencesomeformofsimultaneouslyvaryingthermalandmechanicalforcesthroughoutagivencycle.Theseconditionsareoftenofcriticalconcernbecausetheycombinetemperaturedependentandcycledependent(fatigue)damagemechanismswithvaryingseverityrelatingtothephaserelationshipbetweencyclictemperatureandcyclicmechanicalstrain.Sucheffectscanbefoundtoinfluencetheevolutionofmicrostructure,micromechanismsofdegradation,andavarietyofotherphenomenologicalprocessesthatultimatelyaffectcycliclife.Thestrain-controlledthermomechanicalfatiguetestisoftenusedtoinvestigatetheeffectsofsimultaneouslyvaryingthermalandmechanicalloadingsunderidealizedconditions,wherecyclictheoreticallyuniformtemperatureandstrainfieldsareexternallyimposedandcontrolledthroughoutthegagesectionofthespecimen.1.1Thispracticecoversthedeterminationofthermomechanicalfatigue(TMF)propertiesofmaterialsunderuniaxiallyloadedstrain-controlledconditions.A"thermomechanical"fatiguecycleisheredefinedasaconditionwhereuniformtemperatureandstrainfieldsoverthespecimengagesectionaresimultaneouslyvariedandindependentlycontrolled.ThispracticeisintendedtoaddressTMFtestingperformedinsupportofsuchactivitiesasmaterialsresearchanddevelopment,mechanicaldesign,processandqualitycontrol,productperformance,andfailureanalysis.Whilethispracticeisspecifictostrain-controlledtesting,manysectionswillprovideusefulinformationforforce-controlledorstress-controlledTMFtesting.1.2Thispracticeallowsforanymaximumandminimumvaluesoftemperatureandmechanicalstrain,andtemperature-mechanicalstrainphasing,withtherestrictionbeingthatsuchparametersremaincyclicallyconstantthroughoutthedurationofthetest.Norestrictionsareplacedonenvironmentalfactorssuchaspressure,humidity,environmentalmedium,andothers,providedthattheyarecontrolledthroughoutthetest,donotcauselossoforchangeinspecimendimensionsintime,andaredetailedinthedatareport.1.3Theuseofthispracticeislimitedtospecimensanddoesnotcovertestingoffull-scalecomponents,structures,orconsumerproducts.
【中国标准分类号】:A40
【国际标准分类号】:19_060
【页数】:8P.;A4
【正文语种】:
