【英文标准名称】:Welding-Useoftime-of-flightdiffractiontechnique(TOFD)forexaminationofwelds
【原文标准名称】:焊接.焊接检验用飞行时间衍射技术(TOFD)的使用
【标准号】:BSDDCEN/TS14751-2004
【标准状态】:作废
【国别】:英国
【发布日期】:2004-11-24
【实施或试行日期】:2004-11-24
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:超声波学;超声裂缝识别器;超声传送技术;试验;定义;飞行时间衍射;飞行时间衍射技术;试验技术;无损检验;试验设备;焊接接头;评定;测量;焊缝;焊接工程;材料试验;无损的;不均匀性;超声检验;熔焊接头;不规则性;衍射;缺陷与故障;对接焊
【英文主题词】:Buttwelding;Defects;Definition;Definitions;Diffraction;Evaluations;Fusionweldedjoints;Inhomogen;Irregularities;Materialstesting;Measurement;Non-destructive;Non-destructivetesting;Testequipment;Testtechniques;Testing;Time-of-flightdiffraction;Time-of-flightdiffractiontechnique;TOFD;Ultrasonicflawdetector;Ultrasonictesting;Ultrasonictransmissiontechnique;Ultrasonics;Weldedjoints;Weldingengineering;Welds
【摘要】:Thisdocumentspecifiestheapplicationofthetime-of-flightdiffraction(TOFD)techniqueforthesemi-,orfully-automatedultrasonictestingoffusionweldedjointsinmetallicmaterialsequaltoandabove6mmthickness.Itisprimarilyintendedforuseonfullpenetrationweldedjointsofsimplegeometryinplates,pipes,andvessels,whereboththeweldandparentmaterialarelowalloyedcarbonsteel.Wherespecifiedandappropriate,TOFDmayalsobeusedonothertypesofmaterialsthatexhibitlowultrasonicattenuation(especiallythatduetoscatter).Wherematerialdependentultrasonicparametersarespecifiedinthisdocument,theyarebasedonsteelshavingasoundvelocityof(5920±50)m/sforlongitudinalwaves,and(3255±30)m/sfortransversewaves.Thishastobetakenintoaccountwhenexaminingmaterialswithadifferentvelocity.Thisdocumentmakesreferencetothebasicpre-standardENV583-6andprovidesguidanceonthespecificcapabilitiesandlimitationsofTOFDforthedetection,location,sizingandcharacterisationofdiscontinuitiesinfusionweldedjoints.TOFDmaybeusedasastand-alonemethodorincombinationwithotherNDTmethodsortechniques,bothformanufacturinginspection(pre-service)andforin-serviceinspection.Thisdocumentspecifiesfourexaminationlevels(A,B,C,D)correspondingtoanincreasinglevelofinspectionreliability.Guidanceontheselectionofexaminationlevelsisprovided.Thisdocumentpermitsassessmentofindicationsforacceptancepurposes.Thisassessmentisbasedontheevaluationoftransmitted,reflectedanddiffractedultrasonicsignalswithinageneratedTOFDimage.Thisdocumentdoesnotincludeacceptancelevelsfordiscontinuities.
【中国标准分类号】:J33
【国际标准分类号】:25_160_40
【页数】:38P.;A4
【正文语种】:英语


【英文标准名称】:Dimensionsofsolidtiresforindustrialvehicles
【原文标准名称】:工业车辆用实心轮胎的尺寸
【标准号】:JISD6405-1990
【标准状态】:现行
【国别】:日本
【发布日期】:1990-07-01
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonLogisticsandDistributionofGoods
【标准类型】:()
【标准水平】:()
【中文主题词】:实心轮胎;尺寸;工业用货车
【英文主题词】:industrialtrucks;solidtyres;dimensions
【摘要】:この規格は,産業車両に用いるゴム製ソリッドタイヤの諸元について規定する。
【中国标准分类号】:G41
【国际标准分类号】:83_160_99
【页数】:16P;A4
【正文语种】:日语