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【英文标准名称】:StandardGuideforMaterialSelectionandFabricationofReferenceBlocksforthePulsedLongitudinalWaveUltrasonicTestingofMetalandMetalAlloyProductionMaterial
【原文标准名称】:金属和金属合金产品材料超声脉冲纵波检测用参考试块的材料选择与制作标准指南
【标准号】:ASTME1158-2009
【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】:E07.06
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:area-amplitude;diffusionbonding;distance-amplitude;flat-bottomhole;materialselection;nondestructivetesting;referenceblock;responsecurve;ultrasonicexamination;Area-amplitudecalibrationblocks;Fabricatedmaterials;Metalsandmetal
【摘要】:Thisguideisintendedtoillustratethefabricationofultrasonicreferenceblocksthatarerepresentativeoftheproductionmaterialtobeexamined.Careinmaterialselectionandfabricationcanresultinthemanufactureofreferenceblocksthatareultrasonicallysimilartotheproductionmaterialthuseliminatingthereferenceblockasanexaminationvariable.1.1Thisguidecoversgeneralproceduresforthematerialselectionandfabricationofreferenceblocksmadeofmetalormetalalloysandintendedtobeusedfortheexaminationofthesameorsimilarproductionmaterialsbypulsedlongitudinalultrasonicwavesappliedperpendiculartothebeamentrysurface.Primaryemphasisisonsolidmaterialsbutsomeofthetechniquesdescribedmaybeusedformidwallexaminationofpipesandtubesofheavywallthickness.Near-surfaceresolutioninanymaterialdependsuponthecharacteristicsoftheinstrumentandsearchunitemployed.1.2Thisguidecoversthefabricationofreferenceblocksforusewitheithertheimmersionorthecontactmethodofultrasonicexamination.1.3Referenceblocksfabricatedinaccordancewiththisguidecanbeusedtodetermineproperultrasonicsystemoperation.Area-amplitudeanddistance-amplitudecurvescanalsobedeterminedwiththesereferenceblocks.1.4Thisguidedoesnotspecifyreferencereflectorsizesorproductrejectionlimits.Itdoesdescribetypicalindustryfabricationpracticesandcommonlyappliedtoleranceswheretheylendclaritytotheguide.Inallcasesofconflictbetweenthisguideandcustomerspecifications,thecustomerspecificationshallprevail.1.5Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.6Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H26
【国际标准分类号】:
【页数】:5P.;A4
【正文语种】:英语