【英文标准名称】:StandardGuideforTestingtheThermalPropertiesofAdvancedCeramics
【原文标准名称】:高级陶瓷热性能测试的标准指南
【标准号】:ASTMC1470-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:C28.03
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:高级工业陶瓷;陶瓷;特性;试验;热的;热性能;热试验
【英文主题词】:advancedceramic;ceramiccomposite;emissivity;emittance;specificheatcapacity;thermalconductivity;thermaldiffusivity;thermalexpansion;thermalproperties
【摘要】:Thehigh-temperaturecapabilitiesofadvancedceramicsareakeyperformancebenefitformanydemandingengineeringapplications.Inmanyofthoseapplications,advancedceramicswillhavetoperformacrossabroadtemperaturerange.Thethermalexpansion,thermaldiffusivity/conductivity,specificheat,andemittance/emissivityarecrucialengineeringfactorsinintegratingceramiccomponentsintoaerospace,automotive,andindustrialsystemsThisguideisintendedtoserveasareferenceandinformationsourcefortestingthethermalpropertiesofadvancedceramics,basedonanunderstandingoftherelationshipsbetweenthecompositionandmicrostructureofthesematerialsandtheirthermalproperties.TheuseofthisguideassiststhetestingcommunityincorrectlyapplyingtheASTMthermaltestmethodstoadvancedceramicstoensurethatthethermaltestresultsareproperlymeasured,interpreted,andunderstood.Thisguidealsoassiststheuserinselectingtheappropriatethermaltestmethodtoevaluatetheparticularthermalpropertiesoftheadvancedceramicofinterest.Thethermalpropertiesofadvancedceramicsarecriticaldatainthedevelopmentofceramiccomponentsforaerospace,automotive,andindustrialapplications.Inaddition,theeffectofenvironmentalexposureonthermalpropertiesoftheadvancedceramicsmustalsobeassessed.1.1Thisguidecoversthethermalpropertytestingofadvancedceramics,toincludemonolithicceramics,particulate/whisker-reinforcedceramics,andcontinuousfiber-reinforcedceramiccomposites.Itisintendedtoprovideguidanceandinformationtousersonthespecialconsiderationsinvolvedindeterminingthethermalpropertiesoftheseceramicmaterials.1.2Fivethermalproperties(specificheatcapacity,thermalconductivity,thermaldiffusivity,thermalexpansion,andemittance/emissivity)arepresentedintermsoftheirdefinitionsandgeneraltestmethods.Therelationshipbetweenthermalpropertiesandthecomposition,microstructure,andprocessingofadvancedceramics(monolithicandcomposite)isbrieflyoutlined,providingguidanceonwhichmaterialandspecimencharacteristicshavetobeconsideredinevaluatingthethermalpropertiesofadvancedceramics.Additionalsectionsdescribesamplingconsiderations,testspecimenpreparation,andreportingrequirements.1.3CurrentASTMtestmethodsforthermalpropertiesaretabulatedintermsoftestmethodconcept,testingrange,specimenrequirements,standards/referencematerials,capabilities,limitations,precision,andspecialinstructionsformonolithicandcompositeceramics.1.4ThisguideisbasedontheuseofcurrentASTMstandardsforthermalpropertieswhereappropriateandonthedevelopmentofnewteststandardswherenecessary.Itisnottheintentofthisguidetorigidlyspecifyparticularthermaltestmethodsforadvancedceramics.GuidanceisprovidedonhowtoutilizethemostcommonlyavailableASTMthermaltestmethods,consideringtheircapabilitiesandlimitations.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandardperIEEE/ASTMSI10.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q32
【国际标准分类号】:81_060_30
【页数】:16P.;A4
【正文语种】: