【英文标准名称】:Aerospaceseries-Cableoutletaccessoriesforcircularandrectangularelectricalandopticalconnectors-Part002:Indexofproductstandards
【原文标准名称】:航空航天系列.圆形和矩形光电连接器用电缆引出端附件.产品标准索引
【标准号】:BSEN3660-002-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-11-30
【实施或试行日期】:2006-11-30
【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;航空运输;飞行器部件;圆形连接器;圆形;设计;电连接器;电插头;电气工程;外壳;光连接器;插头;矩形连接器;长方形;航天运输;规范(验收);标准;调查;终端套管;型式
【英文主题词】:Aerospacetransport;Airtransport;Aircraftcomponents;Circularconnectors;Circularshape;Design;Electricconnectors;Electricplugs;Electricalengineering;Enclosures;Opticalconnectors;Plugs;Rectangularconnectors;Rectangularshape;Spacetransport;Specification(approval);Standards;Surveys;Terminalcasings;Types
【摘要】:Thisstandardliststheproductstandards,coveredbytechnicalspecificationEN3660-001,forcableoutletaccessoriesforusewithcircularandrectangular,electricalandopticalconnectorsoftypesEN2997,EN3372,EN3645,EN3646,EN3682andEN4067onaerospaceequipment.
【中国标准分类号】:V25
【国际标准分类号】:49_060
【页数】:12P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodsforRatingandClassifyingInclusionsinSteelUsingtheScanningElectronMicroscope
【原文标准名称】:用扫描电子显微镜分级和分类铁中内含物的标准试验方法
【标准号】:ASTME2142-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:E04.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:automaticimageanalysis;complexinclusions;EDX;globularinclusions;inclusions;inclusionratings;inclusionstringers;oxides;second-phaseparticles;SEM;steel;stereology;sulfides;X-Raymicroanalysis;Automatedprocedures--metals/al
【摘要】:ThistestmethodisestablishedtocoverautomatedSEM/EDX-basedproceduresfor:RatingtheinclusioncontentofsteelsbasedonprocedureslistedinStandardsE45andE1245,withthesignificantdifferencethatthecompositionoftheindividualinclusions,asdeterminedbyX-rayanalysis,isutilizedtosortthemintochemicalclasses.Determiningthenumber,sizeandmorphologicaldistributionofinclusionsinsteelssortedbychemicalclass.Methods1and2ofthistestmethodareprimarilyintendedforratingtheinclusioncontentofsteelsdeoxidizedwithsiliconoraluminum,bothsiliconandaluminum,orvacuum-treatedsteelswithouteithersiliconoraluminumadditions.Guidelinesareprovidedtorateinclusionsinsteeltreatedwithrareearthadditionsorcalcium-bearingcompounds(13.4).Whensuchsteelsareevaluated,thetestreportshoulddescribethenatureoftheinclusionsratedaccordingtoeachinclusioncategory(A,B,C,D).Methods1and2willprovideaquantitativeratingoftheinclusioncontentinhalf-severitynumberincrementsfrom0to5foreachinclusiontypeandthickness(MethodDofTestMethodE45),andintabulatedinTable2.TestMethodE45ratingsbySEMmaydifferfromthosedeterminedfollowingE45becauseoftheuseofchemistryintheclassifications.InordertodifferentiateE45ratingsobtainedusingtheSEMfromtraditionalratingsusinglightmicroscopy,theratingsobtainedusingMethod1or2ofthisTestMethodshallbeidentifiedasE45-SEM1andE45-SEM2,respectively.Method3definesprocedurestoanalyzeandreportinclusionsbyarbitrarysizedistributionandchemicalclassifications.Itmaybemadeapplicabletoanymaterialbyappropriatechoiceoftheseclassifications.Method3determinesandreportsbasic(asusedinTestMethodE1245)stereologicalmeasurements(forexample,volumefractionofsulfidesandoxides,thenumberofsulfidesoroxidespersquaremillimeter,andsoforth).Thistestmethod,however,doesnotaddressthemeasurementofsuchparameters.E45ratingsarenotproducedinMethod3becausetheinclusionclassificationsdonotfollowthosedefinedinTestMethodE45.Thequantitativeresultsareintendedtoprovideadescriptionofthetypesandamountsofinclusionsinaheatofsteel.Thistestmethodcontainsnoguidelinesforsuchuse.TABLE2MinimumValuesforInclusionSeverityRatingLevelsforMeasurementsinMicrometers(Forexpressioninotherunits,seeTestMethodsE45,Table2)TestMethodE45RatingLimits(x03BC;mat1x00D7;orcount)SeverityABCD0.5
37.0
17.2
17.8
1
1.0
127.0
76.8
75.6
2
1.5
261.0
184.2