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【英文标准名称】:StandardTestMethodsforTensionTestingWroughtandCastAluminum-andMagnesium-AlloyProducts
【原文标准名称】:锻造和铸造铝-镁合金产品抗拉性能的标准试验方法
【标准号】:ASTMB557-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:B07.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:elongation;strain;stress;tensilestrength;tensiletesting;yieldstrength;Yieldstrengthandyieldpoint;Aluminumalloys;Elongation--metallicmaterials;Magnesiumalloycastings;Tensileproperties/testing--metallicmaterials
【摘要】:Tensiontestsprovideinformationonthestrengthandductilityofmaterialsunderuniaxialtensilestresses.Thisinformationmaybeusefulincomparisonsofmaterials,alloydevelopment,qualitycontrol,anddesignundercertaincircumstances.Theresultsoftensiontestsofspecimensmachinedtostandardizeddimensionsfromselectedportionsofapartormaterialmaynottotallyrepresentthestrengthandductilitypropertiesoftheentireendproductoritsin-servicebehaviorindifferentenvironments.Thesetestmethodsareconsideredsatisfactoryforacceptancetestingofcommercialshipmentsandhavebeenusedextensivelyinthetradeforthispurpose.1.1Thesetestmethodscoverthetensiontestingofwroughtandcastaluminum-andmagnesium-alloyproducts,exceptingaluminumfoil,andarederivedfromTestMethodsE8,whichcoverthetensiontestingofallmetallicmaterials.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;Exceptionstotheprovisionsofthesetestmethodsmayneedtobemadeinindividualspecificationsortestmethodsforaparticularmaterial.Note28212;AcompletemetriccompaniontoTestMethodsB557hasbeendevelopedTestMethodsB557M;therefore,nometricequivalentsarepresentedinthesetestmethods.
【中国标准分类号】:H61
【国际标准分类号】:77_150_20
【页数】:15P.;A4
【正文语种】:英语


【英文标准名称】:HomeandBuildingElectronicSystems(HBES)-Part2-1:Systemoverview;architecture;GermanversionEN50090-2-1:1994
【原文标准名称】:住家和建筑物用电气系统(HBES).第2-1部分:系统综述.体系结构;德文版本EN50090-2-1:1994
【标准号】:EN50090-2-1-1994
【标准状态】:现行
【国别】:
【发布日期】:1994-11
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:建筑物服务设施;通讯系统(建筑物);定义;安全要求;参考模型;电子工程;总线;电子装置;民用电力设备;接口;基本家用设备;总线系统;电路网络;传播学;家用(安装)设备;系统总线;安全;控制;通信系统;配置;电气工程;开式系统互连;功能单元;建筑设计;建筑物;数据传送;控制系统;电子的;记录
【英文主题词】:Architecturaldesign;Basicdomesticfacilities;Buildingservices;Buildings;Bussystems;Buses(dataprocessing);Circuitnetworks;Communication;Communicationsystems;Communicationsystems(buildings);Configuration;Control;Controlsystems;Datatransfer;Definition;Definitions;Domesticelectricalinstallations;Electricalengineering;Electronic;Electronicengineering;Electronicsystems;Electronically-operateddevices;Functionalunits;Homerecorders;Houseinstallations;Interfaces(dataprocessing);Opensystemsinterconnection;Records;Referencemodel;Safety;Safetyrequirements;Systembus;Systemengineering;Topology
【摘要】:
【中国标准分类号】:Q77
【国际标准分类号】:97_120
【页数】:28P.;A4
【正文语种】:英语