ISO 12715-1999 超声无损检测接触式传感器光束轮廓特性的检测程序和基准块
时间:2024-05-13 16:50:48 来源: 标准资料网 作者：标准资料网 阅读：8457
【英文标准名称】:Ultrasonicnon-destructivetesting-Referenceblocksandtestproceduresforthecharacterizationofcontactsearchunitbeamprofiles
【原文标准名称】:超声无损检测接触式传感器光束轮廓特性的检测程序和基准块
【标准号】:ISO12715-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-08
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC135
【标准类型】:()
【标准水平】:()
【中文主题词】:试验设备;校准块;超声检验;特性记述;无损检验;试验;测量技术;探头;外形;参考块
【英文主题词】:Calibrationblocks;Characterisations;Measuringtechniques;Non-destructivetesting;Probe;Profile;Referenceblocks;Testequipment;Testing;Ultrasonictesting
【摘要】:ThisInternationalstandardintroducestwometalreferenceblocks,thehemi-step(HS)andtheside-drilled-hole(SDH)blocks.ThisInternationalStandardestablishesproceduresformeasuringthesoundfieldorbeamprofilesproducedbysearchunitsincontacttests.Thesearchunitsincludestraightbeam,anglebeam(refractedcompressionalandrefractedshear),focusedbeamanddualelementsearchunits.Thediameterorthesidedimensionofthesearchunitshallbenogreaterthan25mm.ThemethodologyofthisInternationalStandardprovidesguidelinesforsearchunitstobeusedfordifferentmetalsincludingforgedorrolledsteel,aluminumortitaniumalloyproducts.ThefrequencyrangeofthesearchunitsusedinthisInternationalStandardextendsfrom1MHzto15MHz,where1MHzto5MHzisbestsuitedforsteelsand5MHzto15MHzisbestforfinegrainstructuredalloyssuchasaluminumproducts.IfthisInternationalStandardistobeusedformaterialotherthansteels,usersshouldbeawareofthefactthatthewavevelocitiesinthesematerialsmaybedifferentfromthatofsteelsandtheanglebeamsearchunitsarenormallydesignedbasedonthesteelapplications.Snell'slawofrefractionisdescribedinthisInternationalStandardsothatcorrectrefractionanglesinothermaterialscanbecalculated.ThisInternationalStandardappliestoanglebeamsearchunitsofallpracticalangles(0°to70°,andtofocusedanddualelementsearchunits.ThisInternationalStandarddoesnotaddresstheuseofsurface(Rayleigh)wavesearchunits.TheproceduresinthisInternationalStandardcanbeusedinwhole,orinpart,withotherstandards.Fortestingmaterialswhichareverythickorverythin,thepresentreferenceblocksmaybemadeproportionallylargerorsmallertoaccommodatedifferentsearchunitbeamsizes.ThisInternationalStandarddoesnotaddresstheestimationofequivalentdefectsizeswhichwillrequirereferenceblockswithflat-bottom-holes.ThisInternationalStandardestablishesnoacceptancecriteria;butdoesestablishthetechnicalbasisforcriteriathatmaybedefinedbyuserparties.
【中国标准分类号】:H26
【国际标准分类号】:19_100
【页数】:24P;A4
【正文语种】:英语
【英文标准名称】:Preparationofhardcoal-Flocculantsforprocesswater-Terms,requirements,verification
【原文标准名称】:无烟煤的制备.生产用水的絮凝剂.术语、要求和验证
【标准号】:DIN23007-2005
【标准状态】:现行
【国别】:德国
【发布日期】:2005-10
【实施或试行日期】:2005-10-01
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:验收(鉴定);规范(验收);试验;定义;质量保证;辅助絮凝剂;采掘;验收检验;选煤;絮凝物;水;准备;沉淀;填充料;工业用水;选煤设备;絮凝;烟煤;检验;添加剂
【英文主题词】:
【摘要】:Thisstandardspecifiesordescribesterms,requirementsandverificationofflocculantsforprocesswater,usedinhardcoalpreparationplantsforseparationofsolidsfromwater.
【中国标准分类号】:D27
【国际标准分类号】:73_040
【页数】:21P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforPressureTestingVaporProtectiveEnsembles
【原文标准名称】:气密的全密封化工防护套服的加压试验
【标准号】:ASTMF1052-1997(2002)
【标准状态】:现行
【国别】:
【发布日期】:1997
【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】:F23.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:压力试验;化工防护套服;气密的
【英文主题词】:integrity;pressuretesting;protectiveclothing;vaporprotectiveensemble;vaporprotectivesuit
【摘要】:Workersinvolvedintheproduction,use,andtransportationofliquidandgaseouschemicalscanbeexposedtonumerouscompoundscapableofcausingharmuponcontactwiththehumanbody.Thedeleteriouseffectsofthesechemicalscanrangefromacutetraumasuchasskinirritationandburntochronicdegenerativediseasesuchascancer.Sinceengineeringcontrolsmaynoteliminateallpossibleexposures,attentionisoftenplacedonreducingthepotentialfordirectskincontactthroughtheuseofprotectiveclothingthatresistspermeation,penetration,anddegradation.Thistestmethodisonlyappropriateforchemicalprotectiveensembles,suchastotallyencapsulatingprotectivesuits,thataredesignedandmanufacturedtopreventtheinwardleakageofsolids,liquids,gases,andvapors.GarmentsdesignedtopreventthepenetrationofsolidandliquidchemicalsshouldbetestedaccordingtoTestMethodF1359.Thisnon-destructivetestmethodisusefulasaqualitycontroltoolformanufacturesandasafieldmethodforenduserstodeterminechangesingarmentintegrityfollowinguse.Thistestmethodisusefultoendusersfordeterminingtheintegrityofvaporprotectivesuitsuponreceiptfromthemanufacturer,priortouse,followinguseanddecontamination,followingrepairs,andasaperiodicmaintenancetest.1.1Thistestmethodmeasurestheabilityofavaporprotectiveensemble(VPE),includingseams,andclosurestomaintainafixed,positivepressure.1.2Thistestmethodmeasurestheintegrityofthesuit,glove,boot/bootie,andvisormaterials,aswellastheseams,andclosuresofaVPE.ExhaustvalvesfittedintheVPEmustbesealedorblockedforthistestandthereforearenotfunctionallytested.1.3Thevaluesasstatedininch-poundunitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection7.
【中国标准分类号】:C73
【国际标准分类号】:13_340_10
【页数】:4P.;A4
【正文语种】: