NF P84-120-2000 防水用挠性薄板.屋面防水用沥青毡片.颗粒粘性的测定
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【英文标准名称】:Flexiblesheetsforwaterproofing-Bitumensheetsforroofwaterproofing-Determinationofgranulesadhesion.
【原文标准名称】:防水用挠性薄板.屋面防水用沥青毡片.颗粒粘性的测定
【标准号】:NFP84-120-2000
【标准状态】:现行
【国别】:法国
【发布日期】:2000-01-01
【实施或试行日期】:2000-01-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:损失;沥青片;沥青制品;屋面垫层;屋顶密封;质量损失;粘附;粒状物;沥青;防水板;施工材料;;;稳定性(机械性能);屋顶;沥青屋顶板;屋顶防水层板;试验;定义;测定;解释;建筑;地面水的保护
【英文主题词】:
【摘要】:
【中国标准分类号】:Q17
【国际标准分类号】:91_100_50
【页数】:11P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodforUltrasonicInspectionofAluminum-AlloyPlateforPressureVessels
【原文标准名称】:压力容器用铝合金板的超声波检验的标准试验方法
【标准号】:ASTMB548-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:B07.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:板;试验;合金;压力容器;超声波学;金属;超声检验;有色金属;铝
【英文主题词】:aluminumalloys-plate/sheet;aluminumalloys-ultrasonicinspection;pressurevessels;ultrasonictesting;ultrasonicinspectionofAl-alloyplateforpressurevessels,spec
【摘要】:Anumberoffactorssuchastheconditionoftheentryandbacksurfacesoftheplate,theinclinationoftheultrasonicbeamwithrespecttotheentrysurface,andtheperformancecharacteristicsofthetestsystemmaycauseeitherareductionofisolatedindicationsorasubstantiallossofbackreflectionandtherebycouldseriouslyimpairthereliabilityofthetestprocedureoutlinedinthisstandard.Accurateevaluationsofdiscontinuitysizealsomaybelimitedsignificantlybyvariationsinbeamcharacteristicswhichexistinmostsearchunits.Forthisreason,discontinuitysizeasdeterminedbythetestprocedureoutlinedinthismethodisregardedasx201C;apparentx201D;orx201C;estimatedx201D;inrecognitionofthelimitedquantitativevalueofthemeasurement.Becausealargenumberofinteractingvariablesinatestsystemcanadverselyinfluencetheresultsofanultrasonictest,theactualquantitativeeffectsofdetecteddiscontinuitiesuponthemechanicalpropertiesoftheinspectedplatearedifficulttoestablish.Consequently,thisultrasonicinspectionmethodisnotapplicableasanexclusiveindicatoroftheultimatequalityandperformanceofpressurevesselsbutprovidesareliablecontrolofplatequalitytoavoidfailureduringtheformingprocessforfabricationofvessels.1.1Thismethodcoverspulse-echoultrasonicinspectionofaluminum-alloyplateofthicknessequaltoorgreaterthan0.500in.(12.7mm)foruseinthefabricationofpressurevessels.Theultrasonictestisemployedtodetectgrossinternaldiscontinuitiesorientedinadirectionparalleltotherolledsurfacesuchascracks,ruptures,andlaminations,andtoprovideassurancethatonlyplatethatisfreefromrejectablediscontinuitiesisacceptedfordelivery.1.2Theinspectionmethodandacceptancecriteriaincludedinthisstandardshallbelimitedtoplateofthefollowingaluminumalloys:1060,1100,3003,Alclad3003,3004,Alclad3004,5050,5052,5083,5086,5154,5254,5454,5456,5652,6061,andAlclad6061.1.3Thismethodappliesonlytoultrasonictestsusingpulsedlongitudinalwaveswhicharetransmittedandreceivedbyasearchunitcontainingeitherasinglecrystaloracombinationofelectricallyinterconnectedmultiplecrystals.Ultrasonictestsemployingeitherthethrough-transmissionortheangle-beamtechniquesarenotincluded.1.4Thismethodshallbeusedwhenultrasonicinspectionasprescribedhereinisrequiredbythecontract,purchaseorder,orreferencedplatespecification.1.5Thevaluesstatedininch-poundunitsarethestandard.TheSIvaluesinparenthesesareforinformationonly.1.6Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyproblemsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H61
【国际标准分类号】:77_150_10
【页数】:5P.;A4
【正文语种】:
基本信息
| 标准名称： | 梳棉机盖板链条 |
| 中标分类： |
纺织 >>
纺织机械与器具 >>
纺织机械零部件 |
| 发布日期： | 1995-01-23 |
| 实施日期： | 1995-03-01 |
| 首发日期： | |
| 作废日期： | 2004-08-01 |
| 归口单位： | 无锡纺织机械研究所 |
| 起草单位： | 无锡纺织机械研究所 |
| 出版社： | 中国标准出版社 |
| 出版日期： | 2004-03-24 |
| 页数： | 8页 |
| 书号： | 155066.212387 |
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所属分类： 纺织 纺织机械与器具 纺织机械零部件
