ANSI/ASTM D6744-2005 采用保护热流计技术测定阳极碳热导率的方法

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【英文标准名称】:TestMethodforDeterminationoftheThermalConductivityofAnodeCarbonsbytheGuardedHeatFlowMeterTechnique
【原文标准名称】:采用保护热流计技术测定阳极碳热导率的方法
【标准号】:ANSI/ASTMD6744-2005
【标准状态】:作废
【国别】:美国
【发布日期】:2005
【实施或试行日期】:2005-11-29
【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】:阳极;碳;煤;测定;流量计;热流;材料试验;金属产品和工业;冶金;计;试验;导热性
【英文主题词】:Anodes;Carbon;Coal;Determination;Flowmeters;Heatflow;Materialstesting;Metalproducingandworkingindustries;Metallurgy;Testing;Thermalconductivity
【摘要】:Thistestmethodcoversasteady-statetechniqueforthedeterminationofthethermalconductivityofcarbonmaterialsinthicknessesoflessthan25mm.Thetestmethodisusefulforhomogeneousmaterialshavingathermalconductivityintheapproximaterange130W/(mK),(thermalresistanceintherangefrom10to40010mK/W)overtheapproximatetemperaturerangefrom150to600K.Itcanbeusedoutsidetheserangeswithreducedaccuracyforthickerspecimensandforthermalconductivityvaluesupto60W/(mK).Note1-Itisnotrecommendedtotestgraphitecathodematerialsusingthistestmethod.Graphitesusuallyhaveaverylowthermalresistance,andtheinterfacesbetweenthesampletobetestedandtheinstrumentbecomemoresignificantthanthesampleitself.ThistestmethodissimilarinconcepttoTestMethodsE1530andC518.Significantattentionhasbeenpaidtoensurethatthethermalresistanceofcontactingsurfacesisminimizedandreproducible.ThevaluesstatedinSIunitsareregardedasstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:K04
【国际标准分类号】:77_020
【页数】:
【正文语种】:英语