BS 2TA 51-2009 钛-铝-钼-锡-硅合金锻件规范(抗拉强度1000-1200MPa)(限定等圆断面大于100mm至并包括150mm)
时间:2024-05-10 09:36:07 来源: 标准资料网 作者：标准资料网 阅读：8747
【英文标准名称】:Specificationforforgingsoftitanium-aluminium-molybdenum-tin-siliconalloy(tensilestrength1000-1200MPa)(limitingrulingsectionover100mmuptoandincluding150mm)
【原文标准名称】:钛-铝-钼-锡-硅合金锻件规范(抗拉强度1000-1200MPa)(限定等圆断面大于100mm至并包括150mm)
【标准号】:BS2TA51-2009
【标准状态】:作废
【国别】:英国
【发布日期】:2009-11-30
【实施或试行日期】:2009-11-30
【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】:航空运输工程;含铝合金;化学成分;锻件;热处理;材料的机械性能;含钼合金;有色金属合金;含硅合金;含锡合金;钛合金
【英文主题词】:Airtransportengineering;Aluminium-containingalloys;Chemicalcomposition;Forgings;Heattreatment;Mechanicalpropertiesofmaterials;Molybdenum-containingalloys;Non-ferrousalloys;Silicon-containingalloys;Tin-containingalloys;Titaniumalloys
【摘要】:Thisstandardspecifiesrequirementsfortitanium-aluminiummolybdenum-tin-siliconalloyforgingswithatensilestrengthof1000to1200MPa.
【中国标准分类号】:V11
【国际标准分类号】:49_025_30
【页数】:10P.;A4
【正文语种】:英语
【英文标准名称】:Motorcontrolcenters
【原文标准名称】:电动机控制中心
【标准号】:UL845-2005
【标准状态】:现行
【国别】:美国
【发布日期】:2005-08-31
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:母线;电路;通信链;接触轨;控制装置;控制系统;给食器;主干道;电动机;配电盘(开关设备);试验部分
【英文主题词】:Bus-bars;Circuits;Communicationchains;Conductorrails;Controldevices;Controlsystems;Feeder;Maincircuit;Motors;Switchboards(switchgear);Testsection
【摘要】:1.1Productscovered:1.1.1ThisstandardappliestomotorcontrolcenterstobeusedinaccordancewiththeU.S.NationalElectricalCode,ANSI/NFPA70,theCanadianElectricalCode,Part1,CSAC22.1,andtheMexicanElectricalInstallations(Utility),NOM-001-SEDE.1.1.2Theserequirementscovermotorcontrolcentersforuseoncircuitshavingavailableshort-circuitcurrentsnotmorethan200000Armssymmetricalor200000Adc.1.1.3Thisstandardappliestosingle-andthree-phase50and60Hzanddcmotorcontrolcentersratednotmorethan600Vacor1000Vdc.1.1.4RequirementsforfirepumpcontrollersareasprovidedinAnnexc,item11.1.2Productsnotcovered:Theserequirementsdonotcoverswitchboardsorpanelboardsintendedforthecontrolofelectriclightandpowercircuits,nordotheycoveranindividualunitforthispurpose.Suchunits,however,thatconsistofmanuallyorautomaticallyoperatedswitches,branch-circuitorservice-circuitcircuit-breakers,overcurrent-protectivedevices,orthelikemaybeusedwithinamotorcontrolcenter.1.3Equipment:1.3.1Amotorcontrolcentercancontain,butisnotlimitedto,anycombinationofequipmentsuchasthefollowing:a)full-voltagereversingornon-reversingcombinationmotorcontrolunits;b)full-voltagemultispeedcombinationmotorcontrolunits;c)reduced-voltagepart-winding,wye-deltaorauto-transformercombinationmotorcontrolunits;d)solid-stateindustrialcontrollers,suchasadjustable-speeddrives,programmablecontrollers,protectiverelays,andthelike;e)lightingordistributionpanelboards;f)feeder-tapunits;g)incoming-lineequipment,suchasmainlugs,fusibleswitch,isolationswitch,orcircuit-breaker;h)controlorlightingtransformers;i)specialequipmentassemblies;j)combinationcontactorunits.1.3.2Theforegoingequipmentcancontain,butisnotlimitedto,suchitemsaspushbuttons,selectorswitches,indicatinglights,controltransformers,controlcircuitfuses,andauxiliarydevicesincorporatedasanintegralpartoftheunits.1.4UnitsofmeasurementThefirstvaluesgivenareSI(metric)units.AlternatemeasurementsshowninparenthesesareUScustomaryunits,whichsometimesarenotstrictconversions.Thisneweditionincludesthefollowingrevisions:1.InclusionofapplicableconstructionandperformancerequirementsforcombinationmotorcontrollersfromUL508,StandardforIndustrialControlEquipment.2.RemovalofenclosureconstructionrequirementsandspraytestfromUL845andinclusionofreferencetoUL50,StandardforEnclosuresforElectricalEquipmentforenclosurerequirements.3.InclusionofselectedrequirementsandinformativeAnnexHapplicationinformationfromNEMAICS18-2001,MotorControlCenters.4.UseofmetricunitsasprimaryrequirementwithEnglishunitsinparenthesis.5.Inclusionofrequirementsforfeederandmainunits.6.Revisiontoscopetopermitdcratedmotorcontrolcentersupto100Vdc.7.InclusionofnewandrevisedrequirementswhichincreasethelevelofperformanceoraddnewmarkingrequirementscomparedtothecurrentUL845standard.8.NewrequirementsthatprovidealternateconstructionsoroptionsnotpreviouslyincludedinUL845.
【中国标准分类号】:K20
【国际标准分类号】:29_160_30
【页数】:
【正文语种】:英语
【英文标准名称】:StandardPracticeforShallowEtchPitDetectiononSiliconWafers
【原文标准名称】:探测硅片表面浅蚀坑的标准试验方法
【标准号】:ASTMF1049-2002
【标准状态】:作废
【国别】:美国
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;电子工程;硅氧烷
【英文主题词】:testing;silicones;electronicengineering
【摘要】:
【中国标准分类号】:H25
【国际标准分类号】:29_045
【页数】:4P;A4
【正文语种】:英语