ANSI/SCTE 93-2007 连接器/缆捻用试验方法
时间:2024-05-12 04:26:03 来源: 标准资料网 作者：标准资料网 阅读：9360
【英文标准名称】:TestMethodforConnector/CableTwist
【原文标准名称】:连接器/缆捻用试验方法
【标准号】:ANSI/SCTE93-2007
【标准状态】:现行
【国别】:美国
【发布日期】:
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:SCTE
【标准类型】:()
【标准水平】:()
【中文主题词】:电缆通信;同轴电缆;电缆接头;连接器;电源线;插头;相对的;测试;缆捻;加捻;波导管
【英文主题词】:Cablecommunication;Coaxialcables;Connectorcables;Connectors;Mainlines;Plug;Relative;Testing;Twist;Twisting;Waveguides
【摘要】:Thisdocumentdetailstheequipmentandproceduresrequiredtomeasuretherelativedegreeoftwistingimpartedtoacoaxialcableswheninstalledintomainlineplugconnectorsspecifically.
【中国标准分类号】:K13
【国际标准分类号】:33_120_10
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforAnalysisofMagnesiumandMagnesiumAlloysbyAtomicEmissionSpectrometry
【原文标准名称】:用原子发射光谱法分析镁和镁合金的标准试验方法
【标准号】:ASTMB954-2007
【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】:B07.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:分析;原子发射光谱法;化学分析和测试;镁;镁合金;金属;测试
【英文主题词】:atomicemissionspectrometry;magnesium;magnesiumalloys;opticalemissionspectrometry
【摘要】:Themetallurgicalpropertiesofmagnesiumanditsalloysarehighlydependantonchemicalcomposition.Preciseandaccurateanalysesareessentialtoobtainingdesiredproperties,meetingcustomerspecificationsandhelpingtoreducescrapduetooff-gradematerial.ThistestmethodisapplicabletochillcastspecimensasdefinedinPracticeB953andcanalsobeappliedtoothertypesofsamplesprovidedthatsuitablereferencematerialsareavailable.1.1Thistestmethoddescribestheanalysisofmagnesiumanditsalloysbyatomicemissionspectrometry.Themagnesiumspecimentobeanalyzedmaybeintheformofachillcastdisk,casting,sheet,plate,extrusionorsomeotherwroughtformorshape.Theelementscoveredinthescopeofthismethodarelistedinthetablebelow.Note1Theconcentrationrangesgivenintheabovescopeareestimatesbasedontwomanufacturersobservationsanddataprovidedbyasupplierofatomicemissionspectrometers.Therangeshownforeachelementdoesnotdemonstratetheactualusableanalyticalrangeforthatelement.Theusableanalyticalrangemaybeextendedhigherorlowerbasedonindividualinstrumentcapability,spectralcharacteristicsofthespecificelementwavelengthbeingusedandtheavailabilityofappropriatereferencematerials.1.2ThistestmethodissuitableprimarilyfortheanalysisofchillcastdisksasdefinedinSamplingPracticeB953.Otherformsmaybeanalyzed,providedthat:(1)theyaresufficientlymassivetopreventundueheating,(2)theyallowmachiningtoprovideaclean,flatsurfacewhichcreatesasealbetweenthespecimenandthesparkstand,and(3)referencematerialsofasimilarmetallurgicalcondition(spectrochemicalresponse)andchemicalcompositionareavailable.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificsafetyandhealthstatementsaregiveninSection10.
【中国标准分类号】:H61
【国际标准分类号】:77_040_30;77_120_20
【页数】:9P.;A4
【正文语种】:
【英文标准名称】:Aerospaceseries-NickelbasealloyNI-B40002(NiSi4B2)-Fillermetalforbrazing-Amorphousfoil
【原文标准名称】:航空航天系列.镍基合金Ni-40002.硬钎焊填充金属.非晶态箔
【标准号】:BSEN4085-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-05-15
【实施或试行日期】:2001-05-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:填充金属;箔;硬钎焊合金;有色金属合金;镍合金;飞行器部件;连接材料;非晶形状态
【英文主题词】:
【摘要】:Thisstandardspecifiestherequirementsrelatingto:NickelbasealloyNI-B40002(NiSi4B2)FillermetalforbrazingAmorphousfoilforaerospaceapplications.
【中国标准分类号】:V11
【国际标准分类号】:49_025_15
【页数】:10P;A4
【正文语种】:英语