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ASTM B645-2010 铝合金线弹性平面-应变断裂韧性试验的标准实施规程

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【英文标准名称】:StandardPracticeforLinear-ElasticPlane-StrainFractureToughnessTestingofAluminumAlloys
【原文标准名称】:铝合金线弹性平面-应变断裂韧性试验的标准实施规程
【标准号】:ASTMB645-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:B07.05
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:aluminumalloys;fracturetoughness;planestrain;qualityassurance;Aluminumalloys;Compositionanalysis--metals/alloys;Cracking--metallicmaterials;Defects--metals/alloys;Fabricatedmaterials;Failureendpoint--metals/alloys;Fatigue;Fracturetes
【摘要】:Thispracticeforplane-strainfracturetoughnesstestingofaluminumalloysmaybeusedasasupplementtoTestMethodE399.Theapplicationofthispracticeisprimarilyintendedforqualityassuranceandmaterialreleaseincaseswherevalidplane-strainfracturetoughnessdatacannotbeobtainedperTestMethodE399.ItmustbeunderstoodthattheinterpretationsandguidelinesinthispracticedonotalterthevalidityrequirementsofTestMethodE399orpromotethedesignationofdatathatareinvalidaccordingtoTestMethodE399toax201C;validx201D;condition.Thispracticeisprimarilyconcernedwithcaseswhereitisnotpossibleorpracticaltoobtainvaliddata,butwherematerialreleasejudgmentsmustbemadeagainstspecifiedfracturetoughnessvalues.Whereitispossibletoobtainavalidplane-strainfracturetoughnessvaluebyreplacementtestingaccordingtoTestMethodE399,thatisthepreferredapproach.1.1Thispracticeisapplicabletothefracturetoughnesstestingofallaluminumalloys,tempers,andproducts,especiallyincaseswherethetestsarebeingmadetoestablishwhetherornotindividuallotsmeettherequirementsofspecificationsandshouldbereleasedtocustomers.1.2TestMethodE399isthebasictestmethodtobeusedforplane-strainfracturetoughnesstestingofaluminumalloys.Thepurposeofthispracticeistoprovidesupplementaryinformationforplane-strainfracturetoughnessofaluminumalloysinthreemainareas:1.2.1Specimensampling,1.2.2Specimensizeselection,and1.2.3Interpretationofinvalidtestresults.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3.1Exception8212;Certaininch-poundvaluesgiveninparenthesesareprovidedforinformationonly.1.4ThisstandardiscurrentlywrittentoaccommodateonlyC(T)specimens.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H22
【国际标准分类号】:77_120_10
【页数】:6P.;A4
【正文语种】:英语


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【英文标准名称】:Aerospaceseries.Aircraftinternalairqualitystandards,criteriaanddeterminationmethods
【原文标准名称】:航空航天系列.飞机内部空气质量规格,标准和测定方法
【标准号】:BSEN4618-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-10-31
【实施或试行日期】:2009-10-31
【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】:航空航天运输;空气;大气污染;空气质量;飞行安全;送风;空中运输;航空运输;航空运输工程;航空器;飞机座舱;小室;准则;危险物质;定义(术语);测量;测量技术;微生物;颗粒空气污染物;客机;个人保健;污染物气体;密封驾驶室;质量;质量保证;测试条件;温度致适
【英文主题词】:Aerospacetransport;Air;Airpollution;Airquality;Airsafety;Airsupply;Airtraffic;Airtransport;Airtransportengineering;Aircraft;Aircraftcabins;Cabins;Criterion;Dangerousmaterials;Definitions;Measurement;Measuringtechniques;Micro-organisms;Particulateairpollutants;Passengeraircraft;Personalhealth;Pollutantgases;Pressurizedcabins;Quality;Qualityassurance;Testingconditions;Thermalcomfort
【摘要】:Thisstandardspecifiesrequirementsanddeterminationmethodsfornewlycertificatedcommercialpassengeraircraftprogrammes.Thisstandardappliestonewlycertificatedcommercialpassengeraircraftprogrammes.Itmayalsoapplytocurrentproductionaircraftifitdoesnotcarrysignificantpenalties,i.e.ifitcanbeshowntobetechnicallyfeasibleandeconomicallyjustifiable.Thisstandardcoverstheperiodfromfirstcrewembarkationtolastcrewdisembarkation.NOTE1Duringembarkationanddisembarkation,reducedtemperaturesinthecabinmaybedesirableduetoincreasedmetabolicactivityoftheoccupants.Insomegroundcases,theaircraftenvironmentalcontrolsystem(ECS)maynotbeabletocompensatefortheexternalconditionsinfluencingthecabincomfortconditions,suchasopendoors,extremehot/coldground/airtemperaturesorradiantheat.Inthiscase,externalair-conditioningsystems,forexampleconditionedlow-pressuregroundairorhigh-pressuresupply,maybeusedtosupplementtheaircraftECS.Ifthetemperaturerangestatedinthisstandardisregularlyexceeded(eitheraboveorbelowthestatedrange),changestoairlineand/orairportproceduresand/oraircraftdesignshouldbeintroduced.NOTE2Duringgroundoperations,theexternalairqualitymayadverselyinfluencetheairqualitywithintheaircraftcabin.Contaminationproducedasaresultofservicingactivitiesorgroundoperationsvehiclesmayentertheaircraftdirectly,forexampleviaopendoors,andtheECSmaynotbeabletoeffectivelycontrolcontaminantlevelsinthecabin.Airlineandairportoperationalproceduresshouldbeorganisedsoastoavoiddirectcontaminationofthecabinfromthesepollutantsources.Ifthecontaminantrangesstatedinthisstandardareregularlyexceeded,changestoairlineand/orairportproceduresand/oraircraftdesignshouldbeintroduced.Outsideairqualitylevelswouldusuallyberegulatedbynationalauthorities.Thepopulationunderconsideration–passengersandcrew–excludesindividualswithpre-existinginfirmityorillhealthconditions.Allvaluesgiveninthisdocumentaresea-levelequivalent(seeClause4).AccordingtotheAirQualityGuidelinesWHO1999,paragraph2.2.3,‘Forgaseouspollutants,noincreaseineffectsoverthoseexperiencedatsealevelwouldbeexpectedasaresultoftheincreaseoftheinhalation,asthepartialpressuresofthepollutantgaseswillfallinlinewiththatofoxygen.’Thelimitconcentrationsatflightaltitudecanthereforebedefinedusingpressureratios.AnnexAprovidestheformulaforcalculatingallowableconcentrationsatflightaltitude.Therearemanypotentialsourcesofcontamination,whichcouldaffecttheaircraftcabinenvironment.Itwouldbeimpracticaltosetlimitsforallthechemicalconstituentsofthesesources.Thepresenceofmarkercompoundsinconcentrationsthatexceedthecabinairqualitycomfort,healthorsafetylimitssetinthestandardmayindicatethatmaintenance,proceduraloroperationalchangeordesignchangeisrequiredtobringtheairqualitybackwithinthelimitssetinthisstandard.Severalsourceshavebeenconsideredtoidentifycontaminantsproducedduringnormaloperation.Thepossiblesourceshavebeenanalysedtoidentifywhichchemicalgroupingsarerelatedtoeachone.Atleastonecompoundfromeachgroupingidentifiedforeachpotentialsourcehasbeenchosenasrepresentativeofthatsource.
【中国标准分类号】:V44
【国际标准分类号】:49_095
【页数】:40P.;A4
【正文语种】:英语


【英文标准名称】:Industrialautomationsystemsandintegration-Productdatarepresentationandexchange-Part212:Applicationprotocol:Electrotechnicaldesignandinstallation
【原文标准名称】:工业自动化系统和集成产品数据表示和交换第212部分：应用协议：电工设计和安装
【标准号】:ISO10303-212-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-03-01
【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/TC184
【标准类型】:()
【标准水平】:()
【中文主题词】:处理;传输协议;数据表示;使用;电子工程;自动化;电气工程;定义
【英文主题词】:Applications;Automation;Automationsystems;Commissioning;Datarepresentation;Definition;Definitions;Delivery;Design;Draft;Electricalengineering;Electronicengineering;Installations;Mechanicalengineering;Processing;Transmissionprotocol;Wastedisposal
【摘要】:ThispartofISO10303specifiestheuseoftheintegratedresourcesnecessaryforthescopeofandinformationrequirementsforthedesign,installation,andcommissioningofelectrotechnicalsystems.ThisApplicationprotocoldoesnotimposeanyrestrictionontheusageofthesesystems.Equipmentforpower-transmission,-distribution,and-grneration,eletricalmachinery,electriclight,electricheat,controlandautomationsystrmsisinscope.
【中国标准分类号】:L56
【国际标准分类号】:35_240_50
【页数】:2828P.;A4
【正文语种】:英语