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IEC 61076-2-1998 直流低频模拟及数字高速数据应用系统用连接器第2部分:有质量评定的圆形连接器分规范

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【英文标准名称】:Connectorsforuseind.c.,low-frequencyanalogueanddigitalhighspeeddataapplications-Part2:Circularconnectorswithassessedquality-Sectionalspecification
【原文标准名称】:直流低频模拟及数字高速数据应用系统用连接器第2部分:有质量评定的圆形连接器分规范
【标准号】:IEC61076-2-1998
【标准状态】:作废
【国别】:国际
【发布日期】:1998-12
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC48B
【标准类型】:()
【标准水平】:()
【中文主题词】:电插头;数字信号;模拟信号;插接件连接;圆形连接器;分规范;低频工程;规范;直流电压
【英文主题词】:Analoguesignals;Applications;Circularconnectors;Connectorelements;Connectoredjoints;Datacommunication;Datarates;Designcertifications;Detailspecification;Digitalengineering;Digitalsignals;Dimensions;Directvoltage;Electricconnectors;Electricplugs;Electricalappliances;Electricalengineering;Electronicinstruments;Highspeed;Lowfrequencies;Low-frequencyengineering;Properties;Qualificationtests;Qualityassessment;Qualityassurance;Sectionalspecification;Specification;Specification(approval);Testing;Testingrequirements
【摘要】:ThispartofIEC61076establishesuniformspecifications,typetestingrequirementsandqualityassessmentproceduresforcircularconnectors.Itcontainsachoiceofalltestmethodsandsequences,severitiesandpreferredvaluesfordimensionsandcharacteristics.Itgivesguidanceontherulesforthepreparationofdetailspecificationsforcircularconnectorsofassessedquality,usedinelectronicandelectricalequipmentandsystems.ItshouldbeusedinconjunctionwiththegenericspecificationIEC61076-1andwiththerelevantdetailspecification.Intheeventofconflictbetweenthesectionalspecificationandthedetailspecification,therequirementsofthedetailspecificationshallprevail.
【中国标准分类号】:L23
【国际标准分类号】:31_220_10
【页数】:51P.;A4
【正文语种】:英语


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Product Code:SAE AMS5382
Title:Cobalt Alloy, Corrosion and Heat-Resistant, Investment Castings, 54Co - 25.5Cr - 10.5Ni - 7.5A, As-Cast
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion and heat-resistant cobalt alloy in the form of investment castings.【英文标准名称】:Plastics-Determinationofdynamicmechanicalproperties-Part10:Complexshearviscosityusingaparallel-plateoscillatoryrheometer
【原文标准名称】:塑料动态机械性能的测定第10部分:使用平板振荡流变仪测定复合剪切粘度
【标准号】:ISO6721-10-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-12
【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/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:机械性能;测定;试验;定义;高聚物熔化;高聚物;塑料;振荡器;流变测定法;粘度测量;剪切模量;动态试验
【英文主题词】:Definition;Definitions;Determination;Dynamictesting;Mechanicalproperties;Oscillators;Plastics;Polymermelt;Polymers;Rheometry;Shearmodulus;Testing;Viscositymeasurement
【摘要】:ThispartofISO6721specifiesthegeneralprinciplesofamethodfordeterminingthedynamicrheologicalpropertiesofpolymermeltsatangularfrequenciestypicallyintherange0,01rad·sto100rad·sbymeansofanoscillatoryrheometerwithaparallel-plategeometry.Angularfrequenciesoutsidethisrangecanalsobeused(seenote1).Themethodisusedtodeterminevaluesofthefollowingdynamicrheologicalproperties:complexshearviscosityη,dynamicshearviscosityη',theout-of-phasecomponentofthecomplexshearviscosityη",complexshearmodulusG,shearlossmodulusG"andshearstoragemodulusG'.Itissuitableformeasuringcomplexshearviscosityvaluestypicallyuptoapproximately10MPa·s(seenote2).NOTE1Theangular-frequencymeasurementrangeislimitedbythespecificationofthemeasuringinstrumentandalsobytheresponseofthespecimen.Whentestingusingangularfrequencieslowerthan0,1rad·sthetesttimecanincreasesignificantlyasthetimetakentoobtainasinglemeasurementisproportionaltothereciprocaloftheangularfrequency.Consequently,whentestingatlowangularfrequenciesdegradationorpolymerizationofthespecimenismorelikelytooccurandhaveaneffectontheresults.Athighangularfrequenciesthespecimenmaydistortorfractureattheedge,consequentlyinvalidatingthetestresults.NOTE2Therangeofcomplexshearviscosityvaluesthatcanbemeasuredisdependentonthespecimendimensionsandalsothespecificationofthemeasuringinstrument.Foraspecimenofgivendimensions,theupperlimitoftherangeislimitedbythemachine'storquecapacity,angular-displacementresolutionandcompliance.However,correctioncanbemadeforcomplianceeffects.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:15P.;A4
【正文语种】:英语