JJG(石油) 31-1994 一体化温度变送器检定规程
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基本信息
| 标准名称： | 一体化温度变送器检定规程 |
| 英文名称： | Verification regulation of Integrated Temperature Transmitter |
| 发布部门： | 中国石油天然气总公司 |
| 发布日期： | |
| 实施日期： | |
| 首发日期： | |
| 作废日期： | 2010-08-20 |
| 归口单位： | 石油工业计量专业标准化技术委员会 |
| 起草单位： | 中国石油天然气总公司计量测试研究所 |
| 起草人： | 李秀荣 |
| 出版日期： | |
| 页数： | 24页 |
适用范围
本规程适用于新制造、使用中、修理后的二线制一体化温度变送器的检定。
前言
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目录
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引用标准
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所属分类： 化工 化工机械与设备 化工机械
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【英文标准名称】:StandardTestMethodforFlexuralStrengthofAdvancedCeramicswithEngineeredPorosity(HoneycombCellularChannels)atAmbientTemperatures
【原文标准名称】:环境温度下带工业孔隙(蜂窝状孔道)的高级陶瓷抗挠强度的标准试验方法
【标准号】:ASTMC1674-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:C28.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:advancedceramics;catalysts;cellularstructure;filters;flexuralstrength;four-pointflexure;honeycomb;honeycombstructurestrength;nominalbeamstrength;porosity;three-pointflexure;wallfracturestrength
【摘要】:Thistestmethodisusedtodeterminethemechanicalpropertiesinflexureofengineeredceramiccomponentswithmultiplelongitudinalhollowchannels,commonlydescribedasx201C;honeycombx201D;channelarchitectures.Thecomponentsgenerallyhave30%ormoreporosityandthecross-sectionaldimensionsofthehoneycombchannelsareontheorderof1millimeterorgreater.Theexperimentaldataandcalculatedstrengthvaluesfromthistestmethodareusedformaterialandstructuraldevelopment,productcharacterization,designdata,qualitycontrol,andengineering/productionspecifications.Note18212;Flexuretestingisthepreferredmethodfordeterminingthenominalx201C;tensilefracturex201D;strengthofthesecomponents,ascomparedtoacompression(crushing)test.Anominaltensilestrengthisrequired,becausethesematerialscommonlyfailintensionunderthermalgradientstresses.Atruetensiletestisdifficulttoperformonthesehoneycombspecimensbecauseofgrippingandalignmentchallenges.Themechanicalpropertiesdeterminedbythistestmethodarebothmaterialandarchitecturedependent,becausethemechanicalresponseandstrengthoftheporoustestspecimensaredeterminedbyacombinationofinherentmaterialpropertiesandmicrostructureandthearchitectureofthechannelporosity[porosityfraction/relativedensity,channelgeometry(shape,dimensions,cellwallthickness,etc.),anisotropyanduniformity,etc.]inthespecimen.Comparisonoftestdatamustconsiderbothdifferencesinmaterial/compositionpropertiesaswellasdifferencesinchannelporosityarchitecturebetweenindividualspecimensanddifferencesbetweenandwithinspecimenlots.TestMethodAisauser-definedspecimengeometrywithachoiceoffour-pointorthree-pointflexuretestinggeometries.Itisnotpossibletodefineasinglefixedspecimengeometryforflexuretestingofhoneycombs,becauseofthewiderangeofhoneycombarchitecturesandcellsizesandconsiderationsofspecimensize,cellshapes,pitch,porositysize,crushstrength,andshearstrength.Asageneralrule,theexperimenterwillhavetodefineasuitabletestspecimengeometryfortheparticularhoneycombstructureofinterest,consideringcomposition,architecture,cellsize,mechanicalproperties,andspecimenlimitationsandusingthefollowingguidelines.Detailsonspecimengeometrydefinitionaregiveninsection9.2.Four-pointflexure(TestMethodA1)isstronglypreferredandrecommendedfortestingandcharacterizationpurposes.(FromTestMethodC1161section4.5:x201C;Thethree-pointtestconfigurationexposesonlyaverysmallportionofthespecimentothemaximumstress.Therefore,three-pointflexuralstrengthsarelikelytobemuchgreaterthanfour-pointflexuralstrengths.Three-pointflexurehassomeadvantages.Itusessimplertestfixtures,itiseasiertoadapttohightemperatureandfracturetoughnesstesting,anditissometimeshelpfulinWeibullstatisticalstudies.However,four-pointflexureispreferredandrecommendedformostcharacterizationpurposes.x201D;)Thethree-pointflexuretestconfiguration(TestMethodA2)maybeusedforspecimenswhicharenotsuitablefor4-pointtesting,withtheclearunderstandingthat3-pointloadingexposesonlyaverysmallportionofthespecimentothemaximumstress,ascomparedtothemuchlargermaximumstressvolumeina4-pointloadingconfiguration.Therefore,3-pointflexuralstrengthsarelikelytobegreaterthan4-pointflexuralstrengths,basedonstatisticalflawdistributionfactors.TestMethodB(withaspecifiedspecimen......【英文标准名称】:Naturalstonetestmethods—Determinationofrealdensityandapparentdensity,andoftotalandopenporosity
【原文标准名称】:天然石料试验方法.实际和表观密度及总孔率和开孔率的测定
【标准号】:BSEN1936-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2007-01-31
【实施或试行日期】:2007-01-31
【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】:
【英文主题词】:
【摘要】:ThisEuropeanstandardspecifiesmethodsfordeterminingtherealdensity,apparentdensity,andopenandtotalporosityofnaturalstone.
【中国标准分类号】:Q21
【国际标准分类号】:73_020;91_100_15
【页数】:14P.;A4
【正文语种】:英语
【原文标准名称】:环境温度下带工业孔隙(蜂窝状孔道)的高级陶瓷抗挠强度的标准试验方法
【标准号】:ASTMC1674-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:C28.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:advancedceramics;catalysts;cellularstructure;filters;flexuralstrength;four-pointflexure;honeycomb;honeycombstructurestrength;nominalbeamstrength;porosity;three-pointflexure;wallfracturestrength
【摘要】:Thistestmethodisusedtodeterminethemechanicalpropertiesinflexureofengineeredceramiccomponentswithmultiplelongitudinalhollowchannels,commonlydescribedasx201C;honeycombx201D;channelarchitectures.Thecomponentsgenerallyhave30%ormoreporosityandthecross-sectionaldimensionsofthehoneycombchannelsareontheorderof1millimeterorgreater.Theexperimentaldataandcalculatedstrengthvaluesfromthistestmethodareusedformaterialandstructuraldevelopment,productcharacterization,designdata,qualitycontrol,andengineering/productionspecifications.Note18212;Flexuretestingisthepreferredmethodfordeterminingthenominalx201C;tensilefracturex201D;strengthofthesecomponents,ascomparedtoacompression(crushing)test.Anominaltensilestrengthisrequired,becausethesematerialscommonlyfailintensionunderthermalgradientstresses.Atruetensiletestisdifficulttoperformonthesehoneycombspecimensbecauseofgrippingandalignmentchallenges.Themechanicalpropertiesdeterminedbythistestmethodarebothmaterialandarchitecturedependent,becausethemechanicalresponseandstrengthoftheporoustestspecimensaredeterminedbyacombinationofinherentmaterialpropertiesandmicrostructureandthearchitectureofthechannelporosity[porosityfraction/relativedensity,channelgeometry(shape,dimensions,cellwallthickness,etc.),anisotropyanduniformity,etc.]inthespecimen.Comparisonoftestdatamustconsiderbothdifferencesinmaterial/compositionpropertiesaswellasdifferencesinchannelporosityarchitecturebetweenindividualspecimensanddifferencesbetweenandwithinspecimenlots.TestMethodAisauser-definedspecimengeometrywithachoiceoffour-pointorthree-pointflexuretestinggeometries.Itisnotpossibletodefineasinglefixedspecimengeometryforflexuretestingofhoneycombs,becauseofthewiderangeofhoneycombarchitecturesandcellsizesandconsiderationsofspecimensize,cellshapes,pitch,porositysize,crushstrength,andshearstrength.Asageneralrule,theexperimenterwillhavetodefineasuitabletestspecimengeometryfortheparticularhoneycombstructureofinterest,consideringcomposition,architecture,cellsize,mechanicalproperties,andspecimenlimitationsandusingthefollowingguidelines.Detailsonspecimengeometrydefinitionaregiveninsection9.2.Four-pointflexure(TestMethodA1)isstronglypreferredandrecommendedfortestingandcharacterizationpurposes.(FromTestMethodC1161section4.5:x201C;Thethree-pointtestconfigurationexposesonlyaverysmallportionofthespecimentothemaximumstress.Therefore,three-pointflexuralstrengthsarelikelytobemuchgreaterthanfour-pointflexuralstrengths.Three-pointflexurehassomeadvantages.Itusessimplertestfixtures,itiseasiertoadapttohightemperatureandfracturetoughnesstesting,anditissometimeshelpfulinWeibullstatisticalstudies.However,four-pointflexureispreferredandrecommendedformostcharacterizationpurposes.x201D;)Thethree-pointflexuretestconfiguration(TestMethodA2)maybeusedforspecimenswhicharenotsuitablefor4-pointtesting,withtheclearunderstandingthat3-pointloadingexposesonlyaverysmallportionofthespecimentothemaximumstress,ascomparedtothemuchlargermaximumstressvolumeina4-pointloadingconfiguration.Therefore,3-pointflexuralstrengthsarelikelytobegreaterthan4-pointflexuralstrengths,basedonstatisticalflawdistributionfactors.TestMethodB(withaspecifiedspecimen......【英文标准名称】:Naturalstonetestmethods—Determinationofrealdensityandapparentdensity,andoftotalandopenporosity
【原文标准名称】:天然石料试验方法.实际和表观密度及总孔率和开孔率的测定
【标准号】:BSEN1936-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2007-01-31
【实施或试行日期】:2007-01-31
【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】:
【英文主题词】:
【摘要】:ThisEuropeanstandardspecifiesmethodsfordeterminingtherealdensity,apparentdensity,andopenandtotalporosityofnaturalstone.
【中国标准分类号】:Q21
【国际标准分类号】:73_020;91_100_15
【页数】:14P.;A4
【正文语种】:英语
