DIN EN ISO 10673-2009 螺钉和垫圈组件用平垫圈.小,正常和大型系列.A级产品(ISO10673:2009),德文版本ENISO10673:2009
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来源:标准资料网
【英文标准名称】:Plainwashersforscrewandwasherassemblies-Small,normalandlargeseries-ProductgradeA(ISO10673:2009);EnglishversionofDINENISO10673:2009-10
【原文标准名称】:螺钉和垫圈组件用平垫圈.小,正常和大型系列.A级产品(ISO10673:2009),德文版本ENISO10673:2009
【标准号】:DINENISO10673-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-10
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Acceptancespecification;Classification;Deliveryconditions;Designations;Dimensions;Fasteners;Lockingandlocatingdevices;Lockingdevices;Metric;Mountingmaterials;Properties;Screwlockingdevices;Screw-and-washerassemblies;Screws(bolts);Shallow;Specification(approval);Steels;Washers
【摘要】:TheInternationalStandardspecifiesthecharacteristicsofplainsteelwashers,small,normalandlargeseries.ofproductgradeAformetricscrewandwasherassembliesinaccordancewithIS~10644.NOTE1TheproductcanbemanufacturedundertheconditionsdefinedinClause5.NOTE2Themanufacturingofscrewandwasherassembliestakesintoconsiderationmaterialandproductionprocedureofscrewandplainwasheraswellastheassemblyprocessofcomponents,inordertomeetspecificationrequirements.
【中国标准分类号】:J13
【国际标准分类号】:21_060_30
【页数】:12P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDynamicYoung''sModulus,ShearModulus,andPoisson''sRatiobySonicResonance
【原文标准名称】:利用回声共振测试动态杨氏模量、剪切模数和泊松比的标准试验方法
【标准号】:ASTME1875-2008
【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】:E28.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:dynamic;elasticmodulus;elasticproperties;Poisson'sratio;resonance;resonantbeam;shearmodulus;Young'smodulus;DynamicYoung'smodulus;Modulusofelasticity;Poisson'sratio;Shearmodulus;Sonicresonance;Young'smodulus
【摘要】:Thistestmethodhasadvantagesincertainrespectsovertheuseofstaticloadingsystemsformeasuringmoduli.Thistestmethodisnondestructiveinnature.Onlyminutestressesareappliedtothespecimen,thusminimizingthepossibilityoffracture.Theperiodoftimeduringwhichmeasurementstressisappliedandremovedisoftheorderofhundredsofmicroseconds.Withthistestmethoditisfeasibletoperformmeasurementsathightemperatures,wheredelayedelasticandcreepeffectswouldinvalidatemodulusmeasurementscalculatedfromstaticloading.Thistestmethodissuitablefordetectingwhetheramaterialmeetsspecifications,ifcognizanceisgiventooneimportantfactinmaterialsareoftensensitivetothermalhistory.Therefore,thethermalhistoryofatestspecimenmustbeconsideredincomparingexperimentalvaluesofmodulitoreferenceorstandardvalues.Specimendescriptionsshouldincludeanyspecificthermaltreatmentsthatthespecimenshavereceived.1.1Thistestmethodcoversthedeterminationofthedynamicelasticpropertiesofelasticmaterials.Specimensofthesematerialspossessspecificmechanicalresonantfrequenciesthataredeterminedbytheelasticmodulus,mass,andgeometryofthetestspecimen.Therefore,thedynamicelasticpropertiesofamaterialcanbecomputedifthegeometry,mass,andmechanicalresonantfrequenciesofasuitabletestspecimenofthatmaterialcanbemeasured.DynamicYoung''smodulusisdeterminedusingtheresonantfrequencyintheflexuralmodeofvibration.Thedynamicshearmodulus,ormodulusofrigidity,isfoundusingtorsionalresonantvibrations.DynamicYoung''smodulusanddynamicshearmodulusareusedtocomputePoisson''sratio.1.2Thistestmethodisspecificallyappropriateformaterialsthatareelastic,homogeneous,andisotropic(1).Materialsofacompositecharacter(particulate,whisker,orfiberreinforced)maybetestedbythistestmethodwiththeunderstandingthatthecharacter(volumefraction,size,morphology,distribution,orientation,elasticproperties,andinterfacialbonding)ofthereinforcementinthetestspecimenwillhaveadirecteffectontheelasticproperties.Thesereinforcementeffectsmustbeconsideredininterpretingthetestresultsforcomposites.Thistestmethodisnotsatisfactoryforspecimensthathavecracksorvoidsthataremajordiscontinuitiesinthespecimen.Neitheristhetestmethodsatisfactorywhenthesematerialscannotbefabricatedinauniformrectangularorcircularcrosssection.1.3Ahigh-temperaturefurnaceandcryogeniccabinetaredescribedformeasuringthedynamicelasticmoduliasafunctionoftemperaturefromx2013;195to1200x00B0;C.1.4Modificationofthistestmethodforuseinqualitycontrolispossible.Arangeofacceptableresonantfrequenciesisdeterminedforaspecimenwithaparticulargeometryandmass.Anyspecimenwithafrequencyresponsefallingoutsidethisfrequencyrangeisrejected.Theactualmodulusofeachspecimenneednotbedeterminedaslongasthelimitsoftheselectedfrequencyrangeareknowntoincludetheresonantfrequencythatthespecimenmustpossessifitsgeometryandmassarewithinspecifiedtolerances.1.5TherearematerialspecificASTMstandardsthatcoverthedeterminationofresonancefrequenciesandelasticpropertiesofspecificmaterialsbysonicresonanceorbyimpulseexcitationofvibration.TestMethodsC215,C623,C747,C848,C1198,andC1259maydifferfromthistestmethodinseveralareas(forexample;samplesize,d......
【中国标准分类号】:H23
【国际标准分类号】:81_060_20
【页数】:9P.;A4
【正文语种】:英语
【英文标准名称】:Industrialcommunicationnetworks.Fieldbusspecifications.Applicationlayerprotocolspecification.Type10elements
【原文标准名称】:工业通信网络.现场总线规范.应用层协议规范.10型元件
【标准号】:BSEN61158-6-10-2012
【标准状态】:现行
【国别】:英国
【发布日期】:2012-07-31
【实施或试行日期】:2012-07-31
【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】:应用层;应用程序;总线系统;总线(数据处理);电路网络;通信;计算机应用;计算机控制;控制;控制设备;控制系统;控制工艺学;数据总线;数据通信;数据交换;数据接口;数据传输线;数据连接系统;数据网络;数据处理;数据设备;数据传送;数据传输控制规程;定义(术语);数字的;数字数据;数字工程;电子数据处理(EDP);电子仪器;电子系统;现场总线;制导系统;工业的;工业设施;信息交换;信息处理;信息技术;接口(数据处理);开放系统互连;操作技术;开放系统互连(OSI);过程控制工程;协议规范;协议;服务设施;规范;规范(验收);传输媒质;传输协议
【英文主题词】:Applicationlayer;Applications;Bussystems;Buses(dataprocessing);Circuitnetworks;Communication;Computerapplications;Computerizedcontrol;Control;Controlequipment;Controlsystems;Controltechnology;Databus;Datacommunication;Dataexchange;Datainterface;Dataline;Datalinksystem;Datanetwork;Dataprocessing;Dataservices;Datatransfer;Datatransmissioncontrolprocedures;Definitions;Digital;Digitaldata;Digitalengineering;EDP;Electronicinstruments;Electronicsystems;Fieldbus;Guidancesystems;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces(dataprocessing);Opensystemsinterconnection;Operationaltechniques;OSI;Processcontrolengineering;Protocolspecification;Protocols;Services;Specification;Specification(approval);Transmissionmedia;Transmissionprotocol
【摘要】:
【中国标准分类号】:L78
【国际标准分类号】:35_100_70;35_160
【页数】:778P;A4
【正文语种】:英语
