BS EN 821-3-2005 高级工业陶瓷.整体陶瓷.热物理特性.比热容的测定
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【英文标准名称】:Advancedtechnicalceramics-Monolithicceramics-Thermo-physicalproperties-Determinationofspecificheatcapacity
【原文标准名称】:高级工业陶瓷.整体陶瓷.热物理特性.比热容的测定
【标准号】:BSEN821-3-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-04-20
【实施或试行日期】:2005-04-20
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:陶瓷;特性;材料;试验设备;质量;规范(验收);DSC方法;测定;材料试验;物理性能;热的;热量测量;热力学性质;比热;温度;大容量;整体材料;热量;单片的;高级工业陶瓷;热容;定义
【英文主题词】:
【摘要】:Thisdocumentspecifiestwomethodsforthedeterminationofspecificheatcapacityofadvancedmonolithictechnicalceramicmaterialsbasedondropcalorimetry(MethodA)anddifferentialscanningcalorimetry(DSC,MethodB)overatemperaturerangefromroomtemperatureupwards,dependingonthedesignoftheequipment.NOTE1Themethodsdescribedapplyinthecaseoftestmaterialsfreefromphasetransformations,annealingeffectsorpartialmelting.Ifanysucheffectoccursinamaterialoverthetemperaturerangeofthetest,spuriousresultswillbeobtainedunlessthedataarecarefullyanalysed.Insuchcasesitisusuallynecessarytoconductrepeattestsatanumberoftemperaturesclosetothediscontinuity,inordertoestimatecorrectlyitscontributiontotheapparentheatcapacity.NOTE2Careshouldbeexercisedinbothmethodsovertheselectionofthecellorcruciblematerialandintheselectionofthetestatmosphere,especiallyathightemperatures.Testpiecescanreactwiththecrucibleortheatmosphere,leadingtospuriousresults.Ingeneral,anawarenessofsuchproblemsshouldbemaintainedatalltimes.EspeciallywithregardtoMethodB,awarenessshouldalsobemaintainedofradiationeffectsattemperaturesabove1000℃,andofthereproducibilityoftheoutputsignal.
【中国标准分类号】:Q32
【国际标准分类号】:81_060_30
【页数】:22P;A4
【正文语种】:英语
【原文标准名称】:高级工业陶瓷.整体陶瓷.热物理特性.比热容的测定
【标准号】:BSEN821-3-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-04-20
【实施或试行日期】:2005-04-20
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:陶瓷;特性;材料;试验设备;质量;规范(验收);DSC方法;测定;材料试验;物理性能;热的;热量测量;热力学性质;比热;温度;大容量;整体材料;热量;单片的;高级工业陶瓷;热容;定义
【英文主题词】:
【摘要】:Thisdocumentspecifiestwomethodsforthedeterminationofspecificheatcapacityofadvancedmonolithictechnicalceramicmaterialsbasedondropcalorimetry(MethodA)anddifferentialscanningcalorimetry(DSC,MethodB)overatemperaturerangefromroomtemperatureupwards,dependingonthedesignoftheequipment.NOTE1Themethodsdescribedapplyinthecaseoftestmaterialsfreefromphasetransformations,annealingeffectsorpartialmelting.Ifanysucheffectoccursinamaterialoverthetemperaturerangeofthetest,spuriousresultswillbeobtainedunlessthedataarecarefullyanalysed.Insuchcasesitisusuallynecessarytoconductrepeattestsatanumberoftemperaturesclosetothediscontinuity,inordertoestimatecorrectlyitscontributiontotheapparentheatcapacity.NOTE2Careshouldbeexercisedinbothmethodsovertheselectionofthecellorcruciblematerialandintheselectionofthetestatmosphere,especiallyathightemperatures.Testpiecescanreactwiththecrucibleortheatmosphere,leadingtospuriousresults.Ingeneral,anawarenessofsuchproblemsshouldbemaintainedatalltimes.EspeciallywithregardtoMethodB,awarenessshouldalsobemaintainedofradiationeffectsattemperaturesabove1000℃,andofthereproducibilityoftheoutputsignal.
【中国标准分类号】:Q32
【国际标准分类号】:81_060_30
【页数】:22P;A4
【正文语种】:英语
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