ASTM E127-2007 标准铝合金块的制造及超声波检验的标准操作规程

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【英文标准名称】:StandardPracticeforFabricatingandCheckingAluminumAlloyUltrasonicStandardReferenceBlocks
【原文标准名称】:标准铝合金块的制造及超声波检验的标准操作规程
【标准号】:ASTME127-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:(Practice)
【标准水平】:()
【中文主题词】:合金;铝合金;比较;金属;无损检验;生产;测试;超声检验;超声波学
【英文主题词】:aluminumreferenceblocks;area-amplitudecalibrationblocks;distance-amplitudecalibrationblocks;nondestructivetesting;standardreferenceblocks;ultrasonicreferenceblocks;Aluminumalloyultrasonicreferenceblocks;Aluminumultrasonicreferenceblocks;Area-amplitudecalibrationblocks;Distance-amplitudecalibrationblocks;Nondestructiveevaluation(NDE);Referenceblocks;Ultrasonicreferenceblocks
【摘要】:Referenceblocksfabricatedtothispracticewillexhibitspecificarea-amplitudeanddistance-amplituderelationshipsonlywithanimmersiontestat5MHzusingthesearchunit,testinstrument,andtestparametersdescribedinthispractice.Comparisontestsatotherfrequenciesorwithuncalibratedtestsystemswillnotnecessarilygivethesamerelationshipsshowninthispractice.Note28212;The1964andpriorissuesofthispracticerequiredatestfrequencyof15MHz.Blocksconformingtoearlierissuesofthispracticemaynotproduceultrasonicresponsesthatconformtothisissue.SeeSection13regardingprovisionforrecertificationorcorrectioncurvesandtables.Althoughtheprimaryultrasonicevaluationofblocksisperformedataspecifiedfrequency,theblocksmaybeusedtostandardizeultrasonictestsatanyfrequencyandwithanypulse-echoultrasonictestsystem.Establishmentofdistance-amplitudeandarea-amplitudecharacteristicsisnecessaryforeachapplication.Thisusemaybeinappropriateforothermaterialsandcurvedsurfaceswithoutspecialcompensation.Alsosee(3)forcautionsregardinguseofstandardblocksforteststandardization.1.1Thispracticecoversaprocedureforfabricatingaluminumalloyultrasonicstandardreferenceblocksthatcanbeusedforcheckingperformanceofultrasonictestingequipmentandforstandardizationandcontrolofultrasonictestsofaluminumalloyproductsusingpulsedlongitudinalwavesintroducedintotestmaterialeitherbythedirect-contactmethodorbytheimmersionmethod.Arecommendedprocedureforcheckingblocksisdescribedandcalibrationdataforanumberofreferenceblocksaretabulated.Statementsconcerningproceduresareprovidedwithoutadiscussionofthetechnicalbackgroundforthepreference.ThenecessarytechnicalbackgroundcanbefoundinRefs.(1-16).Note18212;PracticeE428andGuideE1158alsodescribeproceduresforselectingmaterial,fabricatingblocks,andcheckingresponse.Unlikethispractice,thereisnorequirementforevaluationrelativetoaspecifiedstandardtarget.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:77_040_01;77_120_10
【页数】:15P.;A4
【正文语种】:


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【英文标准名称】:MethodsofTestingtoDetermineFlowResistanceofHVACAirDuctsandFittings
【原文标准名称】:测定HVAC通气道及接头的气流阻力的试验方法
【标准号】:ANSI/ASHRAE120-1999
【标准状态】:作废
【国别】:美国
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ASHRAE
【标准类型】:()
【标准水平】:()
【中文主题词】:通气道;试验方法;热环境系统
【英文主题词】:Airducts;Testmethods;Thermalenvironmentsystems
【摘要】:DeterminesthechangeintotalpressureresultingfromairflowinHVACductsandfittings.Testresultscanbeusedtodetermineductflowlossesinpressurelossperunitlength.Fittinglossesarereportedaslocallosscoefficients.
【中国标准分类号】:P48
【国际标准分类号】:91_140_30
【页数】:
【正文语种】:英语


Product Code:SAE AMS5362
Title:Steel, Corrosion and Heat Resistant, Investment Castings, 19Cr - 12Ni - 1.0Cb (Nb), Solution Heat Treated
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion and heat resistant steel in the form of investment castings.These castings have been used typically for structural parts, where welding during fabrication may be required, for use up to 1500 °F (816 °C), but usage is not limited to such applications.