ASTM B964-2009 采用卡尼漏斗法测定金属粉末流速的标准试验方法
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【英文标准名称】:StandardTestMethodsforFlowRateofMetalPowdersUsingtheCarneyFunnel
【原文标准名称】:采用卡尼漏斗法测定金属粉末流速的标准试验方法
【标准号】:ASTMB964-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:B09.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:CarneyHall;Hall;flowrate;metalpowderflow;powderflow;Carneyflowmeterfunnel;Flowandflowrate--metalpowders;Metalpowders;Carneyflowmeterfunnel;Flowandflowrate--metalpowders;Metalpowders
【摘要】:Therateanduniformityofdiecavityfillingarerelatedtoflowproperties,whichthusinfluenceproductionratesanduniformityofcompactedparts.Theabilityofapowdertoflowisafunctionofinterparticlefriction.Asinterparticlefrictionincreases,flowisslowed.Somepowders,oftenfinepowdersandlubricatedpowdermixtures,maynotflowthroughtheHallfunnelofTestMethodB213..Nevertheless,ifalargerorificeisprovided,suchasintheCarneyfunnel,ameaningfulflowratemaybedetermined,providingspecificinformationforcertainapplications.TestMethodB213.,usingtheHallfunnel,isthepreferredmethodfordeterminingtheflowabilityofmetalpowders.TheCarneyfunnelofthesetestmethodsshouldonlybeusedwhenapowderwillnotflowthroughtheHallfunnel.ThesetestmethodsmayalsobeusedforcomparisonofseveralpowderswhensomeflowthroughtheHallfunnelandsomedonot.Humidityandmoisturecontentinfluenceflowrate.WetormoistpowdersmaynotflowthrougheithertheHallortheCarneyfunnel.Thesetestmethodsarebasedonflowofaspecificmassofpowder.Ifflowofaspecificvolumeofpowderispreferred,TestMethodB855maybeusedforpowdersthatflowreadilythroughtheHallfunnel.Thesetestmethodsmaybepartofthepurchaseagreementbetweenpowdersuppliersandpowdermetallurgy(PM)partproducers,oritcanbeaninternalqualitycontroltestbyeitherthesupplierortheenduser.1.1Thesetestmethodscoverthedeterminationofaflowrate,byuseoftheCarneyfunnel,ofmetalpowdersandpowdermixturesthatdonotreadilyflowthroughtheHallfunnelofTestMethodB213.nbsp;nbsp;nbsp;1.2Thisisanon-destructivequantitativetestperformedinthelaboratory.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesstatedinparenthesesareforinformationonly,convertedaccordingtoIEEE/ASTMStandardSI10.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H70
【国际标准分类号】:77_160
【页数】:3P.;A4
【正文语种】:英语
【原文标准名称】:采用卡尼漏斗法测定金属粉末流速的标准试验方法
【标准号】:ASTMB964-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:B09.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:CarneyHall;Hall;flowrate;metalpowderflow;powderflow;Carneyflowmeterfunnel;Flowandflowrate--metalpowders;Metalpowders;Carneyflowmeterfunnel;Flowandflowrate--metalpowders;Metalpowders
【摘要】:Therateanduniformityofdiecavityfillingarerelatedtoflowproperties,whichthusinfluenceproductionratesanduniformityofcompactedparts.Theabilityofapowdertoflowisafunctionofinterparticlefriction.Asinterparticlefrictionincreases,flowisslowed.Somepowders,oftenfinepowdersandlubricatedpowdermixtures,maynotflowthroughtheHallfunnelofTestMethodB213..Nevertheless,ifalargerorificeisprovided,suchasintheCarneyfunnel,ameaningfulflowratemaybedetermined,providingspecificinformationforcertainapplications.TestMethodB213.,usingtheHallfunnel,isthepreferredmethodfordeterminingtheflowabilityofmetalpowders.TheCarneyfunnelofthesetestmethodsshouldonlybeusedwhenapowderwillnotflowthroughtheHallfunnel.ThesetestmethodsmayalsobeusedforcomparisonofseveralpowderswhensomeflowthroughtheHallfunnelandsomedonot.Humidityandmoisturecontentinfluenceflowrate.WetormoistpowdersmaynotflowthrougheithertheHallortheCarneyfunnel.Thesetestmethodsarebasedonflowofaspecificmassofpowder.Ifflowofaspecificvolumeofpowderispreferred,TestMethodB855maybeusedforpowdersthatflowreadilythroughtheHallfunnel.Thesetestmethodsmaybepartofthepurchaseagreementbetweenpowdersuppliersandpowdermetallurgy(PM)partproducers,oritcanbeaninternalqualitycontroltestbyeitherthesupplierortheenduser.1.1Thesetestmethodscoverthedeterminationofaflowrate,byuseoftheCarneyfunnel,ofmetalpowdersandpowdermixturesthatdonotreadilyflowthroughtheHallfunnelofTestMethodB213.nbsp;nbsp;nbsp;1.2Thisisanon-destructivequantitativetestperformedinthelaboratory.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesstatedinparenthesesareforinformationonly,convertedaccordingtoIEEE/ASTMStandardSI10.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H70
【国际标准分类号】:77_160
【页数】:3P.;A4
【正文语种】:英语
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