ASTM C767-1993(2004) 炭精耐火材料导热率的标准试验方法

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【英文标准名称】:StandardTestMethodforThermalConductivityofCarbonRefractories
【原文标准名称】:炭精耐火材料导热率的标准试验方法
【标准号】:ASTMC767-1993(2004)
【标准状态】:现行
【国别】:
【发布日期】:1993
【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】:C08.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:电导性;耐火材料;碳;导热性;试验
【英文主题词】:calorimeter;carbonrefractories;refractories;thermalconductivity
【摘要】:Thethermalconductivityofcarbonrefractoriesisapropertyrequiredforselectingtheirthermaltransmissioncharacteristics.Usersselectcarbonrefractoriestoprovidespecifiedconditionsofheatlossandcoldfacetemperature,withoutexceedingthetemperaturelimitationofthecarbonrefractory.Thistestmethodestablishesplacementofthermocouplesandpositioningoftestspecimensinthecalorimeter.ThisproceduremustbeusedwithTestMethodC201andrequiresalargethermalgradientandsteadystateconditions.Theresultsarebaseduponameantemperature.Thedatafromthistestmethodissuitableforspecificationacceptance,estimatingheatlossandsurfacetemperature,andthedesignofmulti-layerrefractoryconstruction.Theuseofthesedatarequiresconsiderationoftheactualapplicationenvironmentandconditions.1.1ThistestmethodsupplementsTestMethodC201,andshallbeusedinconjunctionwiththatproceduretodeterminethethermalconductivityofcarbonorcarbon-bearingrefractories.Thistestmethodisdesignedforrefractorieshavingaconductivityfactorofnotmorethan200Btuin./hft2F(28.8W/mK).1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q44
【国际标准分类号】:71_100_99;81_080
【页数】:3P.;A4
【正文语种】: