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【英文标准名称】:Plastics—Determinationofthermalconductivityandthermaldiffusivity—Part2:Transientplaneheatsource(hotdisc)method
【原文标准名称】:塑料.热传导率和热扩散率的测定.第2部分:瞬时平面热源(发热盘)法
【标准号】:ISO22007-2-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-12-15
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:电导性;定义;热容;热源;数学计算;测量;测量技术;塑料;性能;温度;试验;试验装置;导热性;热扩散系数;热性能;材料热性质
【英文主题词】:Conductivity;Definition;Definitions;Heatcapacity;Heatsources;Mathematicalcalculations;Measurement;Measuringtechniques;Plastics;Properties;Temperature;Testing;Testingdevices;Thermalconductivity;Thermaldiffusivity;Thermalproperties;Thermalpropertiesofmaterials
【摘要】:1.1ThispartofISO22007specifiesamethodforthedeterminationofthethermalconductivityandthermaldiffusivity,andhencethespecificheatcapacityperunitvolume,ofplastics.Theexperimentalarrangementcanbedesignedtomatchdifferentspecimensizes.Measurementscanbemadeingaseousandvacuumenvironmentsatarangeoftemperaturesandpressures.1.2Thismethodissuitablefortestinghomogeneousandisotropicmaterials,aswellasanisotropicmaterialswithauniaxialstructure.Ingeneral,themethodissuitableformaterialshavingvaluesofthermalconductivity,λ,intheapproximaterange0.01W?m?K＜λ＜500W?m?Kandvaluesofthermaldiffusivity,α,intherange5×10m?s≤α≤10m?s,andfortemperatures,T,intheapproximaterange50K＜T＜1000K.1.3Thethermal-transportpropertiesofliquidscanalsobedetermined,providedcareistakentominimizethermalconvection.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:24P.;A4
【正文语种】:英语