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【英文标准名称】:StandardTestMethodforRadiographicExaminationofMetallicCastings
【原文标准名称】:金属铸件的X射线照相检验的标准试验方法
【标准号】:ASTME1030-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:E07.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:铸件;金相学;金属;无损检验;放射性试验;试验
【英文主题词】:castings;gamma-ray;nondestructivetesting;radiographic;radiography;X-ray
【摘要】:Therequirementsexpressedinthistestmethodareintendedtocontrolthequalityoftheradiographicimages,toproducesatisfactoryandconsistentresults,andarenotintendedforcontrollingtheacceptabilityorqualityofmaterialsorproducts.1.1Thistestmethodprovidesauniformprocedureforradiographicexaminationofmetalliccastingsusingradiographicfilmastherecordingmedium.1.2Duetothemanycomplexgeometriesandpartconfigurationsinherentwithcastproducts,itisnecessarytorecognizepotentiallimitationsassociatedwithobtainingcompleteradiographiccoverageoncastings.Radiographyofareaswheregeometryorpartconfigurationdoesnotallowachievementofcompletecoveragewithpracticalradiographicmethodsshallbesubjecttomutualagreementsbetweenpurchaserandsupplier.Theuseofalternativenondestructivemethodsforareasthatarenotconducivetopracticalradiographyshallalsobespecificallyagreeduponbetweenpurchaserandsupplier.1.3Theradiographicmethodishighlysensitivetovolumetricdiscontinuitiesthatdisplaceadetectablevolumeofcastmaterial.Discontinuitiesthatdonotdisplaceanappreciablevolumeofmaterial,however,suchascracksorotherplanar-typeindications,maynotbedetectedwithradiographyunlesstheradiationbeamiscoincidentallyalignedwiththeplanarorientationofthediscontinuity.Inviewofthislimitation,itmaybeconsideredappropriatetousetheradiographicmethodinconjunctionwithadditionalnondestructivemethodsthatmaintainreliabledetectioncapabilitiesforthesetypesofdiscontinuities.Theuseofadditionalmethodsshallbespecificallyagreeduponbetweenthepurchaserandsupplier.1.4Theradiographictechniquesstatedhereinprovideadequateassurancefordefectdetectability;however,itisrecognizedthat,forspecialapplications,specifictechniquesusingmoreorlessstringentrequirementsmayberequiredthanthosespecified.Inthesecases,theuseofalternateradiographictechniquesshallbeasagreeduponbetweenpurchaserandsupplier(alsoseeSection).1.5Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H26
【国际标准分类号】:77_140_80
【页数】:11P.;A4
【正文语种】: