BS EN 821-2-1997 高技术陶瓷.整体陶瓷.热物理特性.激光闪烁法(或热脉冲法)对热扩散率的测定

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【英文标准名称】:Advancedtechnicalceramics-Monolithicceramics-Thermo-physicalproperties-Determinationofthermaldiffusivitybythelaserflash(orheatpulse)method
【原文标准名称】:高技术陶瓷.整体陶瓷.热物理特性.激光闪烁法(或热脉冲法)对热扩散率的测定
【标准号】:BSEN821-2-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-11-15
【实施或试行日期】:1997-11-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:试验设备;准确度;整体材料;陶瓷;特种陶瓷;热扩散系数;校正;数学计算;热测量;试样;热试验;试样制备;试验条件
【英文主题词】:Advancedtechnicalceramics;Ceramics;Definition;Definitions;Materials;Materialstesting;Measurement;Measuringtechniques;Monolithic;Monolithicmaterials;Physicalproperties;Temperature;Testing;Thermalconductivity;Thermaldiffusivity
【摘要】:ThisPartofEN821specifiesamethodforthedeterminationofthermaldiffusivityofadvancedmonolithictechnicalceramics,toanaccuracyofapproximately±5%.Itissuitableforthemeasurementofthermaldiffusivityvaluesintherange0,1mm/sto1000mm/sattemperaturesgreaterthan-180℃.AnnexAgivesthemathematicalderivationofthecalculations,andannexBcontainsinstructiononactionsnecessarywhenthecalculationscannotbemadeintheusualway.NOTE1.Itisnotadvisabletoexceedthetemperatureatwhichthetestpiecewasmanufactured.NOTE2.Thismethodinvolvestheuseofahighpoweredpulsedlasersystemorhighenergyphotoflashequipmentaswellashighvacuumandhightemperaturefurnacecapability.Suchequipmentthereforeshouldbeoperatedwithinestablishedsafetyprocedures.(SeeEN60825).
【中国标准分类号】:Q32
【国际标准分类号】:81_060_30
【页数】:18P;A4
【正文语种】:英语