ASTM B855-2006 用阿诺德测量计和霍尔漏斗测定金属粉末体流率的标准试验方法

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【英文标准名称】:StandardTestMethodforVolumetricFlowRateofMetalPowdersUsingArnoldMeterandHallFunnel
【原文标准名称】:用阿诺德测量计和霍尔漏斗测定金属粉末体流率的标准试验方法
【标准号】:ASTMB855-2006
【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】:B09.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:金属粉末;试验;容积流量测量
【英文主题词】:Arnold/Hallflow;interparticlefriction;metalpowders;volumetricflowrate
【摘要】:Thevolumetricflowrateisameasureoftheflowcharacteristicsofametalpowder.Measuringflowbyvolumeascomparedwithflowperunitmasseliminatesthevariableofthepowderdensity.Theabilityofapowdertoflowandpackisafunctionofinterparticlefriction.Asthesurfaceareaincreases,theamountoffrictioninapowdermassalsoincreases.Consequently,thefrictionbetweenparticlesincreases,givinglessefficientflowandpacking.Knowledgeofthevolumetricflowpermitsthenumberofpartsthatcanbemadeperhourtobeestimated.Thistestmethodmaybepartofthepurchaseagreementbetweenpowdermanufacturersandpowdermetallurgy(P/M)partproducers,oritcanbeaninternalqualitycontroltestbyeithertheproducerortheenduser.1.1Thistestmethodcoversaprocedureformeasuringtheflowcharacteristicsofagivenvolumeofpowder.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard(exceptfortheHallFlowmeterFunnel,whichisproducedininch-poundunits).Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H04
【国际标准分类号】:17_120_01
【页数】:4P.;A4
【正文语种】: