MIL-STD-1223AB, MILITARY STANDARD: NONTACTICAL WHEELED VEHICLES TREATMENT, PAINTING, IDENTIFICATION MARKING AND DATA PLATE STANDARDS (01 AUG 1990) [S/S BY MIL-HDBK-1223]., This standard prescribes requirements for treatment, painting, identification marking and data plates for self propelled and towed vehicles procured for general nontactical use by the government.【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(2009)
【标准状态】:现行
【国别】:美国
【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】:
【英文主题词】:calorimeter;carbonrefractories;refractories;thermalconductivity;Refractories(carbon/carbon-bearing);Thermalanalysis(TA)--refractories
【摘要】:Thethermalconductivityofcarbonrefractoriesisapropertyrequiredforselectingtheirthermaltransmissioncharacteristics.Usersselectcarbonrefractoriestoprovidespecifiedconditionsofheatlossandcoldfacetemperature,withoutexceedingthetemperaturelimitationofthecarbonrefractory.Thistestmethodestablishesplacementofthermocouplesandpositioningoftestspecimensinthecalorimeter.ThisproceduremustbeusedwithTestMethodC201andrequiresalargethermalgradientandsteadystateconditions.Theresultsarebaseduponameantemperature.Thedatafromthistestmethodissuitableforspecificationacceptance,estimatingheatlossandsurfacetemperature,andthedesignofmulti-layerrefractoryconstruction.Theuseofthesedatarequiresconsiderationoftheactualapplicationenvironmentandconditions.1.1ThistestmethodsupplementsTestMethodC201,andshallbeusedinconjunctionwiththatproceduretodeterminethethermalconductivityofcarbonorcarbon-bearingrefractories.Thistestmethodisdesignedforrefractorieshavingaconductivityfactorofnotmorethan200Btux00B7;in./hx00B7;ft2x00B7;x00B0;F(28.8W/mx00B7;K).1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q44
【国际标准分类号】:81_080
【页数】:3P.;A4
【正文语种】:英语