ASTM-B214-16-Standard-Test-Method-for-Sieve-Analys

Designation:B214−16StandardTestMethodforSieveAnalysisofMetalPowders1ThisstandardisissuedunderthefixeddesignationB214;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thistestmethodcoversthedrysieveanalysisofmetalpowders,usingsieveswithopeningsrangingfrom45to850micrometres.1.2Thistestmethodisbasedonaparticulartypeofmechanicalsieveshaker(see5.2).Othertypesofsieveshakersarealsoavailable,buttheirprecisionandreproducibilityhavenotbeendetermined.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2B212TestMethodforApparentDensityofFree-FlowingMetalPowdersUsingtheHallFlowmeterFunnelB215PracticesforSamplingMetalPowdersB243TerminologyofPowderMetallurgyB329TestMethodforApparentDensityofMetalPowdersandCompoundsUsingtheScottVolumeterB417TestMethodforApparentDensityofNon-Free-FlowingMetalPowdersUsingtheCarneyFunnelB703TestMethodforApparentDensityofMetalPowdersandRelatedCompoundsUsingtheArnoldMeterE11SpecificationforWovenWireTestSieveClothandTestSievesE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethodE1638TerminologyRelatingtoSieves,SievingMethods,andScreeningMedia2.2MPIFStandard:MPIF05DeterminationofSieveAnalysisofMetalPow-ders33.Terminology3.1Definitions—Usefuldefinitionsoftermsrelatingtopow-dermetallurgyarefoundinB243andthoserelatingtosieveanalysisarefoundinE1638.4.SignificanceandUse4.1TheparticlesizedistributionofametalpowderaffectsitsbehaviorinP/Mprocessingandotherapplicationsofthesematerials.Thetestmethodmaybepartofthepurchaseagreementbetweenpowdersupplieranduser,oritmaybeaninternalqualitycontroltestforeither.5.Apparatus5.1Sieves—Selectasetofstandardsievesfromthetableentitled,“U.S.StandardSeriesTestSieves.”TheseshallconformtoSpecificationE11andbe203mmindiameter.InadditiontothesieveslistedinTable1,acoverandcollectionpanarealsorequired.NOTE1—The203mmdiametersieveismostcommonlyreferencedasan8in.diametersieve.8in.diametersievesdonotnestwith200mmdiametersieves.5.2SieveShaker—Amechanicallyoperated,singleeccen-tricsieveshakershallbeusedthatimpartstothesetofsievesarotarymotionandatappingactionofuniformspeed.Thenumberofrotationsperminuteshallbebetween270and300.Thenumberoftapsperminuteshallbebetween140and160.Theholddownarmofthesieveshakershallbefittedwithashockabsorbingplugtoreceivetheimpactofthetappingdevice.Theentireapparatusshallberigidlymountedbyboltingtoasolidfoundation,preferablyofconcrete.1ThistestmethodisunderthejurisdictionofASTMCommitteeB09onMetalPowdersandMetalPowderProductsandisthedirectresponsibilityofSubcom-mitteeB09.02onBaseMetalPowders.CurrenteditionapprovedApril1,2016.PublishedApril2016.Originallyapprovedin1946.Lastpreviouseditionapprovedin2015asB214–15.DOI:10.1520/B0214-16.2ForreferencedASTMstandards,visittheASTMwebsite,@astm.org.ForAnnualBookofASTMStandardsvolumeinformation,refertothestandard’sDocumentSummarypageontheASTMwebsite.3AvailablefromMetalPowderIndustriesFederation(MPIF),105CollegeRoadEast,Princeton,NJ08540,*ASummaryofChangessectionappearsattheendofthisstandardCopyright©ASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959.UnitedStates1CopyrightbyASTMInt'l(allrightsreserved);WedMay1822:13:31EDT2016Downloaded/printedbySouthChinaUniversityofTechnology(SouthChinaUniversityofTechnology)pursuanttoLicenseAgreement.Nofurtherreproductionsauthorized.NOTE2—Useofasoundproofenclosureisrecommended.5.3Balance—Abalancereadableto0.01g,withaminimumcapacityof150g,tobeusedfordeterminingthemassofthetestportionandretainedportionstothenearest0.1g.6.TestPortion6.1Thesizeofthetestportionshallbe90to110gforanymetalpowderhavinganapparentdensitygreaterthanorequalto1.50g/cm3whendeterminedinaccordancewithTestMethodB212,B329,B417,orB703.Aportionof40to60gshallbeusedwhentheapparentdensityofthepowderislessthan1.50g/cm3.ThetestportionshouldbeobtainedinaccordancewithPracticesB215.7.Procedure7.1Examinethesievestomakesurethattheyarenotdamagedandareclean.7.2Assemblethegroupofsievesselectedinconsecutiveorderbythesizeoftheiropenings,withthecoarsestsieveatthetop,theassemblybeingcompletedbyasolidcollectingpanbelowthebottomsieve.Placethetestportiononthetopsieveandclosethissievewithasolidcover.Thenfastenthesieveassemblysecurelyinthesieveshakerandoperatethemachineforaperiodof15minutes.NOTE3—Forsomematerials,forexamplebrittleandfriablematerials,the15minutesmaybetoolong.Sievingtimemaybeadjustedforsuchmaterials,andthe