ASTM B213-2003 金属粉末流速的标准试验方法

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【英文标准名称】:StandardTestMethodforFlowRateofMetalPowders
【原文标准名称】:金属粉末流速的标准试验方法
【标准号】:ASTMB213-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:金属的;金属;金属粉末;流速;试验
【英文主题词】:flowrate;metalpowderflow;powderflow
【摘要】:Therateanduniformityofdiecavityfillingarerelatedtoflowproperties,whichthusinfluenceproductionratesanduniformityofcompactedparts.Theabilityofapowdertoflowisafunctionofinterparticlefriction.Asinterparticlefrictionincreases,flowisslowed.Finepowdersmaynotflow.Humidityandmoisturecontentinfluenceflowrate.Wetormoistpowdersmaynotflow.Thistestmethodmaybepartofthepurchaseagreementbetweenpowdermanufacturersandpowdermetallurgy(P/M)partproducers,oritcanbeaninternalqualitycontroltestbyeithertheproducerortheenduser.1.1Thistestmethodcoversthedeterminationoftheflowrateofmetalpowdersandissuitableonlyforthosepowdersthatwillflowunaidedthroughthespecifiedapparatus.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard(exceptfortheflowmeterfunnel,whichisfabricatedininch-poundunits).Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H71
【国际标准分类号】:77_160
【页数】:3P.;A4
【正文语种】: